; File: ECOMast.txt

; This line translation based upon a consolidated version by Franz Hemmer
; <franz@hemsoft.ping.dk>
;
; Translation to standard algebraic with modifications by Paul Onstad
; <70641.3236@compuserve.com>
;
; (modifications and additions I have made are marked "*pwo" -Paul)
;
; Chess reader, ChessU4.exe, may be used to review these lines. (See the
; last paragraph--just below.)
;
; Later... I've checked out a number of conflicting Vol. C lines since
; I happen to own that volume. It's a tricky process and a very easy one
; in which to jump to an early (usually incorrect) assumption. I've tried
; to pay particular attention to ECO footnotes. I'll give the editors of ECO
; more credit than they usually receive. Franz and those preceding him have
; done a teriffic job as well.
;
; A number of Vol. E lines have also been modified and extended.
;
; If you happen to have other volumes of ECO and would wish to make further
; contributions, please feel free to share your work. Perhaps, instead of
; doing a general modification, just concentrate on one area. That would
; make it quite easy for others to copy/paste/replace one entire section
; with your revised one. If you'd care to forward me your additions or
; corrections, I'd be glad to include them and credit your work.
;
; Note: when I have included line codes (/99), I have tended to favor the
; highest numbered line of the terminal position--even though many matches
; will fall somewhat short of the position. This, I have found, makes it
; much easier to reference the line since the lowered numbered code is
; often associated with one of the "dead-end" variations. The main
; consideration then (with the higher number) is to avoid or remove any
; descriptions which would apply only to the terminal position.

; These lines can be read and checked with chess reader, ChessU4.ZIP.
; If adding a new line, check to be sure it is not already entered
; under another move sequence. This can be done by entering the new line
; at the top of the position search argument file (default, GamesU4.txt),
; then doing either a simple position search (p)--or the "step-back" (p*)
; position search against _this_ line file.


A00 Polish (Sokolsky) opening
1.b4 1/2

A00 Polish: Tuebingen variation
1.b4 Nh6 1/2

A00 Polish: Outflank variation
1.b4 c6 1/2

A00 Benko's opening
1.g3 1/2

A00 Lasker simul special
1.g3 h5 1/2

A00 Benko's opening: reversed Alekhine
1.g3 e5 2.Nf3 1/2

A00 Grob's attack
1.g4 1/2

A00 Grob: spike attack
1.g4 d5 2.Bg2 c6 3.g5 1/2

A00 Grob: Fritz gambit
1.g4 d5 2.Bg2 Bxg4 3.c4 1/2

A00 Grob: Romford counter-gambit
1.g4 d5 2.Bg2 Bxg4 3.c4 d4 1/2

A00 Clemenz (Mead's, Basman's or de Klerk's) opening
1.h3 1/2

A00 Global opening
1.h3 e5 2.a3 1/2

A00 Amar (Paris) opening
1.Nh3 1/2

A00 Amar gambit
1.Nh3 d5 2.g3 e5 3.f4 Bxh3 4.Bxh3 exf4 1/2

A00 Dunst (Sleipner, Heinrichsen) opening
1.Nc3 1/2

A00 Dunst (Sleipner,Heinrichsen) opening
1.Nc3 e5 1/2

A00 Battambang opening
1.Nc3 e5 2.a3 1/2

A00 Novosibirsk opening
1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4 1/2

A00 Anderssen's opening
1.a3 1/2

A00 Ware (Meadow Hay) opening
1.a4 1/2

A00 Crab opening
1.a4 e5 2.h4 1/2

A00 Saragossa opening
1.c3 1/2

A00 Mieses opening
1.d3 1/2

A00 Mieses opening
1.d3 e5 1/2

A00 Valencia opening
1.d3 e5 2.Nd2 1/2

A00 Venezolana opening
1.d3 c5 2.Nc3 Nc6 3.g3 1/2

A00 Van't Kruijs opening
1.e3 1/2

A00 Amsterdam attack
1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6 1/2

A00 Gedult's opening
1.f3 1/2

A00 Hammerschlag (Fried fox/Pork chop opening)
1.f3 e5 2.Kf2 1/2

A00 Anti-Borg (Desprez) opening
1.h4 1/2

A00 Durkin's attack
1.Na3 1/2

A01 Nimzovich-Larsen attack
1.b3 1/2

A01 Nimzovich-Larsen attack: modern variation
1.b3 e5 1/2

A01 Nimzovich-Larsen attack: Indian variation
1.b3 Nf6 1/2

A01 Nimzovich-Larsen attack: classical variation
1.b3 d5 1/2

A01 Nimzovich-Larsen attack: English variation
1.b3 c5 1/2

A01 Nimzovich-Larsen attack: Dutch variation
1.b3 f5 1/2

A01 Nimzovich-Larsen attack: Polish variation
1.b3 b5 1/2

A01 Nimzovich-Larsen attack: symmetrical variation
1.b3 b6 1/2

A02 Bird's opening
1.f4 1/2

A02 Bird: From gambit
1.f4 e5 1/2

A02 Bird: From gambit, Lasker variation
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 g5 1/2

A02 Bird: From gambit, Lipke variation
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 Nh6 5.d4 1/2

A02 Bird's opening, Swiss gambit
1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 1/2

A02 Bird: Hobbs gambit
1.f4 g5 1/2

A03 Bird's opening
1.f4 d5 1/2

A03 Mujannah opening
1.f4 d5 2.c4 1/2

A03 Bird's opening: Williams gambit
1.f4 d5 2.e4 1/2

A03 Bird's opening: Lasker variation
1.f4 d5 2.Nf3 Nf6 3.e3 c5 1/2

A04 Reti opening
1.Nf3 1/2

A04 Reti v Dutch
1.Nf3 f5 1/2

A04 Reti: Pirc-Lisitsin gambit
1.Nf3 f5 2.e4 1/2

A04 Reti: Lisitsin gambit deferred
1.Nf3 f5 2.d3 Nf6 3.e4 1/2

A04 Reti opening
1.Nf3 d6 1/2

A04 Reti: Wade defence
1.Nf3 d6 2.e4 Bg4 1/2

A04 Reti: Herrstroem gambit
1.Nf3 g5 1/2

A05 Reti opening
1.Nf3 Nf6 1/2

A05 Reti: King's Indian attack, Spassky's variation
1.Nf3 Nf6 2.g3 b5 1/2

A05 Reti: King's Indian attack
1.Nf3 Nf6 2.g3 g6 1/2

A05 Reti: King's Indian attack, Reti-Smyslov variation
1.Nf3 Nf6 2.g3 g6 3.b4 1/2

A06 Reti opening
1.Nf3 d5 1/2

A06 Reti: old Indian attack
1.Nf3 d5 2.d3 1/2

A06 Santasiere's folly
1.Nf3 d5 2.b4 1/2

A06 Tennison (Lemberg, Zukertort) gambit
1.Nf3 d5 2.e4 1/2

A06 Reti: Nimzovich-Larsen attack
1.Nf3 d5 2.b3 1/2

A07 Reti: King's Indian attack (Barcza system)
1.Nf3 d5 2.g3 1/2

A07 Reti: King's Indian attack, Yugoslav variation
1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bg4 1/2

A07 Reti: King's Indian attack, Keres variation
1.Nf3 d5 2.g3 Bg4 3.Bg2 Nd7 1/2

A07 Reti: King's Indian attack
1.Nf3 d5 2.g3 g6 1/2

A07 Reti: King's Indian attack, Pachman system
1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.O-O e5 5.d3 Ne7 1/2

A07 Reti: King's Indian attack (with ...c5)
1.Nf3 d5 2.g3 c5 1/2

A08 Reti: King's Indian attack
1.Nf3 d5 2.g3 c5 3.Bg2 1/2

A08 Reti: King's Indian attack ; *pwo (alt)
1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d5 5.Nbd2 Nf6 6.Bg2 Be7 7.O-O 1/2

A08/10 Reti: King's Indian attack, French variation ; *pwo
1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.O-O e6 5.d3 Nf6 6.Nbd2 Be7 7.e4 O-O
8.Re1 b5 9.e5 Nd7 10.Nf1 b4 1/2

A09 Reti opening
1.Nf3 d5 2.c4 1/2

A09 Reti: advance variation
1.Nf3 d5 2.c4 d4 1/2

A09 Reti accepted
1.Nf3 d5 2.c4 dxc4 1/2

A09 Reti accepted: Keres variation
1.Nf3 d5 2.c4 dxc4 3.e3 Be6 1/2

A10 English opening
1.c4 1/2

A10 English opening
1.c4 g6 1/2

A10 English: Adorjan defence
1.c4 g6 2.e4 e5 1/2

A10 English: Jaenisch gambit
1.c4 b5 1/2

A10 English: Anglo-Dutch defence
1.c4 f5 1/2

A11 English: Caro-Kann defensive system
1.c4 c6 1/2

A12 English: Caro-Kann defensive system
1.c4 c6 2.Nf3 d5 3.b3 1/2

A12 English: Torre defensive system
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4 1/2

A12 English: London defensive system
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 1/2

A12 English: Caro-Kann defensive system
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 1/2

A12 English: Bled variation
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6 1/2

A12 English: New York (London) defensive system
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 Bf5 1/2

A12 English: Capablanca's variation
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 Bg4 1/2

A12 English: Caro-Kann defensive system, Bogolyubov variation
1.c4 c6 2.Nf3 d5 3.b3 Bg4 1/2

A13 English opening
1.c4 e6 1/2

A13 English: Romanishin gambit
1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5 1/2

A13 English opening: Agincourt variation
1.c4 e6 2.Nf3 d5 1/2

A13 English: Wimpey system
1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3 1/2

A13 English opening: Agincourt variation
1.c4 e6 2.Nf3 d5 3.g3 1/2

A13 English: Kurajica defence
1.c4 e6 2.Nf3 d5 3.g3 c6 1/2

A13 English: Neo-Catalan
1.c4 e6 2.Nf3 d5 3.g3 Nf6 1/2

A13 English: Neo-Catalan accepted
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 1/2

A14 English: Neo-Catalan declined
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O 1/2

A14 English: Symmetrical, Keres defence
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5 6.cxd5 Nxd5 7.Nc3 Nc6 1/2

A15 English, 1...Nf6 (Anglo-Indian defence)
1.c4 Nf6 1/2

A15 English orang-utan
1.c4 Nf6 2.b4 1/2

A15 English opening
1.c4 Nf6 2.Nf3 1/2

A16 English opening
1.c4 Nf6 2.Nc3 1/2

A16 English: Anglo-Gruenfeld defence
1.c4 Nf6 2.Nc3 d5 1/2

A16 English: Anglo-Gruenfeld, Smyslov defence
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 1/2

A16 English: Anglo-Gruenfeld, Czech defence
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 1/2

A16 English: Anglo-Gruenfeld defence
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 1/2

A16 English: Anglo-Gruenfeld defence, Korchnoi variation
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5 1/2

A17 English opening
1.c4 Nf6 2.Nc3 e6 1/2

A17 English: Queens Indian formation
1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 1/2

A17 English: Queens Indian, Romanishin variation
1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.e4 Bb7 5.Bd3 1/2

A17 English: Nimzo-English opening
1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 1/2

A18 English: Mikenas-Carls variation
1.c4 Nf6 2.Nc3 e6 3.e4 1/2

A18 English: Mikenas-Carls, Flohr variation
1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 1/2

A18 English: Mikenas-Carls, Kevitz variation
1.c4 Nf6 2.Nc3 e6 3.e4 Nc6 1/2

A19 English: Mikenas-Carls, Sicilian variation
1.c4 Nf6 2.Nc3 e6 3.e4 c5 1/2

A20 English opening
1.c4 e5 1/2

A20 English, Nimzovich variation
1.c4 e5 2.Nf3 1/2

A20 English, Nimzovich, Flohr variation
1.c4 e5 2.Nf3 e4 1/2

A21 English opening
1.c4 e5 2.Nc3 1/2

A21 English, Troeger defence
1.c4 e5 2.Nc3 d6 3.g3 Be6 4.Bg2 Nc6 1/2

A21 English, Keres variation
1.c4 e5 2.Nc3 d6 3.g3 c6 1/2

A21 English opening
1.c4 e5 2.Nc3 d6 3.Nf3 1/2

A21 English, Smyslov defence
1.c4 e5 2.Nc3 d6 3.Nf3 Bg4 1/2

A21 English, Kramnik-Shirov counterattack
1.c4 e5 2.Nc3 Bb4 1/2

A22 English opening
1.c4 e5 2.Nc3 Nf6 1/2

A22 English: Bellon gambit
1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5 1/2

A22 English: Carls' Bremen system
1.c4 e5 2.Nc3 Nf6 3.g3 1/2

A22 English: Bremen, reverse dragon
1.c4 e5 2.Nc3 Nf6 3.g3 d5 1/2

A22 English: Bremen, Smyslov system
1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 1/2

A23 English: Bremen system, Keres variation
1.c4 e5 2.Nc3 Nf6 3.g3 c6 1/2

A24 English: Bremen system with ...g6
1.c4 e5 2.Nc3 Nf6 3.g3 g6 1/2

A25 English: Sicilian reversed
1.c4 e5 2.Nc3 Nc6 1/2

A25 English: closed system
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 1/2

A25 English: closed, Taimanov variation
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Nh6 1/2

A25 English: closed, Hort variation
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6 1/2

A25 English: closed, 5.Rb1
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 1/2

A25 English: closed, 5.Rb1 Taimanov variation
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 Nh6 1/2

A25 English: closed system (without ...d6)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 1/2

A26 English: closed system
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 1/2

A26 English: Botvinnik system
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 1/2

A27 English: three knights system
1.c4 e5 2.Nc3 Nc6 3.Nf3 1/2

A28 English: four knights system
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 1/2

A28 English: Nenarokov variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Bg5 h6 7.Bh4 Bxc3+
8.bxc3 Ne5 1/2

A28 English: Bradley Beach variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4 1/2

A28 English: four knights, Nimzovich variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e4 1/2

A28 English: four knights, Marini variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.a3 1/2

A28 English: four knights, Capablanca variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d3 1/2

A28 English: four knights, 4.e3
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 1/2

A28 English: four knights, Stean variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.Qf5 1/2

A28 English: four knights, Romanishin variation
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3 1/2

A29 English: four knights, kingside fianchetto ; (extnd) *pwo
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 1/2

A29/19 English: four knights, kingside fianchetto, (Farago) ; *pwo
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ne1 Bxc3
8.dxc3 h6 9.Nc2 Re8 10.Ne3 d6 1/2

A29/20 English: four knights, kingside fianchetto, 7.Ng5 ; *pwo
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ng5 Bxc3
8.bxc3 Re8 9.f3 1/2

A30 English: symmetrical variation
1.c4 c5 1/2

A30 English: symmetrical, hedgehog system
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 1/2

A30 English: symmetrical, hedgehog, flexible formation
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
9.Rd1 a6 10.b3 Nbd7 1/2

A31 English: symmetrical, Benoni formation
1.c4 c5 2.Nf3 Nf6 3.d4 1/2

A32 English: symmetrical variation
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 1/2

A33 English: symmetrical variation
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 1/2

A33 English: symmetrical, Geller variation
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6 1/2

A34 English: symmetrical variation
1.c4 c5 2.Nc3 1/2

A34 English: symmetrical, three knights system
1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 1/2

A34 English: symmetrical variation
1.c4 c5 2.Nc3 Nf6 3.g3 1/2

A34 English: symmetrical, Rubinstein system
1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 1/2

A35 English: symmetrical variation
1.c4 c5 2.Nc3 Nc6 1/2

A35 English: symmetrical, four knights system
1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 1/2

A36 English: symmetrical variation
1.c4 c5 2.Nc3 Nc6 3.g3 1/2

A36 English: ultra-symmetrical variation
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 1/2

A36 English: symmetrical, Botvinnik system reversed
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e5 1/2

A36 English: symmetrical, Botvinnik system
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 1/2

A37 English: symmetrical variation
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 1/2

A37 English: symmetrical, Botvinnik system reversed
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 1/2

A38 English: symmetrical variation
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 1/2

A38 English: symmetrical, main line with d3
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 1/2

A38 English: symmetrical, main line with b3
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.b3 1/2

A39 English: symmetrical, main line with d4
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 1/2

A40 Queen's pawn
1.d4 1/2

A40 Queen's pawn: Lundin (Kevitz-Mikenas) defence
1.d4 Nc6 1/2

A40 Queen's pawn: Charlick (Englund) gambit
1.d4 e5 1/2

A40 Queen's pawn: Englund gambit
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 f6 5.exf6 Nxf6 1/2

A40 Queen's pawn: English defence
1.d4 b6 1/2

A40 Polish defence
1.d4 b5 1/2

A40 Queen's pawn
1.d4 e6 1/2

A40 Queen's pawn: Keres defence
1.d4 e6 2.c4 b6 1/2

A40 Queen's pawn: Franco-Indian (Keres) defence
1.d4 e6 2.c4 Bb4+ 1/2

A40 Modern defence
1.d4 g6 1/2

A40 Beefeater defence
1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 Bxc3+ 5.bxc3 f5 1/2

A41 Queen's Pawn
1.d4 d6 1/2

A41 Old Indian: Tartakower (Wade) variation
1.d4 d6 2.Nf3 Bg4 1/2

A41 Old Indian defence
1.d4 d6 2.c4 1/2

A41 Modern defence
1.d4 d6 2.c4 g6 3.Nc3 Bg7 1/2

A41 Robatsch defence: Rossolimo variation
1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c4 Bg4 1/2

A42 Modern defence: Averbakh system
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 1/2

A42 Pterodactyl defence
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 c5 5.Nf3 Qa5 1/2

A42 Modern defence: Averbakh system, Randspringer variation
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 f5 1/2

A42 Modern defence: Averbakh system, Kotov variation
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nc6 1/2

A43 Old Benoni defence
1.d4 c5 1/2

A43 Old Benoni: Franco-Benoni defence
1.d4 c5 2.d5 e6 3.e4 1/2

A43 Old Benoni: Mujannah formation
1.d4 c5 2.d5 f5 1/2

A43 Old Benoni defence
1.d4 c5 2.d5 Nf6 1/2

A43 Woozle defence
1.d4 c5 2.d5 Nf6 3.Nc3 Qa5 1/2

A43 Old Benoni defence
1.d4 c5 2.d5 Nf6 3.Nf3 1/2

A43 Hawk (Habichd) defence
1.d4 c5 2.d5 Nf6 3.Nf3 c4 1/2

A43 Old Benoni defence
1.d4 c5 2.d5 d6 1/2

A43 Old Benoni: Schmid's system
1.d4 c5 2.d5 d6 3.Nc3 g6 1/2

A44 Old Benoni defence
1.d4 c5 2.d5 e5 1/2

A44 Semi-Benoni (`blockade variation')
1.d4 c5 2.d5 e5 3.e4 d6 1/2

A45 Queen's pawn game
1.d4 Nf6 1/2

A45 Queen's pawn: Bronstein gambit
1.d4 Nf6 2.g4 1/2

A45 Canard opening
1.d4 Nf6 2.f4 1/2

A45 Paleface attack
1.d4 Nf6 2.f3 1/2

A45 Blackmar-Diemer gambit
1.d4 Nf6 2.f3 d5 3.e4 1/2

A45 Gedult attack
1.d4 Nf6 2.f3 d5 3.g4 1/2

A45 Trompovsky attack (Ruth, Opovcensky opening)
1.d4 Nf6 2.Bg5 1/2

A46 Queen's pawn game 				 ; added *pwo
1.d4 Nf6 2.Nf3 e6 1/2

A46 Queen's pawn game
1.d4 Nf6 2.Nf3 1/2

A46 Queen's pawn: Torre attack
1.d4 Nf6 2.Nf3 e6 3.Bg5 1/2

A46 Queen's pawn: Torre attack, Wagner gambit
1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e4 1/2

A46 Queen's pawn: Yusupov-Rubinstein system
1.d4 Nf6 2.Nf3 e6 3.e3 1/2

A46 Queen's pawn: Lasker fianchetto 			 ; added *pwo
1.d4 Nf6 2.Nf3 e6 3.g3 1/2

A46 Queen's pawn: Andersson system 			 ; added *pwo
1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4 5.Nxd4 a6 6.O-O Qc7 7.Nb3 1/2

A46 Doery defence
1.d4 Nf6 2.Nf3 Ne4 1/2

A47 Queen's Indian defence
1.d4 Nf6 2.Nf3 b6 1/2

A47 Queen's Indian: Marienbad system
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 1/2

A47 Queen's Indian: Marienbad system, Berg variation
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4 1/2

A48 King's Indian: East Indian defence
1.d4 Nf6 2.Nf3 g6 1/2

A48 King's Indian: Torre attack
1.d4 Nf6 2.Nf3 g6 3.Bg5 1/2

A48 King's Indian: London system
1.d4 Nf6 2.Nf3 g6 3.Bf4 1/2

A49 King's Indian: fianchetto without c4
1.d4 Nf6 2.Nf3 g6 3.g3 1/2

A50 Queen's pawn game
1.d4 Nf6 2.c4 1/2

A50 Kevitz-Trajkovich defence
1.d4 Nf6 2.c4 Nc6 1/2

A50 Queen's Indian accelerated
1.d4 Nf6 2.c4 b6 1/2

A51 Budapest defence declined
1.d4 Nf6 2.c4 e5 1/2

A51 Budapest: Fajarowicz variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 1/2

A51 Budapest: Fajarowicz, Steiner variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Qc2 1/2

A52 Budapest defence
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 1/2

A52 Budapest: Adler variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Nf3 1/2

A52 Budapest: Rubinstein variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 1/2

A52 Budapest: Alekhine variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 1/2

A52 Budapest: Alekhine, Abonyi variation
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nec6 1/2

A52 Budapest: Alekhine variation, Balogh gambit
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 d6 1/2

A53 Old Indian defence
1.d4 Nf6 2.c4 d6 1/2

A53 Old Indian: Janowski variation
1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 1/2

A54 Old Indian: Ukrainian variation
1.d4 Nf6 2.c4 d6 3.Nc3 e5 1/2

A54 Old Indian: Dus-Khotimirsky variation
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.e3 Nbd7 5.Bd3 1/2

A54 Old Indian: Ukrainian variation, 4.Nf3
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 1/2

A55 Old Indian: main line
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 1/2

A56 Benoni defence
1.d4 Nf6 2.c4 c5 1/2

A56 Benoni defence, Hromodka system
1.d4 Nf6 2.c4 c5 3.d5 d6 1/2

A56 Vulture defence
1.d4 Nf6 2.c4 c5 3.d5 Ne4 1/2

A56 Czech Benoni defence
1.d4 Nf6 2.c4 c5 3.d5 e5 1/2

A56 Czech Benoni: King's Indian system
1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 1/2

A57 Benko gambit (Volga gambit) ; *pwo
1.d4 Nf6 2.c4 c5 3.d5 b5 1/2

A57 Benko gambit half accepted
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 1/2

A57 Benko gambit: Zaitsev system
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 1/2

A57 Benko gambit: Nescafe Frappe attack
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6
8.Bc4 1/2

A58 Benko gambit accepted
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 1/2

A58 Benko gambit: Nd2 variation
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.Nf3 g6
8.Nd2 1/2

A58 Benko gambit: fianchetto variation
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.Nf3 g6
8.g3 1/2

A59 Benko gambit: 7.e4
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 1/2

A59 Benko gambit: Ne2 variation
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6
9.Nge2 1/2

A59 Benko gambit
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6
9.g3 1/2

A59 Benko gambit: main line
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6
9.g3 Bg7 10.Kg2 O-O 11.Nf3 1/2

A60 Benoni defence
1.d4 Nf6 2.c4 c5 3.d5 e6 1/2

A61 Benoni defence
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 1/2

A61 Benoni: Uhlmann variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bg5 1/2

A61 Benoni: Nimzovich (knight's tour) variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 1/2

A61 Benoni: fianchetto variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 1/2

A62 Benoni: fianchetto variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7
8.Bg2 O-O 1/2

A63 Benoni: fianchetto, 9...Nbd7
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7
8.Bg2 O-O 9.O-O Nbd7 1/2

A64 Benoni: fianchetto, 11...Re8
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7
8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4 Re8 1/2

A65 Benoni: 6.e4
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 1/2

A66 Benoni: pawn storm variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 1/2

A66 Benoni: Mikenas variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7
8.e5 1/2

A67 Benoni: Taimanov variation ; (ext) *pwo
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7
8.Bb5+ Nfd7 9.a4 1/2

A68 Benoni: four pawns attack
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7
8.Nf3 O-O 1/2

A69 Benoni: four pawns attack, main line
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O
9.Be2 Re8 1/2

A70 Benoni: classical with e4 and Nf3
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 1/2

A70 Benoni: classical without 9.O-O
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 1/2

A71 Benoni: classical, 8.Bg5
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Bg5 1/2

A72 Benoni: classical without 9.O-O
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 1/2

A73 Benoni: classical, 9.O-O
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O 1/2

A74 Benoni: classical, 9...a6, 10.a4
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O a6 10.a4 1/2

A75 Benoni: classical with ...a6 and 10...Bg4
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O a6 10.a4 Bg4 1/2

A76 Benoni: classical, 9...Re8
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O Re8 1/2

A77 Benoni: classical, 9...Re8, 10.Nd2
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O Re8 10.Nd2 1/2

A78 Benoni: classical with ...Re8 and ...Na6
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 1/2

A79 Benoni: classical, 11.f3
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7
8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3 1/2

A80 Dutch
1.d4 f5 1/2

A80 Dutch, Spielmann gambit
1.d4 f5 2.Nc3 Nf6 3.g4 1/2

A80 Dutch, Manhattan (Alapin, Ulvestad) variation
1.d4 f5 2.Qd3 1/2

A80 Dutch, Von Pretzel gambit
1.d4 f5 2.Qd3 e6 3.g4 1/2

A80 Dutch, Korchnoi attack
1.d4 f5 2.h3 1/2

A80 Dutch, Krejcik gambit
1.d4 f5 2.g4 1/2

A80 Dutch, 2.Bg5 variation
1.d4 f5 2.Bg5 1/2

A81 Dutch defence
1.d4 f5 2.g3 1/2

A81 Dutch defence, Blackburne variation
1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nh3 1/2

A81 Dutch defence
1.d4 f5 2.g3 Nf6 3.Bg2 g6 1/2

A81 Dutch: Leningrad, Basman system
1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nf3 c6 5.O-O Nh6 1/2

A81 Dutch: Leningrad, Karlsbad variation
1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nh3 1/2

A82 Dutch: Staunton gambit
1.d4 f5 2.e4 1/2

A82 Dutch: Balogh defence
1.d4 f5 2.e4 d6 1/2

A82 Dutch: Staunton gambit
1.d4 f5 2.e4 fxe4 1/2

A82 Dutch: Staunton gambit, Tartakower variation
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 1/2

A83 Dutch: Staunton gambit, Staunton's line
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 1/2

A83 Dutch: Staunton gambit, Alekhine variation
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.h4 1/2

A83 Dutch: Staunton gambit, Lasker variation
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.f3 1/2

A83 Dutch: Staunton gambit, Chigorin variation
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6 1/2

A83 Dutch: Staunton gambit, Nimzovich variation
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 b6 1/2

A84 Dutch defence
1.d4 f5 2.c4 1/2

A84 Dutch defence: Bladel variation
1.d4 f5 2.c4 g6 3.Nc3 Nh6 1/2

A84 Dutch defence
1.d4 f5 2.c4 e6 1/2

A84 Dutch defence, Rubinstein variation
1.d4 f5 2.c4 e6 3.Nc3 1/2

A84 Dutch: Staunton gambit deferred
1.d4 f5 2.c4 e6 3.e4 1/2









A84 Dutch defence
1.d4 f5 2.c4 Nf6 1/2

A85 Dutch with c4 & Nc3
1.d4 f5 2.c4 Nf6 3.Nc3 1/2

A86 Dutch with c4 & g3
1.d4 f5 2.c4 Nf6 3.g3 1/2

A86 Dutch: Hort-Antoshin system
1.d4 f5 2.c4 Nf6 3.g3 d6 4.Bg2 c6 5.Nc3 Qc7 1/2

A86 Dutch: Leningrad variation
1.d4 f5 2.c4 Nf6 3.g3 g6 1/2

A87 Dutch: Leningrad, main variation
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 1/2

A88 Dutch: Leningrad, main variation with c6
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 1/2

A89 Dutch: Leningrad, main variation with Nc6
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6 1/2

A90 Dutch defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 1/2

A90 Dutch defence ; *pwo (alt)
1.d4 f5 2.c4 e6 3.g3 Nf6 4.Bg2 1/2

A90 Dutch defence: Dutch-Indian (Nimzo-Dutch) variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ 1/2

A90 Dutch-Indian, Alekhine variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ 5.Bd2 Be7 1/2

A91 Dutch defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 1/2

A92 Dutch defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 1/2

A92 Dutch defence, Alekhine variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O Ne4 1/2

A92 Dutch: stonewall variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 1/2

A92 Dutch: stonewall with Nc3
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 1/2

A93 Dutch: stonewall, Botwinnik variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 1/2

A94 Dutch: stonewall with Ba3 ; *pwo
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6
8.Ba3 Bxa3 9.Nxa3 Qe7 10.Qc1 1/2

A95 Dutch: stonewall with Nc3
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6 1/2

A95 Dutch: stonewall: Chekhover variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6 8.Qc2 Qe8
9.Bg5 1/2

A96 Dutch: classical variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 1/2

A97 Dutch: Ilyin-Genevsky variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 1/2

A97 Dutch: Ilyin-Genevsky, Winter variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8
8.Re1 1/2

A98 Dutch: Ilyin-Genevsky variation with Qc2
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8
8.Qc2 1/2

A99 Dutch: Ilyin-Genevsky variation with b3
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8
8.b3 1/2

B00 King's pawn opening
1.e4 1/2

B00 Hippopotamus defence
1.e4 Nh6 2.d4 g6 3.c4 f6 1/2

B00 Corn stalk defence
1.e4 a5 1/2

B00 Lemming defence
1.e4 Na6 1/2

B00 Fred
1.e4 f5 1/2

B00 Barnes defence
1.e4 f6 1/2

B00 Fried fox defence
1.e4 f6 2.d4 Kf7 1/2

B00 Carr's defence
1.e4 h6 1/2

B00 Reversed Grob (Borg/Basman defence/macho Grob)
1.e4 g5 1/2

B00 St. George (Baker) defence
1.e4 a6 1/2

B00 Owen defence
1.e4 b6 1/2

B00 Guatemala defence
1.e4 b6 2.d4 Ba6 1/2

B00 KP: Nimzovich defence
1.e4 Nc6 1/2

B00 KP: Nimzovich defence, Wheeler gambit
1.e4 Nc6 2.b4 Nxb4 3.c3 Nc6 4.d4 1/2

B00 KP: Nimzovich defence
1.e4 Nc6 2.Nf3 1/2

B00 KP: Colorado counter
1.e4 Nc6 2.Nf3 f5 1/2

B00 KP: Nimzovich defence
1.e4 Nc6 2.d4 1/2

B00 KP: Nimzovich defence, Marshall gambit
1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nc3 1/2

B00 KP: Nimzovich defence, Bogolyubov variation
1.e4 Nc6 2.d4 d5 3.Nc3 1/2

B00 KP: Neo-Mongoloid defence
1.e4 Nc6 2.d4 f6 1/2

B01 Scandinavian (centre counter) defence
1.e4 d5 1/2

B01 Scandinavian defence, Lasker variation
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bg4 6.h3 1/2

B01 Scandinavian defence
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5 1/2

B01 Scandinavian defence, Gruenfeld variation
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5 6.Ne5 c6 7.g4 1/2

B01 Scandinavian: Anderssen counter-attack
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 1/2

B01 Scandinavian: Anderssen counter-attack orthodox attack
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.dxe5 Bb4 6.Bd2 Nc6 7.Nf3 1/2

B01 Scandinavian: Anderssen counter-attack, Goteborg system
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3 1/2

B01 Scandinavian: Anderssen counter-attack, Collijn variation
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3 Bg4 1/2

B01 Scandinavian, Mieses-Kotrvc gambit
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4 1/2

B01 Scandinavian: Pytel-Wade variation
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 1/2

B01 Scandinavian defence
1.e4 d5 2.exd5 Nf6 1/2

B01 Scandinavian: Icelandic gambit
1.e4 d5 2.exd5 Nf6 3.c4 e6 1/2

B01 Scandinavian gambit
1.e4 d5 2.exd5 Nf6 3.c4 c6 1/2

B01 Scandinavian defence
1.e4 d5 2.exd5 Nf6 3.d4 1/2

B01 Scandinavian: Marshall variation
1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 1/2

B01 Scandinavian: Kiel variation
1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nb4 1/2

B01 Scandinavian: Richter variation
1.e4 d5 2.exd5 Nf6 3.d4 g6 1/2

B02 Alekhine's defence
1.e4 Nf6 1/2

B02 Alekhine's defence: Scandinavian variation
1.e4 Nf6 2.Nc3 d5 1/2

B02 Alekhine's defence: Spielmann variation
1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.e6 1/2

B02 Alekhine's defence: Maroczy variation
1.e4 Nf6 2.d3 1/2

B02 Alekhine's defence: Krejcik variation
1.e4 Nf6 2.Bc4 1/2

B02 Alekhine's defence: Mokele Mbembe (Buecker) variation
1.e4 Nf6 2.e5 Ne4 1/2

B02 Alekhine's defence: Brooklyn defence
1.e4 Nf6 2.e5 Ng8 1/2

B02 Alekhine's defence
1.e4 Nf6 2.e5 Nd5 1/2

B02 Alekhine's defence: Kmoch variation
1.e4 Nf6 2.e5 Nd5 3.Bc4 Nb6 4.Bb3 c5 5.d3 1/2

B02 Alekhine's defence: Saemisch attack
1.e4 Nf6 2.e5 Nd5 3.Nc3 1/2

B02 Alekhine's defence: Welling variation
1.e4 Nf6 2.e5 Nd5 3.b3 1/2

B02 Alekhine's defence
1.e4 Nf6 2.e5 Nd5 3.c4 1/2

B02 Alekhine's defence: Steiner variation
1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3 1/2

B02 Alekhine's defence: two pawns' (Lasker's) attack
1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 1/2

B02 Alekhine's defence: two pawns' attack, Mikenas variation
1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6 1/2

B03 Alekhine's defence
1.e4 Nf6 2.e5 Nd5 3.d4 1/2

B03 Alekhine's defence: O'Sullivan gambit
1.e4 Nf6 2.e5 Nd5 3.d4 b5 1/2

B03 Alekhine's defence
1.e4 Nf6 2.e5 Nd5 3.d4 d6 1/2

B03 Alekhine's defence: Balogh variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4 1/2

B03 Alekhine's defence
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 1/2

B03 Alekhine's defence: exchange variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 1/2

B03 Alekhine's defence: exchange, Karpov variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.Nf3 g6 7.Be2 Bg7 8.O-O O-O
9.h3 Nc6 10.Nc3 Bf5 11.Bf4 1/2

B03 Alekhine's defence: four pawns attack
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 1/2

B03 Alekhine's defence: four pawns attack, Korchnoi variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Bf5 7.Nc3 e6 8.Nf3 Be7
9.Be2 O-O 10.O-O f6 1/2

B03 Alekhine's defence: four pawns attack, 6...Nc6
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 1/2

B03 Alekhine's defence: four pawns attack, Ilyin-Genevsky var.
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Nf3 Bg4 8.e6 fxe6
9.c5 1/2

B03 Alekhine's defence: four pawns attack, 7.Be3
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 1/2

B03 Alekhine's defence: four pawns attack, Tartakower variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6
9.Nf3 Qd7 10.Be2 O-O-O 11.O-O Be7 1/2

B03 Alekhine's defence: four pawns attack, Planinc variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g5 1/2

B03 Alekhine's defence: four pawns attack, fianchetto variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g6 1/2

B03 Alekhine's defence: four pawns attack, Trifunovic variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 Bf5 1/2

B04 Alekhine's defence: modern variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 1/2

B04 Alekhine's defence: modern, Larsen variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5 1/2

B04 Alekhine's defence: modern, Schmid variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6 1/2

B04 Alekhine's defence: modern, fianchetto variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 1/2

B04 Alekhine's defence: modern, Keres variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.a4 1/2

B05 Alekhine's defence: modern variation, 4...Bg4
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 1/2

B05 Alekhine's defence: modern, Flohr variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6 1/2

B05 Alekhine's defence: modern, Panov variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.h3 1/2

B05 Alekhine's defence: modern, Alekhine variation
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4 1/2

B05 Alekhine's defence: modern, Vitolins attack
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4 Nb6 6.d5 1/2

B06 Robatsch (modern) defence
1.e4 g6 1/2

B06 Norwegian defence
1.e4 g6 2.d4 Nf6 3.e5 Nh5 4.g4 Ng7 1/2

B06 Robatsch (modern) defence
1.e4 g6 2.d4 Bg7 1/2

B06 Robatsch defence: three pawns attack
1.e4 g6 2.d4 Bg7 3.f4 1/2

B06 Robatsch defence
1.e4 g6 2.d4 Bg7 3.Nc3 1/2

B06 Robatsch defence: Gurgenidze variation
1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 d5 5.e5 h5 1/2

B06 Robatsch (modern) defence
1.e4 g6 2.d4 Bg7 3.Nc3 d6 1/2

B06 Robatsch defence: two knights variation
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 1/2

B06 Robatsch defence: two knights, Suttles variation
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 c6 1/2

B06 Robatsch defence: Pseudo-Austrian attack
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 1/2

B07 Pirc defence
1.e4 d6 2.d4 Nf6 3.Nc3 1/2

B07 Pirc: Ufimtsev-Pytel variation
1.e4 d6 2.d4 Nf6 3.Nc3 c6 4.Nf3 Bg4 5.Be2 e6 1/2

B07 Pirc defence
1.e4 d6 2.d4 Nf6 3.Nc3 g6 1/2

B07 Pirc: 150 attack
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2 1/2

B07 Pirc: Sveshnikov system
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 1/2

B07 Pirc: Holmov system
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4 1/2

B07 Pirc: Byrne variation
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 1/2

B07 Pirc defence
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 1/2

B07 Pirc: Chinese variation
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g4 1/2

B07 Pirc: bayonet (Mariotti) attack
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h4 1/2

B07 Robatsch defence: Geller's system
1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c3 1/2

B08 Pirc: classical (two knights) system
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 1/2

B08 Pirc: classical (two knights) system
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 1/2

B08 Pirc: classical, h3 system
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3 1/2

B08 Pirc: classical system, 5.Be2
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 1/2

B09 Pirc: Austrian attack
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 1/2

B09 Pirc: Austrian attack
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 1/2

B09 Pirc: Austrian attack, 6.e5
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5 1/2

B09 Pirc: Austrian attack, 6.Be3
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be3 1/2

B09 Pirc: Austrian attack, 6.Bd3
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 1/2

B09 Pirc: Austrian attack, dragon formation
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 1/2

B09 Pirc: Austrian attack, Ljubojevic variation
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bc4 1/2

B10 Caro-Kann defence
1.e4 c6 1/2

B10 Caro-Kann: Hillbilly attack
1.e4 c6 2.Bc4 1/2

B10 Caro-Kann: anti-Caro-Kann defence
1.e4 c6 2.c4 1/2

B10 Caro-Kann: anti-anti-Caro-Kann defence
1.e4 c6 2.c4 d5 1/2

B10 Caro-Kann: closed (Breyer) variation
1.e4 c6 2.d3 1/2

B10 Caro-Kann defence
1.e4 c6 2.Nc3 1/2

B10 Caro-Kann: Goldman (Spielmann) variation
1.e4 c6 2.Nc3 d5 3.Qf3 1/2

B10 Caro-Kann: two knights variation
1.e4 c6 2.Nc3 d5 3.Nf3 1/2

B11 Caro-Kann: two knights, 3...Bg4
1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 1/2

B12 Caro-Kann defence
1.e4 c6 2.d4 1/2

B12 de Bruycker defence
1.e4 c6 2.d4 Na6 3.Nc3 Nc7 1/2

B12 Caro-Masi defence
1.e4 c6 2.d4 Nf6 1/2

B12 Caro-Kann defence
1.e4 c6 2.d4 d5 1/2

B12 Caro-Kann: Tartakower (fantasy) variation
1.e4 c6 2.d4 d5 3.f3 1/2

B12 Caro-Kann: 3.Nd2
1.e4 c6 2.d4 d5 3.Nd2 1/2

B12 Caro-Kann: Edinburgh variation
1.e4 c6 2.d4 d5 3.Nd2 Qb6 1/2

B12 Caro-Kann: advance variation
1.e4 c6 2.d4 d5 3.e5 1/2

B12 Caro-Kann: advance, Short variation
1.e4 c6 2.d4 d5 3.e5 Bf5 4.c3 e6 5.Be2 1/2

B13 Caro-Kann: exchange variation
1.e4 c6 2.d4 d5 3.exd5 1/2

B13 Caro-Kann: exchange, Rubinstein variation
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4 1/2

B13 Caro-Kann: Panov-Botvinnik attack
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 1/2

B13 Caro-Kann: Panov-Botvinnik, Gunderam attack
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.c5 1/2

B13 Caro-Kann: Panov-Botvinnik attack
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 1/2

B13 Caro-Kann: Panov-Botvinnik, Herzog defence
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 dxc4 7.d5 Na5 1/2

B13 Caro-Kann: Panov-Botvinnik, normal variation
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 e6 1/2

B13 Caro-Kann: Panov-Botvinnik, Czerniak variation
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qa5 1/2

B13 Caro-Kann: Panov-Botvinnik, Reifir (Spielmann) variation
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qb6 1/2

B14 Caro-Kann: Panov-Botvinnik attack, 5...e6
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 1/2

B14 Caro-Kann: Panov-Botvinnik attack, 5...g6
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6 1/2

B15 Caro-Kann defence
1.e4 c6 2.d4 d5 3.Nc3 1/2

B15 Caro-Kann: Gurgenidze counter-attack
1.e4 c6 2.d4 d5 3.Nc3 b5 1/2

B15 Caro-Kann: Gurgenidze system
1.e4 c6 2.d4 d5 3.Nc3 g6 1/2

B15 Caro-Kann: Rasa-Studier gambit
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.f3 1/2

B15 Caro-Kann defence
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 1/2

B15 Caro-Kann: Alekhine gambit
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Bd3 1/2

B15 Caro-Kann: Tartakower (Nimzovich) variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 1/2

B15 Caro-Kann: Forgacs variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Bc4 1/2

B16 Caro-Kann: Bronstein-Larsen variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 1/2

B17 Caro-Kann: Steinitz variation ; (extended) *pwo
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 6.Ng5 e6 7.Qe2 Nb6 1/2

B17/13 Caro-Kann: Steinitz variation, 8.Bd3 ; (alt) *pwo
1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 6.Ng5 e6 7.Qe2 Nb6
8.Bd3 1/2

B18 Caro-Kann: classical variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 1/2

B18 Caro-Kann: classical, Flohr variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nh3 1/2

B18 Caro-Kann: classical, Maroczy attack
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.f4 1/2

B18 Caro-Kann: classical, 6.h4
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 1/2

B19 Caro-Kann: classical, 7...Nd7
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 1/2

B19 Caro-Kann: classical, Spassky variation
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7
8.h5 1/2

B20 Sicilian defence
1.e4 c5 1/2

B20 Sicilian: Gloria variation
1.e4 c5 2.c4 d6 3.Nc3 Nc6 4.g3 h5 1/2

B20 Sicilian: Steinitz variation
1.e4 c5 2.g3 1/2

B20 Sicilian: wing gambit
1.e4 c5 2.b4 1/2

B20 Sicilian: wing gambit, Santasiere variation
1.e4 c5 2.b4 cxb4 3.c4 1/2

B20 Sicilian: wing gambit, Marshall variation
1.e4 c5 2.b4 cxb4 3.a3 1/2

B20 Sicilian: wing gambit, Marienbad variation
1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Bb2 1/2

B20 Sicilian: wing gambit, Carlsbad variation
1.e4 c5 2.b4 cxb4 3.a3 bxa3 1/2

B20 Sicilian: Keres variation (2.Ne2)
1.e4 c5 2.Ne2 1/2

B20 Sicilian: Burger attack ; p
1.e4 c5 2.Bc4 1/2

B21 Sicilian: Grand Prix attack
1.e4 c5 2.f4 1/2

B21 Sicilian: Smith-Morra gambit
1.e4 c5 2.d4 1/2

B21 Sicilian: Andreaschek gambit
1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3 1/2

B21 Sicilian: Smith-Morra gambit
1.e4 c5 2.d4 cxd4 3.c3 1/2

B21 Sicilian: Smith-Morra gambit, Chicago defence
1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 7.O-O a6 8.Qe2 b5
9.Bb3 Ra7 1/2

B22 Sicilian: Alapin's variation (2.c3)
1.e4 c5 2.c3 1/2

B22 Sicilian: 2.c3, Heidenfeld variation
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Na3 1/2

B22 Sicilian: Alapin's variation (without 2.c3) ; *pwo
1.e4 c5 2.Nf3 Nc6 3.c3 1/2

B22 Sicilian: Alapin's variation (without 2.c3) ; *pwo
1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.cxd4 1/2

B22 Sicilian: Alapin's variation (without 2.c3) ; *pwo
1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 exd5 5.d4 1/2

B22 Sicilian: Alapin's variation (without 2.c3) ; *pwo
1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 1/2

B23 Sicilian: closed
1.e4 c5 2.Nc3 1/2

B23 Sicilian: closed, Korchnoi variation
1.e4 c5 2.Nc3 e6 3.g3 d5 1/2

B23 Sicilian: closed, 2...Nc6
1.e4 c5 2.Nc3 Nc6 1/2

B23 Sicilian: chameleon variation
1.e4 c5 2.Nc3 Nc6 3.Nge2 1/2

B23 Sicilian: Grand Prix attack
1.e4 c5 2.Nc3 Nc6 3.f4 1/2

B23 Sicilian: Grand Prix attack, Schofman variation
1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.f5 1/2

B24 Sicilian: closed
1.e4 c5 2.Nc3 Nc6 3.g3 1/2

B24 Sicilian: closed, Smyslov variation
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 Nd4 7.Nce2 1/2

B25 Sicilian: closed
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 1/2

B25 Sicilian: closed, 6.Ne2 e5 (Botvinnik)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5 1/2

B25 Sicilian: closed, 6.f4
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 1/2

B25 Sicilian: closed, 6.f4 e5 (Botvinnik)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 1/2

B26 Sicilian: closed, 6.Be3
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 1/2

B27 Sicilian defence
1.e4 c5 2.Nf3 1/2

B27 Sicilian: Stiletto (Althouse) variation
1.e4 c5 2.Nf3 Qa5 1/2

B27 Sicilian: Quinteros variation
1.e4 c5 2.Nf3 Qc7 1/2

B27 Sicilian: Katalimov variation
1.e4 c5 2.Nf3 b6 1/2

B27 Sicilian: Hungarian variation
1.e4 c5 2.Nf3 g6 1/2

B27 Sicilian: Acton extension
1.e4 c5 2.Nf3 g6 3.c4 Bh6 1/2

B28 Sicilian: O'Kelly variation
1.e4 c5 2.Nf3 a6 1/2

B29 Sicilian: Nimzovich-Rubinstein variation
1.e4 c5 2.Nf3 Nf6 1/2

B29 Sicilian: Nimzovich-Rubinstein; Rubinstein counter-gambit
1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6 1/2

B30 Sicilian defence
1.e4 c5 2.Nf3 Nc6 1/2

B30 Sicilian: Nimzovich-Rossolimo attack (without ...d6)
1.e4 c5 2.Nf3 Nc6 3.Bb5 1/2

B30 Sicilian: Nimzovich-Rossolimo attack, Zagrebelny variation ; *pwo
1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.Nc3 a6 6.Bxc6 Nxc6 7.d4 cxd4
8.Nxd4 Qc7 9.Nxc6 1/2

B31 Sicilian: Nimzovich-Rossolimo attack (with ...g6, without ...d6)
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 1/2

B31 Sicilian: Nimzovich-Rossolimo attack, Gurgenidze variation
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4 1/2

B32 Sicilian defence
1.e4 c5 2.Nf3 Nc6 3.d4 1/2

B32 Sicilian: Flohr variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 1/2

B32 Sicilian: Nimzovich variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 d5 1/2

B32 Sicilian: Labourdonnais-Loewenthal variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 1/2

B32 Sicilian: Labourdonnais-Loewenthal (Kalashnikov) variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 1/2

B33 Sicilian defence
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 1/2

B33 Sicilian: Pelikan (Lasker/Sveshnikov) variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 1/2

B33 Sicilian: Pelikan, Bird variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6
8.Na3 Be6 1/2

B33 Sicilian: Pelikan, Chelyabinsk variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6
8.Na3 b5 1/2

B33 Sicilian: Sveshnikov variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5
9.Bxf6 gxf6 10.Nd5 f5 1/2

B33/17 Sicilian: Sveshnikov, Kramnik centre pawn ; pwo
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5
9.Bxf6 gxf6 10.Nd5 Bg7 11.g3 f5 12.exf5 e4 1/2

B34 Sicilian: accelerated fianchetto, exchange variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6 1/2

B34 Sicilian: accelerated fianchetto, modern variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 1/2

B35 Sicilian: accelerated fianchetto, modern variation with Bc4
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 1/2

B36 Sicilian: accelerated fianchetto, Maroczy bind
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 1/2

B36 Sicilian: accelerated fianchetto, Gurgenidze variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 Nxd4
7.Qxd4 d6 1/2

B37 Sicilian: accelerated fianchetto, Maroczy bind, 5...Bg7
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 1/2

B37 Sicilian: accelerated fianchetto, Simagin variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Nc2 d6 7.Be2 Nh6 1/2

B38 Sicilian: accelerated fianchetto, Maroczy bind, 6.Be3
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 1/2

B39 Sicilian: accelerated fianchetto, Breyer variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 1/2

B40 Sicilian defence
1.e4 c5 2.Nf3 e6 1/2

B40 Sicilian defence (nascent KIA) ; *pwo (removes this seq. from A08)
1.e4 c5 2.Nf3 e6 3.d3 Nc6 1/2

B40 Sicilian: Marshall variation
1.e4 c5 2.Nf3 e6 3.d4 d5 1/2

B40 Sicilian defence
1.e4 c5 2.Nf3 e6 3.d4 cxd4 1/2

B40 Sicilian: Anderssen variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 1/2

B40 Sicilian: Pin variation (Sicilian counter-attack)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 1/2

B40 Sicilian: Pin, Jaffe variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Bd3 e5 1/2

B40 Sicilian: Pin, Koch variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.e5 1/2

B41 Sicilian: Kan variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 1/2

B41 Sicilian: Kan, Maroczy bind (Reti variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 1/2

B41 Sicilian: Kan, Maroczy bind - Bronstein variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Nc6
8.Bc2 1/2

B42 Sicilian: Kan, 5.Bd3
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 1/2

B42 Sicilian: Kan, Gipslis variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6 1/2

B42 Sicilian: Kan, Polugaievsky variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 1/2

B42 Sicilian: Kan, Swiss cheese variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 1/2

B43 Sicilian: Kan, 5.Nc3
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 1/2

B44 Sicilian defence
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 1/2

B44 Sicilian, Szen (`anti-Taimanov') variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 1/2

B44 Sicilian, Szen, hedgehog variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 Be7
9.Be2 O-O 10.O-O b6 1/2

B44 Sicilian, Szen variation, Dely-Kasparov gambit
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6
8.Na3 d5 1/2

B45 Sicilian: Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 1/2

B45 Sicilian: Taimanov, American attack
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.Nd6+ 1/2

B46 Sicilian: Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 1/2

B47 Sicilian: Taimanov (Bastrikov) variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 1/2

B48 Sicilian: Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 1/2

B49 Sicilian: Taimanov variation
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 1/2

B50 Sicilian
1.e4 c5 2.Nf3 d6 1/2

B50 Sicilian: wing gambit deferred
1.e4 c5 2.Nf3 d6 3.b4 1/2

B51 Sicilian: Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack
1.e4 c5 2.Nf3 d6 3.Bb5+ 1/2

B52 Sicilian: Canal-Sokolsky attack, 3...Bd7
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 1/2

B52 Sicilian: Canal-Sokolsky attack, Bronstein gambit
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.d4 1/2

B52 Sicilian: Canal-Sokolsky attack, Sokolsky variation
1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 1/2

B53 Sicilian, Chekhover variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 1/2

B53 Sicilian: Chekhover, Zaitsev variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 1/2

B54 Sicilian
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 1/2

B54 Sicilian: Prins (Moscow) variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 1/2

B55 Sicilian: Prins variation, Venice attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+ 1/2

B56 Sicilian
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 1/2

B56 Sicilian: Venice attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+ 1/2

B56 Sicilian
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 1/2

B57 Sicilian: Sozin, not Scheveningen
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 1/2

B57 Sicilian: Magnus Smith trap
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 g6 7.Nxc6 bxc6
8.e5 1/2

B57 Sicilian: Sozin, Benko variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 1/2

B58 Sicilian: classical
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 1/2

B58 Sicilian: Boleslavsky variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 1/2

B58 Sicilian: Boleslavsky, Louma variation
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nxc6 1/2

B59 Sicilian: Boleslavsky variation, 7.Nb3
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3 1/2

B60 Sicilian: Richter-Rauzer
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 1/2

B60 Sicilian: Richter-Rauzer, Bondarevsky variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 g6 1/2

B60 Sicilian: Richter-Rauzer, Larsen variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 1/2

B61 Sicilian: Richter-Rauzer, Larsen variation, 7.Qd2
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 1/2

B62 Sicilian: Richter-Rauzer, 6...e6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 1/2

B62 Sicilian: Richter-Rauzer, Podvebrady variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nb3 1/2

B62 Sicilian: Richter-Rauzer, Margate (Alekhine) variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5 1/2

B62 Sicilian: Richter-Rauzer, Richter attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nxc6 1/2

B62 Sicilian: Richter-Rauzer, Keres variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd3 1/2

B63 Sicilian: Richter-Rauzer, Rauzer attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 1/2

B63 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 1/2

B64 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.f4 1/2

B64 Sicilian: Richter-Rauzer, Rauzer attack, Geller variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.f4 e5 1/2

B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.f4 Nxd4 1/2

B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7
8.O-O-O O-O 9.f4 Nxd4 10.Qxd4 1/2

B66 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 1/2

B67 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
8.O-O-O Bd7 1/2

B66/7 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...h6 ; *pwo
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
8.O-O-O h6 9.Be3 Bd7 10.f4 Be7 11.Bd3 b5 12.Kb1 Qc7 13.h3 Na5
14.g4 b4 15.Nce2 Nc4 16.Bxc4 Qxc4 17.Ng3 a5 18.Rhf1 1/2

B68 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
8.O-O-O Bd7 9.f4 Be7 1/2

B69 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6 1/2

B70 Sicilian: dragon variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 1/2

B71 Sicilian: dragon, Levenfish variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 1/2

B71 Sicilian: dragon, Levenfish; Flohr variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nbd7 1/2

B72 Sicilian: dragon, 6.Be3
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 1/2

B72 Sicilian: dragon, classical attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 1/2

B72 Sicilian: dragon, classical, Amsterdam variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.Qd2 1/2

B72 Sicilian: dragon, classical, Grigoriev variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.Qd2 O-O 9.O-O-O 1/2

B72 Sicilian: dragon, classical, Nottingham variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.Nb3 1/2

B73 Sicilian: dragon, classical, 8.O-O
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O 1/2

B73 Sicilian: dragon, classical, Zollner gambit
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.f4 Qb6 10.e5 1/2

B73 Sicilian: dragon, classical, Richter variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Qd2 1/2

B74 Sicilian: dragon, classical, 9.Nb3
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 1/2

B74 Sicilian: dragon, classical, Stockholm attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Nxa5 Bxe2 13.Qxe2 Qxa5
14.g4 1/2

B74 Sicilian: dragon, classical, Spielmann variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 1/2

B74 Sicilian: dragon, classical, Bernard defence
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 Bxd3 13.cxd3 d5 1/2

B74 Sicilian: dragon, classical, Reti-Tartakower variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 Be6 10.f4 Qc8 1/2

B74 Sicilian: dragon, classical, Alekhine variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6
8.O-O O-O 9.Nb3 a5 1/2

B75 Sicilian: dragon, Yugoslav attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 1/2

B76 Sicilian: dragon, Yugoslav attack, 7...O-O
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 1/2

B76 Sicilian: dragon, Yugoslav attack, Rauser variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.O-O-O 1/2

B77 Sicilian: dragon, Yugoslav attack, 9.Bc4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.Bc4 1/2

B77 Sicilian: dragon, Yugoslav attack, Byrne variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.Bc4 a5 1/2

B77 Sicilian: dragon, Yugoslav attack, 9...Bd7
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.Bc4 Bd7 1/2

B78 Sicilian: dragon, Yugoslav attack, 10.O-O-O
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.Bc4 Bd7 10.O-O-O 1/2

B79 Sicilian: dragon, Yugoslav attack, 12.h4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6
9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8 12.h4 1/2

B80 Sicilian: Scheveningen variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 1/2

B80 Sicilian: Scheveningen, English variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.Qd2 1/2

B80 Sicilian: Scheveningen, Vitolins variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bb5+ 1/2

B80 Sicilian: Scheveningen, fianchetto variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 1/2

B81 Sicilian: Scheveningen, Keres attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 1/2

B82 Sicilian: Scheveningen, 6.f4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 1/2

B82 Sicilian: Scheveningen, Tal variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 Nc6 7.Be3 Be7
8.Qf3 1/2

B83 Sicilian: Scheveningen, 6.Be2
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 1/2

B83 Sicilian: modern Scheveningen
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 1/2

B83 Sicilian: modern Scheveningen, main line
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 7.O-O Be7
8.Be3 O-O 9.f4 1/2

B83 Sicilian: modern Scheveningen, main line with Nb3
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 7.O-O Be7
8.Be3 O-O 9.f4 Bd7 10.Nb3 1/2

B84 Sicilian: Scheveningen (Paulsen), classical variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 1/2

B84 Sicilian: Scheveningen, classical, Nd7 system
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Nbd7 1/2

B84 Sicilian: Scheveningen (Paulsen), classical variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 1/2

B85 Sicilian: Scheveningen, classical variation with ...Qc7 and ...Nc6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7
8.f4 Nc6 1/2

B85 Sicilian: Scheveningen, classical, Maroczy system
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6
9.Kh1 Be7 10.a4 1/2

B85 Sicilian: Scheveningen, classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6
9.Be3 1/2

B85 Sicilian: Scheveningen, classical main line
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6
9.Be3 Be7 10.Qe1 O-O 1/2

B86 Sicilian: Sozin attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 1/2

B87 Sicilian: Sozin with ...a6 and ...b5
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5 1/2

B88 Sicilian: Sozin, Leonhardt variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 1/2

B88 Sicilian: Sozin, Fischer variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Bb3 Be7
8.Be3 O-O 9.f4 1/2

B89 Sicilian: Sozin, 7.Be3
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 1/2

B89 Sicilian: Velimirovic attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7
8.Qe2 1/2

B90 Sicilian: Najdorf
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 1/2

B90 Sicilian: Najdorf, Adams attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 1/2

B90 Sicilian: Najdorf, Lipnitzky attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 1/2

B90 Sicilian: Najdorf, Byrne (English) attack
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 1/2

B91 Sicilian: Najdorf, Zagreb (fianchetto) variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 1/2

B92 Sicilian: Najdorf, Opovcensky variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 1/2

B93 Sicilian: Najdorf, 6.f4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 1/2

B94 Sicilian: Najdorf, 6.Bg5
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 1/2

B94 Sicilian: Najdorf, Ivkov variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5
8.Qd2 e6 9.O-O-O b5 10.Bb3 Bb7 11.Rhe1 Nc5 12.e5 1/2

B95 Sicilian: Najdorf, 6...e6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 1/2

B96 Sicilian: Najdorf, 7.f4
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 1/2

B96 Sicilian: Najdorf, Polugayevsky variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 1/2

B96 Sicilian: Najdorf, Polugayevsky, Simagin variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5
8.e5 dxe5 9.fxe5 Qc7 10.Qe2 1/2

B97 Sicilian: Najdorf, 7...Qb6
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 1/2

B97 Sicilian: Najdorf, Poisoned pawn variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2
9.Rb1 Qa3 1/2

B98 Sicilian: Najdorf, 7...Be7
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 1/2

B98 Sicilian: Najdorf, Browne variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7
8.Qf3 h6 9.Bh4 Qc7 1/2

B98 Sicilian: Najdorf, Goteborg (Argentine) variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7
8.Qf3 h6 9.Bh4 g5 1/2

B98 Sicilian: Najdorf variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7
8.Qf3 Qc7 1/2

B99 Sicilian: Najdorf, 7...Be7 main line
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 1/2

C00 French defence
1.e4 e6 1/2

C00 French defence, Steiner variation
1.e4 e6 2.c4 1/2

C00 French: Reti (Spielmann) variation
1.e4 e6 2.b3 1/2

C00 French: Steinitz attack
1.e4 e6 2.e5 1/2

C00 French: Labourdonnais variation
1.e4 e6 2.f4 1/2

C00 French defence
1.e4 e6 2.Nf3 1/2

C00/11 French: Wing gambit ; *pwo
1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 1/2

C00 French defence
1.e4 e6 2.Nc3 1/2

C00 French: Pelikan variation
1.e4 e6 2.Nc3 d5 3.f4 1/2

C00 French: Two knights variation
1.e4 e6 2.Nc3 d5 3.Nf3 1/2

C00 French: Chigorin variation
1.e4 e6 2.Qe2 1/2

C00 French: King's Indian attack
1.e4 e6 2.d3 1/2

C00 French: Reversed Philidor formation
1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2 1/2

C00 French defence
1.e4 e6 2.d4 1/2

C00 Lengfellner system
1.e4 e6 2.d4 d6 1/2

C00 St. George defence
1.e4 e6 2.d4 a6 1/2

C00 French defence
1.e4 e6 2.d4 d5 1/2

C00 French: Schlechter variation
1.e4 e6 2.d4 d5 3.Bd3 1/2

C00 French: Alapin variation
1.e4 e6 2.d4 d5 3.Be3 1/2

C01 French: exchange variation
1.e4 e6 2.d4 d5 3.exd5 1/2

C01 French: exchange, Svenonius variation
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 1/2

C01 French: exchange, Bogolyubov variation
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 Nc6 1/2

C01/1 French: exchange, Blackburne variation ; added *pwo
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Be6 5.Nbd2 1/2

C02 French: advance variation
1.e4 e6 2.d4 d5 3.e5 1/2

C02 French: advance, Steinitz variation
1.e4 e6 2.d4 d5 3.e5 c5 4.dxc5 1/2

C02 French: advance, Nimzovich variation
1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4 1/2

C02 French: advance, Nimzovich system
1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 1/2

C02 French: advance variation
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 1/2

C02 French: advance, Wade variation
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 1/2

C02 French: advance variation
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 1/2

C02 French: advance, Paulsen attack
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 1/2

C02 French: advance, Milner-Barry gambit
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 1/2

C02 French: advance, Euwe variation
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7 1/2

C03 French: Tarrasch
1.e4 e6 2.d4 d5 3.Nd2 1/2

C03 French: Tarrasch, Haberditz variation
1.e4 e6 2.d4 d5 3.Nd2 f5 1/2

C03 French: Tarrasch, Guimard variation
1.e4 e6 2.d4 d5 3.Nd2 Nc6 1/2

C04 French: Tarrasch, Guimard main line
1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 1/2

C05 French: Tarrasch, closed variation
1.e4 e6 2.d4 d5 3.Nd2 Nf6 1/2

C05 French: Tarrasch, Botvinnik variation
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 b6 1/2

C05 French: Tarrasch, closed variation
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 1/2

C06 French: Tarrasch, closed variation, main line
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4
8.cxd4 1/2

C06 French: Tarrasch, Leningrad variation
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4
8.cxd4 Nb6 1/2

C07 French: Tarrasch, open variation
1.e4 e6 2.d4 d5 3.Nd2 c5 1/2

C07 French: Tarrasch, Eliskases variation
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 1/2

C08 French: Tarrasch, open, 4.ed ed
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 1/2

C09 French: Tarrasch, open variation, main line
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 1/2

C10 French: Paulsen variation
1.e4 e6 2.d4 d5 3.Nc3 1/2

C10 French: Marshall variation
1.e4 e6 2.d4 d5 3.Nc3 c5 1/2

C10 French: Rubinstein variation
1.e4 e6 2.d4 d5 3.Nc3 dxe4 1/2

C10 French: Fort Knox variation
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6 1/2

C10 French: Rubinstein variation
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 1/2

C10 French: Rubinstein, Capablanca line
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6
7.Ne5 1/2

C10 French: Frere (Becker) variation
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5 1/2

C11 French defence
1.e4 e6 2.d4 d5 3.Nc3 Nf6 1/2

C11 French: Swiss variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3 1/2

C11 French: Henneberger variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3 1/2

C11 French: Steinitz variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 1/2

C11 French: Steinitz, Bradford attack
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4 1/2

C11 French: Steinitz variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 1/2

C11 French: Steinitz, Brodsky-Jones variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 O-O
9.Nf3 f6 1/2

C11 French: Steinitz variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 1/2

C11 French: Steinitz, Boleslavsky variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 1/2

C11 French: Steinitz, Gledhill attack
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4 1/2

C11 French: Burn variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 1/2

C12 French: MacCutcheon variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 1/2

C12 French: MacCutcheon, Bogolyubov variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 Qxd5 6.Bxf6 gxf6
7.Qd2 Qa5 1/2

C12 French: MacCutcheon, advance variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 1/2

C12 French: MacCutcheon, Chigorin variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 1/2

C12 French: MacCutcheon, Grigoriev variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 hxg5 7.fxg7 Rg8
8.h4 gxh4 9.Qg4 1/2

C12 French: MacCutcheon, Bernstein variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4 1/2

C12 French: MacCutcheon, Janowski variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3 1/2

C12 French: MacCutcheon, Dr. Olland (Dutch) variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bc1 1/2

C12 French: MacCutcheon, Tartakower variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Nfd7 1/2

C12 French: MacCutcheon, Lasker variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 1/2

C12 French: MacCutcheon, Duras variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 Kf8
9.Bc1 1/2

C12 French: MacCutcheon, Lasker variation, 8...g6
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4
8.Qg4 g6 1/2

C13 French: classical
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 1/2

C13 French: classical, Anderssen variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 1/2

C13 French: classical, Anderssen-Richter variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4 1/2

C13 French: classical, Vistaneckis (Nimzovich) variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 1/2

C13 French: classical, Frankfurt variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6 1/2

C13 French: classical, Tartakower variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4 1/2

C13 French: Albin-Alekhine-Chatard attack
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 1/2

C13 French: Albin-Alekhine-Chatard attack, Maroczy variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6 1/2

C13 French: Albin-Alekhine-Chatard attack, Breyer variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5 1/2

C13 French: Albin-Alekhine-Chatard attack, Teichmann variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6 1/2

C13 French: Albin-Alekhine-Chatard attack, Spielmann variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 O-O 1/2

C14 French: classical variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 1/2

C14 French: classical, Tarrasch variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3 1/2

C14 French: classical, Rubinstein variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2 1/2

C14 French: classical, Alapin variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5 1/2

C14 French: classical, Pollock variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qg4 1/2

C14 French: classical, Steinitz variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 1/2

C14 French: classical, Stahlberg variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 c5
9.Qd2 Nc6 10.O-O-O c4 1/2

C15 French: Winawer (Nimzovich) variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 1/2

C15 French: Winawer, Kondratiyev variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 c5 5.exd5 Qxd5 6.Bd2 1/2

C15 French: Winawer, fingerslip variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 1/2

C15 French: Winawer, Alekhine (Maroczy) gambit
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 1/2

C15 French: Winawer, Alekhine gambit, Alatortsev variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 dxe4 5.a3 Be7 6.Nxe4 Nf6 7.N2g3 O-O
8.Be2 Nc6 1/2

C15 French: Winawer, Alekhine gambit
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 dxe4 5.a3 Bxc3+ 1/2

C15 French: Winawer, Alekhine gambit, Kan variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Nge2 dxe4 5.a3 Bxc3+ 6.Nxc3 Nc6 1/2

C16 French: Winawer, advance variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 1/2

C16 French: Winawer, Petrosian variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 1/2

C17 French: Winawer, advance variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 1/2

C17 French: Winawer, advance, Bogolyubov variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 1/2

C17 French: Winawer, advance, Russian variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4 1/2

C17 French: Winawer, advance, 5.a3
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 1/2

C17 French: Winawer, advance, Rauzer variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3 7.Nf3 1/2

C18 French: Winawer, advance variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 1/2

C18 French: Winawer, classical variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 1/2

C18/2 French: Winawer, classical variation with 7.Nf3 ; *pwo added
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 1/2

C18/7 French: Winawer, advance, poisoned pawn variation ; *pwo was C19
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 1/2

C18/15 French: Winawer, advance, poisoned pawn, Euwe-Gligoric variation ; *pwo was C19
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7
8.Qxg7 Rg8 9.Qxh7 cxd4 10.Kd1 1/2

C18/15 French: Winawer, advance, poisoned pawn, Konstantinopolsky variation ; *pwo was C19
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7
8.Qxg7 Rg8 9.Qxh7 cxd4 10.Ne2 1/2

C19 French: Winawer, advance, 6...Ne7
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 1/2

C19 French: Winawer, advance, Smyslov variation
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 1/2

C19 French: Winawer, advance, positional main line
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 1/2

C19/5 French: Winawer, advance, positional main line with ...Qc7 ; *pwo
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Qc7 8.a4
b6 9.Bb5+ 1/2

C19/5 French: Winawer, advance, positional main line with ...Qc7 ; *pwo
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 Ne7 8.a4
b6 9.Bb5+ 1/2

C20 King's pawn game
1.e4 e5 1/2

C20 KP: Indian opening
1.e4 e5 2.d3 1/2

C20 KP: Mengarini's opening
1.e4 e5 2.a3 1/2

C20 KP: King's head opening
1.e4 e5 2.f3 1/2

C20 KP: Patzer opening
1.e4 e5 2.Qh5 1/2

C20 KP: Napoleon's opening
1.e4 e5 2.Qf3 1/2

C20 KP: Lopez opening
1.e4 e5 2.c3 1/2

C20 Alapin's opening
1.e4 e5 2.Ne2 1/2

C21 Centre game
1.e4 e5 2.d4 exd4 1/2

C21 Centre game, Kieseritsky variation
1.e4 e5 2.d4 exd4 3.Nf3 c5 4.Bc4 b5 1/2

C21 Halasz gambit
1.e4 e5 2.d4 exd4 3.f4 1/2

C21 Danish gambit
1.e4 e5 2.d4 exd4 3.c3 1/2

C21 Danish gambit: Collijn defence
1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Qe7 1/2

C21 Danish gambit: Schlechter defence
1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 d5 1/2

C21 Danish gambit: Soerensen defence
1.e4 e5 2.d4 exd4 3.c3 d5 1/2

C21 Centre game
1.e4 e5 2.d4 exd4 3.Qxd4 1/2

C22 Centre game
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 1/2

C22 Centre game: Paulsen attack
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 1/2

C22 Centre game: Charousek variation
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4+ 5.c3 Be7 1/2

C22 Centre game: l'Hermet variation
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 f5 1/2

C22 Centre game: Berger variation
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 1/2

C22 Centre game: Kupreichik variation
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 5.Nc3 Bb4 6.Bd2 O-O 7.O-O-O Re8
8.Bc4 d6 9.Nh3 1/2

C22 Centre game: Hall variation
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qc4 1/2

C23 Bishop's opening
1.e4 e5 2.Bc4 1/2

C23 Bishop's opening: Philidor counter-attack
1.e4 e5 2.Bc4 c6 1/2

C23 Bishop's opening: Lisitsyn variation
1.e4 e5 2.Bc4 c6 3.d4 d5 4.exd5 cxd5 5.Bb5+ Bd7 6.Bxd7+ Nxd7 7.dxe5 Nxe5
8.Ne2 1/2

C23 Bishop's opening: Calabrese counter-gambit
1.e4 e5 2.Bc4 f5 1/2

C23 Bishop's opening: Calabrese counter-gambit, Jaenisch variation
1.e4 e5 2.Bc4 f5 3.d3 1/2

C23 Bishop's opening: Classical variation
1.e4 e5 2.Bc4 Bc5 1/2

C23 Bishop's opening: Lopez gambit
1.e4 e5 2.Bc4 Bc5 3.Qe2 Nc6 4.c3 Nf6 5.f4 1/2

C23 Bishop's opening: Philidor variation
1.e4 e5 2.Bc4 Bc5 3.c3 1/2

C23 Bishop's opening: Pratt variation
1.e4 e5 2.Bc4 Bc5 3.c3 Nf6 4.d4 exd4 5.e5 d5 6.exf6 dxc4 7.Qh5 O-O 1/2

C23 Bishop's opening: Lewis counter-gambit
1.e4 e5 2.Bc4 Bc5 3.c3 d5 1/2

C23 Bishop's opening: del Rio variation
1.e4 e5 2.Bc4 Bc5 3.c3 Qg5 1/2

C23 Bishop's opening: Lewis gambit
1.e4 e5 2.Bc4 Bc5 3.d4 1/2

C23 Bishop's opening: Wing gambit
1.e4 e5 2.Bc4 Bc5 3.b4 1/2

C23 Bishop's opening: MacDonnell double gambit
1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4 1/2

C23 Bishop's opening: Four pawns' gambit
1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4 exf4 5.Nf3 Be7 6.d4 Bh4+ 7.g3 fxg3
8.O-O gxh2+ 9.Kh1 1/2

C24 Bishop's opening: Berlin defence
1.e4 e5 2.Bc4 Nf6 1/2

C24/2 Bishop's opening with 3.d3 ; *pwo
1.e4 e5 2.Bc4 Nf6 3.d3 d5 4.exd5 Nxd5 5.Nf3 Nc6 6.O-O Bg4 7.Re1 Be7 1/2

C24 Bishop's opening: Ponziani gambit
1.e4 e5 2.Bc4 Nf6 3.d4 1/2

C24 Bishop's opening: Urusov gambit
1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 1/2

C24 Bishop's opening: Urusov gambit, Panov variation
1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 d5 5.exd5 Bb4+ 6.c3 Qe7+ 1/2

C24 Bishop's opening: Greco gambit
1.e4 e5 2.Bc4 Nf6 3.f4 1/2

C24 Bishop's opening: Burger attack ; p
1.e4 e5 2.Bc4 Nf6 3.g4 1/2

C25 Vienna game
1.e4 e5 2.Nc3 1/2

C25 Vienna: Zhuravlev countergambit
1.e4 e5 2.Nc3 Bb4 3.Qg4 Nf6 1/2

C25 Vienna game, Max Lange defence
1.e4 e5 2.Nc3 Nc6 1/2

C25 Vienna: Paulsen variation
1.e4 e5 2.Nc3 Nc6 3.g3 1/2

C25 Vienna: Fyfe gambit
1.e4 e5 2.Nc3 Nc6 3.d4 1/2

C25 Vienna gambit
1.e4 e5 2.Nc3 Nc6 3.f4 1/2

C25 Vienna: Steinitz gambit
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 1/2

C25 Vienna: Steinitz gambit, Zukertort defence
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 d5 1/2

C25 Vienna: Steinitz gambit, Fraser-Minckwitz variation
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 b6 1/2

C25 Vienna gambit
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 1/2

C25 Vienna: Hamppe-Allgaier gambit
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 1/2

C25 Vienna: Hamppe-Allgaier gambit, Alapin variation
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6 1/2

C25 Vienna: Hamppe-Muzio gambit
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.O-O 1/2

C25 Vienna: Hamppe-Muzio, Dubois variation
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.O-O gxf3 7.Qxf3 Ne5
8.Qxf4 Qf6 1/2

C25 Vienna: Pierce gambit
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.d4 1/2

C25 Vienna: Pierce gambit, Rushmere attack
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.d4 g4 6.Bc4 gxf3 7.O-O d5 8.exd5 Bg4
9.dxc6 1/2

C26 Vienna: Falkbeer variation
1.e4 e5 2.Nc3 Nf6 1/2

C26 Vienna: Mengarini variation
1.e4 e5 2.Nc3 Nf6 3.a3 1/2

C26 Vienna: Paulsen-Mieses variation
1.e4 e5 2.Nc3 Nf6 3.g3 1/2

C26 Vienna game
1.e4 e5 2.Nc3 Nf6 3.Bc4 1/2

C27 Vienna game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 1/2

C27 Vienna: `Frankenstein-Dracula' variation
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5
8.Qd5 Qe7 9.Nxc7+ Kd8 10.Nxa8 b6 1/2

C27 Vienna: Adams' gambit
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.d4 1/2

C27 Vienna game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 1/2

C27 Vienna: Alekhine variation
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 6.Nf3 Nc6 7.Nxe5 1/2

; C27 Boden-Kieseritsky gambit ; (*original)
C42/1 Russian (Petroff's) defence ; changed *pwo
;1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Nf3  ; (*original)
1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 1/2

; C27 Boden-Kieseritsky gambit: Lichtenhein defence ; (*original)
C42/1 Russian (Petroff's) defence: Lichtehein variation ; changed *pwo
;1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Nf3 d5  ; (*original)
1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 d5 1/2

C28 Vienna game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 1/2

C29 Vienna gambit
1.e4 e5 2.Nc3 Nf6 3.f4 d5 1/2

C29 Vienna gambit: Kaufmann variation
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Bg4 6.Qe2 1/2

C29 Vienna gambit: Breyer variation
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Be7 1/2

C29 Vienna gambit: Paulsen attack
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 1/2

C29 Vienna gambit: Bardeleben variation
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5 1/2

C29 Vienna gambit: Heyde variation
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5 6.d4 1/2

C29 Vienna gambit
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.d3 1/2

C29 Vienna gambit, Wurzburger trap
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.d3 Qh4+ 6.g3 Nxg3 7.Nf3 Qh5
8.Nxd5 1/2

C29 Vienna gambit, Steinitz variation
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.d3 1/2

C30 King's gambit
1.e4 e5 2.f4 1/2

C30 KGD: Keene's defence
1.e4 e5 2.f4 Qh4+ 3.g3 Qe7 1/2

C30 KGD: Mafia defence
1.e4 e5 2.f4 c5 1/2

C30 KGD: Norwalde variation
1.e4 e5 2.f4 Qf6 1/2

C30 KGD: Norwalde variation, Buecker gambit
1.e4 e5 2.f4 Qf6 3.Nf3 Qxf4 4.Nc3 Bb4 5.Bc4 1/2

C30 KGD: classical variation
1.e4 e5 2.f4 Bc5 1/2

C30 KGD: classical, Svenonius variation
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 7.h3 Bxf3
8.Qxf3 exf4 1/2

C30 KGD: classical, Hanham variation
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nd7 1/2

C30 KGD: classical, 4.c3
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 1/2

C30 KGD: classical, Marshall attack
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+ 1/2

C30 KGD: classical counter-gambit
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 1/2

C30 KGD: classical, Reti variation
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4 1/2

C30 KGD: classical, Soldatenkov variation
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.fxe5 1/2

C30 KGD: classical, Heath variation
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.b4 1/2

C30 KGD: 2...Nf6
1.e4 e5 2.f4 Nf6 1/2

C31 KGD: Falkbeer counter-gambit
1.e4 e5 2.f4 d5 1/2

C31 KGD: Falkbeer, Tartakower variation
1.e4 e5 2.f4 d5 3.Nf3 1/2

C31 KGD: Falkbeer, Milner-Barry variation
1.e4 e5 2.f4 d5 3.Nc3 1/2

C31 KGD: Falkbeer counter-gambit
1.e4 e5 2.f4 d5 3.exd5 1/2

C31 KGD: Nimzovich counter-gambit
1.e4 e5 2.f4 d5 3.exd5 c6 1/2

C31 KGD: Falkbeer, 3...e4
1.e4 e5 2.f4 d5 3.exd5 e4 1/2

C31 KGD: Falkbeer, Rubinstein variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.Nc3 Nf6 5.Qe2 1/2

C31 KGD: Falkbeer, Nimzovich variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.Bb5+ 1/2

C31 KGD: Falkbeer, 4.d3
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 1/2

C31 KGD: Falkbeer, Morphy gambit
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nc3 Bb4 6.Bd2 e3 1/2

C32 KGD: Falkbeer, 5.de
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 1/2

C32 KGD: Falkbeer, Alapin variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf2+
8.Kd1 Qxd5+ 9.Nfd2 1/2

C32 KGD: Falkbeer, main line, 7...Bf5
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 1/2

C32 KGD: Falkbeer, Tarrasch variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5
8.g4 O-O 1/2

C32 KGD: Falkbeer, Charousek gambit
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 1/2

C32 KGD: Falkbeer, Charousek variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 Qxd5 7.Nd2 f5
8.g4 1/2

C32 KGD: Falkbeer, Keres variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nd2 1/2

C32 KGD: Falkbeer, Reti variation
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Qe2 1/2

C33 King's gambit accepted
1.e4 e5 2.f4 exf4 1/2

C33 KGA: Tumbleweed gambit
1.e4 e5 2.f4 exf4 3.Kf2 1/2

C33 KGA: Orsini gambit
1.e4 e5 2.f4 exf4 3.b3 1/2

C33 KGA: Pawn's gambit (Stamma gambit)
1.e4 e5 2.f4 exf4 3.h4 1/2

C33 KGA: Schurig gambit
1.e4 e5 2.f4 exf4 3.Bd3 1/2

C33 KGA: Carrera (Basman) gambit
1.e4 e5 2.f4 exf4 3.Qe2 1/2

C33 KGA: Villemson (Steinitz) gambit
1.e4 e5 2.f4 exf4 3.d4 1/2

C33 KGA: Keres (Mason-Steinitz) gambit
1.e4 e5 2.f4 exf4 3.Nc3 1/2

C33 KGA: Breyer gambit
1.e4 e5 2.f4 exf4 3.Qf3 1/2

C33 KGA: Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit
1.e4 e5 2.f4 exf4 3.Be2 1/2

C33 KGA: bishop's gambit
1.e4 e5 2.f4 exf4 3.Bc4 1/2

C33 KGA: bishop's gambit, Chigorin's attack
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 d5 5.Bxd5 g5 6.g3 1/2

C33 KGA: bishop's gambit, Greco variation
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Bc5 1/2

C33 KGA: bishop's gambit, classical defence
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 1/2

C33 KGA: bishop's gambit, Grimm attack
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 d6 7.e5 1/2

C33 KGA: bishop's gambit, classical defence
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 Ne7 1/2

C33 KGA: bishop's gambit, McDonnell attack
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 Ne7 7.g3 1/2

C33 KGA: bishop's gambit, McDonnell attack
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 1/2

C33 KGA: bishop's gambit, Fraser variation
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 fxg3 7.Qf3 1/2

C33 KGA: bishop's gambit, classical defence, Cozio attack
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Qf3 1/2

C33 KGA: bishop's gambit, Boden defence
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Nc6 1/2

C33 KGA: bishop's gambit, Bryan counter-gambit
1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 b5 1/2

C33 KGA: bishop's gambit, Bryan counter-gambit
1.e4 e5 2.f4 exf4 3.Bc4 b5 1/2

C33 KGA: bishop's gambit, Steinitz defence
1.e4 e5 2.f4 exf4 3.Bc4 Ne7 1/2

C33 KGA: bishop's gambit, Maurian defence
1.e4 e5 2.f4 exf4 3.Bc4 Nc6 1/2

C33 KGA: bishop's gambit, Ruy Lopez defence
1.e4 e5 2.f4 exf4 3.Bc4 c6 1/2

C33 KGA: bishop's gambit, Lopez-Gianutio counter-gambit
1.e4 e5 2.f4 exf4 3.Bc4 f5 1/2

C33 KGA: Lopez-Gianutio counter-gambit, Hein variation
1.e4 e5 2.f4 exf4 3.Bc4 f5 4.Qe2 Qh4+ 5.Kd1 fxe4 6.Nc3 Kd8 1/2

C33 KGA: bishop's gambit, Bledow variation
1.e4 e5 2.f4 exf4 3.Bc4 d5 1/2

C33 KGA: bishop's gambit, Gifford variation
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Qh4+ 5.Kf1 g5 6.g3 1/2

C33 KGA: bishop's gambit, Boren-Svenonius variation
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Qh4+ 5.Kf1 Bd6 1/2

C33 KGA: bishop's gambit, Anderssen variation
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 c6 1/2

C33 KGA: bishop's gambit, Morphy variation
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Nf6 1/2

C33 KGA: bishop's gambit, Cozio (Morphy) defence
1.e4 e5 2.f4 exf4 3.Bc4 Nf6 1/2

C33 KGA: bishop's gambit, Bogolyubov variation
1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 1/2

C33 KGA: bishop's gambit, Paulsen attack
1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 Bb4 5.e5 1/2

C33 KGA: bishop's gambit, Jaenisch variation
1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 c6 1/2

C34 King's knight's gambit
1.e4 e5 2.f4 exf4 3.Nf3 1/2

C34 KGA: Bonsch-Osmolovsky variation
1.e4 e5 2.f4 exf4 3.Nf3 Ne7 1/2

C34 KGA: Gianutio counter-gambit
1.e4 e5 2.f4 exf4 3.Nf3 f5 1/2

C34 KGA: Fischer defence
1.e4 e5 2.f4 exf4 3.Nf3 d6 1/2

C34 KGA: Becker defence
1.e4 e5 2.f4 exf4 3.Nf3 h6 1/2

C34 KGA: Schallop defence
1.e4 e5 2.f4 exf4 3.Nf3 Nf6 1/2

C35 KGA: Cunningham defence
1.e4 e5 2.f4 exf4 3.Nf3 Be7 1/2

C35 KGA: Cunningham, Bertin gambit
1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 1/2

C35 KGA: Cunningham, three pawns gambit
1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 fxg3 6.O-O gxh2+ 7.Kh1 1/2

C35 KGA: Cunningham, Euwe defence
1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 1/2

C36 KGA: Abbazia defence (classical defence, modern defence[!])
1.e4 e5 2.f4 exf4 3.Nf3 d5 1/2

C36 KGA: Abbazia defence, modern variation
1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 1/2

C36 KGA: Abbazia defence, Botvinnik variation
1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 5.Bb5+ c6 6.dxc6 bxc6
7.Bc4 Nd5 1/2

C37 KGA: Quaade gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3 1/2

C37 KGA: Rosentreter gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 1/2

C37 KGA: Soerensen gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Ne5 1/2

C37 KGA: King's knight's gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 1/2

C37 KGA: Blachly gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Nc6 1/2

C37 KGA: Lolli gambit (wild Muzio gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Bxf7+ 1/2

C37 KGA: Lolli gambit, Young variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Bxf7+ Kxf7 6.O-O gxf3 7.Qxf3 Qf6
8.d4 Qxd4+ 9.Be3 Qf6 10.Nc3 1/2

C37 KGA: Ghulam Kassim gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.d4 1/2

C37 KGA: MacDonnell gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Nc3 1/2

C37 KGA: Salvio gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 1/2

C37 KGA: Silberschmidt gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 f3 1/2

C37 KGA: Salvio gambit, Anderssen counter-attack
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 d6 1/2

C37 KGA: Cochrane gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 f3 1/2

C37 KGA: Herzfeld gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nc6 1/2

C37 KGA: Muzio gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O 1/2

C37 KGA: Muzio gambit, Paulsen variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qf6 7.e5 Qxe5
8.d3 Bh6 9.Nc3 Ne7 10.Bd2 Nbc6 11.Rae1 1/2

C37 KGA: double Muzio gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qf6 7.e5 Qxe5
8.Bxf7+ 1/2

C37 KGA: Muzio gambit, From defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qe7 1/2

C37 KGA: Muzio gambit, Holloway defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Nc6 1/2

C37 KGA: Muzio gambit, Kling and Horwitz counter-attack
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O Qe7 1/2

C37 KGA: Muzio gambit, Brentano defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O d5 1/2

C38 King's knight's gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 1/2

C38 KGA: Hanstein gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.O-O 1/2

C38 KGA: Philidor gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 1/2

C38 KGA: Greco gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 h6 6.d4 d6 7.Nc3 c6
8.hxg5 hxg5 9.Rxh8 Bxh8 10.Ne5 1/2

C38 KGA: Philidor gambit, Schultz variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 h6 6.d4 d6 7.Qd3 1/2

C39 King's knight's gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 1/2

C39 KGA: Allgaier gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 1/2

C39 KGA: Allgaier, Horny defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Qxg4 Nf6
8.Qxf4 Bd6 1/2

C39 KGA: Allgaier, Thorold variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 1/2

C39 KGA: Allgaier, Cook variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 d5 8.Bxf4 dxe4
9.Bc4+ Kg7 10.Be5+ 1/2

C39 KGA: Allgaier, Blackburne gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Nc3 1/2

C39 KGA: Allgaier, Walker attack
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ 1/2

C39 KGA: Allgaier, Urusov attack
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ d5
8.Bxd5+ Kg7 9.d4 1/2

C39 KGA: Allgaier, Schlechter defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 Nf6 1/2

C39 KGA: Kieseritsky, Paulsen defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Bg7 1/2

C39 KGA: Kieseritsky, long whip (Stockwhip, classical) defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 1/2

C39 KGA: Kieseritsky, long whip defence, Jaenisch variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 6.Bc4 Rh7 7.d4 Bh6
8.Nc3 1/2

C39 KGA: Kieseritsky, Brentano (Campbell) defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 1/2

C39 KGA: Kieseritsky, Brentano defence, Kaplanek variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.exd5 Qxd5 8.Nc3 Bb4
9.Kf2 1/2

C39 KGA: Kieseritsky, Brentano defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 1/2

C39 KGA: Kieseritsky, Brentano defence, Caro variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 Nxe4
8.Nd2 1/2

C39 KGA: Kieseritsky, Salvio (Rosenthal) defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7 1/2

C39 KGA: Kieseritsky, Salvio defence, Cozio variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7 6.d4 f5 7.Bc4 1/2

C39 KGA: Kieseritsky, Polerio defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Be7 1/2

C39 KGA: Kieseritsky, Neumann defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nc6 1/2

C39 KGA: Kieseritsky, Kolisch defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d6 1/2

C39 KGA: Kieseritsky, Berlin defence
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 1/2

C39 KGA: Kieseritsky, Berlin defence, Riviere variation
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Nxg4 d5 1/2

C39 KGA: Kieseritsky, Berlin defence, 6.Bc4
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 1/2

C39 KGA: Kieseritsky, Rice gambit
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6
8.O-O 1/2

C40 King's knight opening
1.e4 e5 2.Nf3 1/2

C40 Gunderam defence
1.e4 e5 2.Nf3 Qe7 1/2

C40 Greco defence
1.e4 e5 2.Nf3 Qf6 1/2

C40 Damiano's defence
1.e4 e5 2.Nf3 f6 1/2

C40 QP counter-gambit (elephant gambit)
1.e4 e5 2.Nf3 d5 1/2

C40 QP counter-gambit: Maroczy gambit
1.e4 e5 2.Nf3 d5 3.exd5 Bd6 1/2

C40 Latvian counter-gambit
1.e4 e5 2.Nf3 f5 1/2

C40 Latvian: Nimzovich variation
1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3 1/2

C40 Latvian: Fraser defence
1.e4 e5 2.Nf3 f5 3.Nxe5 Nc6 1/2

C40 Latvian gambit, 3.Bc4
1.e4 e5 2.Nf3 f5 3.Bc4 1/2

C40 Latvian: Behting variation
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.Nf7 Qxg2 6.Rf1 d5
7.Nxh8 Nf6 1/2

C40 Latvian: Polerio variation
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5 1/2

C40 Latvian: corkscrew counter-gambit
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Nf6 1/2

C41 Philidor's defence
1.e4 e5 2.Nf3 d6 1/2

C41 Philidor: Steinitz variation
1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3 1/2

C41 Philidor: Lopez counter-gambit
1.e4 e5 2.Nf3 d6 3.Bc4 f5 1/2

C41 Philidor: Lopez counter-gambit, Jaenisch variation
1.e4 e5 2.Nf3 d6 3.Bc4 f5 4.d4 exd4 5.Ng5 Nh6 6.Nxh7 1/2

C41 Philidor's defence
1.e4 e5 2.Nf3 d6 3.d4 1/2

C41 Philidor: Philidor counter-gambit
1.e4 e5 2.Nf3 d6 3.d4 f5 1/2

C41 Philidor: Philidor counter-gambit, del Rio attack
1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 1/2

C41 Philidor: Philidor counter-gambit, Berger variation
1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 Bc5 7.Nc3 1/2

C41 Philidor: Philidor counter-gambit, Zukertort variation
1.e4 e5 2.Nf3 d6 3.d4 f5 4.Nc3 1/2

C41 Philidor: exchange variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 1/2

C41 Philidor: Boden variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Bd7 1/2

C41 Philidor: exchange variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 1/2

C41 Philidor: Paulsen attack
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 d5 5.exd5 1/2

C41 Philidor: exchange variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 1/2

C41 Philidor: Berger variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Be7 6.Be2 O-O 7.O-O c5
8.Nf3 Nc6 9.Bg5 Be6 10.Re1 1/2

C41 Philidor: Larsen variation
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6 1/2

C41 Philidor: Nimzovich (Jaenisch) variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 1/2

C41 Philidor: Improved Hanham variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 1/2

C41 Philidor: Nimzovich, Sozin variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.O-O O-O 7.Qe2 c6
8.a4 exd4 1/2

C41 Philidor: Nimzovich, Larobok variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Ng5 O-O 7.Bxf7+ 1/2

C41 Philidor: Nimzovich variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 1/2

C41 Philidor: Nimzovich, Sokolsky variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Nbd2 1/2

C41 Philidor: Nimzovich, Rellstab variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5 1/2

C41 Philidor: Nimzovich, Locock variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Ng5 1/2

C41 Philidor: Nimzovich, Klein variation
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Bc4 1/2

C41 Philidor: Hanham variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 1/2

C41 Philidor: Hanham, Krause variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O 1/2

C41 Philidor: Hanham, Steiner variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5 1/2

C41 Philidor: Hanham, Kmoch variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5 1/2

C41 Philidor: Hanham, Berger variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5 Nh6 6.f4 Be7 7.O-O O-O
8.c3 d5 1/2

C41 Philidor: Hanham, Schlechter variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Nc3 1/2

C41 Philidor: Hanham, Delmar variation
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.c3 1/2

C42 Petrov's defence
1.e4 e5 2.Nf3 Nf6 1/2

C42 Petrov: French attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 1/2

C42 Petrov: Kaufmann attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4 1/2

C42 Petrov: Nimzovich attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 1/2

C42 Petrov: Cozio (Lasker) attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 1/2

C42 Petrov: classical attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 1/2

C42 Petrov: classical attack, Chigorin variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6
8.Re1 1/2

C42 Petrov: classical attack, Berger variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6
8.Re1 Bg4 9.c3 f5 10.Nbd2 1/2

C42 Petrov: classical attack, Krause variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6
8.Re1 Bg4 9.c3 f5 10.c4 1/2

C42 Petrov: classical attack, Maroczy variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6
8.Re1 Bg4 9.c3 f5 10.c4 Bh4 1/2

C42 Petrov: classical attack, Jaenisch variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6
8.c4 1/2

C42 Petrov: classical attack, Mason variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O O-O 1/2

C42 Petrov: classical attack, Marshall variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 1/2

C42 Petrov: classical attack, Tarrasch variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O
8.c4 Bg4 1/2

C42 Petrov: classical attack, Marshall trap
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 Bg4
9.cxd5 f5 10.Re1 Bxh2+ 1/2

C42 Petrov: classical attack, close variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6 1/2

C42 Petrov: Cochrane gambit
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 1/2

C42 Petrov: Paulsen attack
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4 1/2

C42 Petrov: Damiano variation
1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 1/2

C42 Petrov three knights game
1.e4 e5 2.Nf3 Nf6 3.Nc3 1/2

C42 Petrov: Italian variation
1.e4 e5 2.Nf3 Nf6 3.Bc4 1/2

C43 Petrov: modern (Steinitz) attack
1.e4 e5 2.Nf3 Nf6 3.d4 1/2

C43 Petrov: modern attack, main line
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4 1/2

C43 Petrov: modern attack, Steinitz variation
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 1/2

C43 Petrov: modern attack, Bardeleben variation
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6 1/2

C43 Petrov: Urusov gambit
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.Bc4 1/2

C43 Petrov: modern attack, Symmetrical variation
1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 1/2

C43 Petrov: modern attack, Trifunovic variation
1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O
7.c4 Bxe5 1/2

C44 King's pawn game
1.e4 e5 2.Nf3 Nc6 1/2

C44 Irish (Chicago) gambit
1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4 1/2

C44 Konstantinopolsky opening
1.e4 e5 2.Nf3 Nc6 3.g3 1/2

C44 Dresden opening
1.e4 e5 2.Nf3 Nc6 3.c4 1/2

C44 Inverted Hungarian
1.e4 e5 2.Nf3 Nc6 3.Be2 1/2

C44 Inverted Hanham
1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2 1/2

C44 Tayler opening
1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 1/2

C44 Ponziani opening
1.e4 e5 2.Nf3 Nc6 3.c3 1/2

C44 Ponziani: Caro variation
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Bd7 1/2

C44 Ponziani: Leonhardt variation
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Nf6 1/2

C44 Ponziani: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 f6 1/2

C44 Ponziani: Jaenisch counter-attack
1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 1/2

C44 Ponziani: Fraser defence
1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 Nxe4 5.d5 Bc5 1/2

C44 Ponziani: Reti variation
1.e4 e5 2.Nf3 Nc6 3.c3 Nge7 1/2

C44 Ponziani: Romanishin variation
1.e4 e5 2.Nf3 Nc6 3.c3 Be7 1/2

C44 Ponziani counter-gambit
1.e4 e5 2.Nf3 Nc6 3.c3 f5 1/2

C44 Ponziani counter-gambit, Schmidt attack
1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5 1/2

C44 Ponziani counter-gambit, Cordel variation
1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5 fxe4 6.Ng5 Nb8 7.Nxe4 Nf6
8.Bd3 Be7 1/2

C44 Scotch opening
1.e4 e5 2.Nf3 Nc6 3.d4 1/2

C44 Scotch: Lolli variation
1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 1/2

C44 Scotch: Cochrane variation
1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxe5 Ne6 5.Bc4 c6 6.O-O Nf6 7.Nxf7 1/2

C44 Scotch: Relfsson gambit ('MacLopez')
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5 1/2

C44 Scotch: Goering gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 1/2

C44 Scotch: Sea-cadet mate
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 d6 6.Bc4 Bg4 7.O-O Ne5
8.Nxe5 Bxd1 9.Bxf7+ Ke7 10.Nd5# 1/2

C44 Scotch: Goering gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4 1/2

C44 Scotch: Goering gambit, Bardeleben variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4 6.Bc4 Nf6 1/2

C44 Scotch gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 1/2

C44 Scotch gambit: Anderssen (Paulsen, Suhle) counter-attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.O-O d6 6.c3 Bg4 1/2

C44 Scotch gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 1/2

C44 Scotch gambit: Cochrane-Shumov defence
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Nxf7 Nxf7 7.Bxf7+ Kxf7
8.Qh5+ g6 9.Qxc5 d5 1/2

C44 Scotch gambit: Vitzhum attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5 1/2

C44 Scotch gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 1/2

C44 Scotch gambit: Hanneken variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.O-O cxb2 7.Bxb2 Nf6
8.Ng5 O-O 9.e5 Nxe5 1/2

C44 Scotch gambit
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 1/2

C44 Scotch gambit: Cochrane variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 Ba5 7.e5 1/2

C44 Scotch gambit: Benima defence
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7 1/2

C44 Scotch gambit: Dubois-Reti defence
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 1/2

C45 Scotch game
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 1/2

C45 Scotch: Ghulam Kassim variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nxd4 5.Qxd4 d6 6.Bd3 1/2

C45 Scotch: Pulling counter-attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 1/2

C45 Scotch: Horwitz attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 1/2

C45 Scotch: Berger variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Nd2 Qxe4+ 7.Be2 Qxg2
8.Bf3 Qh3 9.Nxc7+ Kd8 10.Nxa8 Nf6 11.a3 1/2

C45 Scotch game
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 1/2

C45 Scotch: Rosenthal variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8
8.O-O Bxd2 9.Nxd2 Qg6 1/2

C45 Scotch: Fraser attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf3 1/2

C45 Scotch: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 1/2

C45 Scotch: Schmidt variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 1/2

C45 Scotch: Mieses variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 1/2

C45 Scotch: Tartakower variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Nd2 1/2

C45 Scotch game
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 1/2

C45 Scotch: Blackburne attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 1/2

C45 Scotch: Gottschall variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 d5
8.Nb5 Bxe3 9.Qxe3 O-O 10.Nxc7 Rb8 11.Nxd5 Nxd5 12.exd5 Nb4 1/2

C45 Scotch: Paulsen attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 1/2

C45 Scotch: Paulsen, Gunsberg defence
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7
7.Bb5 Nd8 1/2

C45 Scotch: Meitner variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Nc2 1/2

C45 Scotch: Blumenfeld attack
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.Nb5 1/2

C45 Scotch: Potter variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 1/2

C45 Scotch: Romanishin variation
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb4+ 1/2

C46 Three knights game
1.e4 e5 2.Nf3 Nc6 3.Nc3 1/2

C46 Three knights: Schlechter variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6 1/2

C46 Three knights: Winawer defence (Gothic defence)
1.e4 e5 2.Nf3 Nc6 3.Nc3 f5 1/2

C46 Three knights: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 1/2

C46 Three knights: Steinitz, Rosenthal variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5 1/2

C46 Four knights: Schultze-Mueller gambit
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 1/2

C46 Four knights: Italian variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4 1/2

C47 Four knights game ; *pwo was C46
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 1/2

C47 Four knights: Gunsberg variation ; *pwo was C46
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3 1/2

C47 Four knights: Scotch variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 1/2

C47 Four knights: Scotch, Krause variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 1/2

C47 Four knights: Scotch, 4...exd4
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 1/2

C47 Four knights: Belgrade gambit
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 1/2

C48 Four knights: Spanish variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 1/2

C48 Four knights: Ranken variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 1/2

C48 Four knights: Spielmann variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 dxc6 6.Nxe5 Nxe4 7.Nxe4 Qd4
8.O-O Qxe5 9.Re1 Be6 10.d4 Qd5 1/2

C48 Four knights: Spanish, classical defence
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 1/2

C48 Four knights: Bardeleben variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nxe5 7.d4 Bd6
8.f4 Nc6 9.e5 Bb4 1/2

C48 Four knights: Marshall variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nd4 1/2

C48 Four knights: Rubinstein counter-gambit
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 1/2

C48 Four knights: Rubinstein counter-gambit, Bogolyubov variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxe5 Qe7 6.f4 1/2

C48 Four knights: Rubinstein counter-gambit, 5.Be2
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2 1/2

C48 Four knights: Rubinstein counter-gambit Maroczy variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2 Nxf3+ 6.Bxf3 Bc5 7.O-O O-O
8.d3 d6 9.Na4 Bb6 1/2

C48 Four knights: Rubinstein counter-gambit, exchange variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4 1/2

C48 Four knights: Rubinstein counter-gambit, Henneberger variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.O-O 1/2

C49 Four knights: double Ruy Lopez
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 1/2

C49 Four knights: Gunsberg counter-attack
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Nd5 Nxd5
7.exd5 e4 1/2

C49 Four knights: double Ruy Lopez
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 1/2

C49 Four knights: Alatortsev variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Qe7 7.Ne2 d5 1/2

C49 Four knights
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 1/2

C49 Four knights: Janowski variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d6
8.Re1 1/2

C49 Four knights: Svenonius variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3
7.bxc3 d5 1/2

C49 Four knights: symmetrical variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 1/2

C49 Four knights: symmetrical, Metger unpin
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3
8.bxc3 Qe7 1/2

C49 Four knights: symmetrical, Capablanca variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3
8.bxc3 Qe7 9.Re1 Nd8 10.d4 Bg4 1/2

C49 Four knights: symmetrical, Pillsbury variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Ne7 1/2

C49 Four knights: symmetrical, Blake variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Ne7 8.Nh4 c6
9.Bc4 d5 10.Bb3 Qd6 1/2

C49 Four knights: symmetrical, Tarrasch variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Be6 1/2

C49 Four knights: symmetrical, Maroczy system
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2 1/2

C49 Four knights: Nimzovich (Paulsen) variation
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Bxc6 1/2

C50 King's pawn game
1.e4 e5 2.Nf3 Nc6 3.Bc4 1/2

C50 Blackburne shilling gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 4.Nxe5 Qg5 5.Nxf7 Qxg2 6.Rf1 Qxe4+
7.Be2 Nf3+ 1/2

C50 Rousseau gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 f5 1/2

C50 Hungarian defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 1/2

C50 Hungarian defence: Tartakower variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 5.c3 Nf6 6.e5 Ne4 1/2

C50 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 1/2
					   ; *pwo: ChessBase will see this
C50/6 Giuoco Piano: four knights variation ; line as C55 but C50 is correct
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6 1/2

C50 Giuoco Piano: Jerome gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ 1/2

C50 Giuoco Pianissimo
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 1/2

C50 Giuoco Pianissimo: Dubois variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 f5 5.Ng5 f4 1/2

C50 Giuoco Pianissimo
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 1/2

C50 Giuoco Pianissimo: Italian four knights variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 1/2

C50 Giuoco Pianissimo: Canal variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 d6 6.Bg5 1/2

C51 Evans gambit declined
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 1/2

C51 Evans gambit declined, Lange variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6 1/2

C51 Evans gambit declined, Pavlov variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6 7.d4 d6
8.Bxh6 dxe5 9.Bxg7 Rg8 10.Bxf7+ Kxf7 11.Bxe5 Qg5 12.Nd2 1/2

C51 Evans gambit declined, Hirschbach variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 1/2

C51 Evans gambit declined, Vasquez variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Bxf7+ Ke7
8.Qh5 1/2

C51 Evans gambit declined, Hicken variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Qf3 Qxe5
8.Qxf7+ Kd8 9.Bb2 1/2

C51 Evans gambit declined, 5.a4
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 1/2

C51 Evans gambit declined, Showalter variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 a6 6.Nc3 1/2

C51 Evans gambit declined, Cordel variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.Bb2 1/2

C51 Evans counter-gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 d5 1/2

C51 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 1/2

C51 Evans gambit: normal variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 1/2

C51 Evans gambit: Ulvestad variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.d5 Na5 10.Bb2 1/2

C51 Evans gambit: Paulsen variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.d5 Na5 10.Bb2 Ne7 1/2

C51 Evans gambit: Morphy attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 1/2

C51 Evans gambit: Goering attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 1/2

C51 Evans gambit: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 f6 11.Be3 1/2

C51 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 Bg4 1/2

C51 Evans gambit: Fraser attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 1/2

C51 Evans gambit: Fraser-Mortimer attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.O-O d6
8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2 1/2

C51 Evans gambit: Stone-Ware variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6 1/2

C51 Evans gambit: Mayet defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bf8 1/2

C51 Evans gambit: 5...Be7
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 1/2

C51 Evans gambit: Cordel variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5 1/2

C52 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 1/2

C52 Evans gambit: compromised defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4
7.O-O dxc3 1/2

C52 Evans gambit: compromised defence, Paulsen variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O dxc3
8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Ba3 1/2

C52 Evans gambit: compromised defence, Potter variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O dxc3
8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Rd1 1/2

C52 Evans gambit: Leonhardt variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 b5 1/2

C52 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 1/2

C52 Evans gambit: Tartakower attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 1/2

C52 Evans gambit: Levenfish variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 Qd7
8.dxe5 dxe5 9.O-O Bb6 10.Ba3 Na5 11.Nxe5 1/2

C52 Evans gambit: Sokolsky variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Bg5 1/2

C52 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O 1/2

C52 Evans gambit: Richardson attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O Nf6 7.d4 O-O
8.Nxe5 1/2

C52 Evans gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6 1/2

C52 Evans gambit: Waller attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6 7.d4 exd4
8.Qb3 1/2

C52 Evans gambit: Lasker defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6 7.d4 Bb6 1/2

C52 Evans gambit: Sanders-Alapin variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6 7.d4 Bd7 1/2

C52 Evans gambit: Alapin-Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6 7.d4 Bg4 1/2

C53 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 1/2

C53 Giuoco Piano: LaBourdonnais variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 d6 5.d4 exd4 6.cxd4 Bb6 1/2

C53 Giuoco Piano: close variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 1/2

C53 Giuoco Piano: centre-holding variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 1/2

C53 Giuoco Piano: Tarrasch variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.O-O Nf6 7.a4 a6 8.Re1 d6
9.h3 1/2

C53 Giuoco Piano: Mestel variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.Bg5 1/2

C53 Giuoco Piano: Eisinger variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.d5 Nb8 7.d6 1/2

C53 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 1/2

C53 Giuoco Piano: Bird's attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4 1/2

C53 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 1/2

C53 Giuoco Piano: Ghulam Kassim variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 Ne4 7.Bd5 Nxf2
8.Kxf2 dxc3+ 9.Kg3 1/2

C53 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 1/2

C53 Giuoco Piano: Anderssen variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 7.Bb5 Ne4
8.cxd4 Bb4+ 1/2

C54 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 1/2

C54 Giuoco Piano: Krause variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Nxe4
8.Bxb4 Nxb4 9.Bxf7+ Kxf7 10.Qb3+ d5 11.Ne5+ Kf6 12.f3 1/2

C54 Giuoco Piano: Cracow variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1 1/2

C54 Giuoco Piano: Greco's attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 1/2

C54 Giuoco Piano: Greco variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Nxc3 1/2

C54 Giuoco Piano: Bernstein variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Nxc3 9.bxc3 Bxc3 10.Qb3 d5 1/2

C54 Giuoco Piano: Aitken variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Nxc3 9.bxc3 Bxc3 10.Ba3 1/2

C54 Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Bxc3 1/2

C54 Giuoco Piano: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Bxc3 9.bxc3 d5 10.Ba3 1/2

C54 Giuoco Piano: Moeller (Therkatz) attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Bxc3 9.d5 1/2

C54 Giuoco Piano: Therkatz-Herzog variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.Bg5 Bxg5 13.Nxg5 O-O
14.Nxh7 1/2

C54 Giuoco Piano: Moeller, bayonet attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4
8.O-O Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.g4 1/2

C55 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 1/2

C55 Giuoco piano: Rosentreter variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 h6 8.Bh4 g5
9.f4 1/2

C55 Giuoco piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Bc5 5.d4 Bxd4 6.Nxd4 Nxd4
7.Bg5 d6 1/2

C55 Giuoco piano: Holzhausen attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6
8.f4 Qe7 9.fxe5 dxe5 10.Nc3 1/2

C55 Two knights defence (Modern bishop's opening)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 1/2

C55 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 1/2

C55 Two knights defence, Keidanz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bc5
8.Nxc6 Bxf2+ 9.Kf1 Qh4 1/2

C55 Two knights defence, Perreux variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Ng5 1/2

C55 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O 1/2

C55 two knights: Max Lange attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 1/2

C55 two knights: Max Lange attack, Berger variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4
8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.g4 Qg6 12.Nce4 Bb6 13.f4 O-O-O 1/2

C55 two knights: Max Lange attack, Marshall variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4
8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 1/2

C55 two knights: Max Lange attack, Rubinstein variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4
8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 Bf8 1/2

C55 two knights: Max Lange attack, Loman defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4
8.Re1+ Be6 9.Ng5 g6 1/2

C55 two knights: Max Lange attack, Schlechter variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4
8.Re1+ Be6 9.fxg7 1/2

C55 two knights: Max Lange attack, Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 Ng4 1/2

C55 two knights: Max Lange attack, Krause variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 Ng4 7.c3 1/2

C56 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 1/2

C56 two knights defence: Yurdansky attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5
8.Nc3 Qa5 9.Nxe4 Be6 10.Bg5 h6 11.Bh4 g5 12.Nf6+ Ke7 13.b4 1/2

C56 two knights defence: Canal variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Nc3 1/2

C57 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 1/2

C57 two knights defence: Wilkes Barre (Traxler) variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 1/2

C57 two knights defence: Ulvestad variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 1/2

C57 two knights defence: Fritz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 1/2

C57 two knights defence: Fritz, Gruber variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 6.c3 b5 7.Bf1 Nxd5
8.Ne4 1/2

C57 two knights defence: Lolli attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4 1/2

C57 two knights defence: Pincus variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4 Bb4+ 1/2

C57 two knights defence: Fegatello attack
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 1/2

C57 two knights defence: Fegatello attack, Leonhardt variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6
8.Nc3 Ncb4 9.Qe4 c6 10.a3 Na6 11.d4 Nac7 1/2

C57 two knights defence: Fegatello attack, Polerio defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6
8.Nc3 Nce7 1/2

C58 two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 1/2

C58 two knights defence: Kieseritsky variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 1/2

C58 two knights defence: Yankovich variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4
9.dxc4 Bc5 10.Nfd2 1/2

C58 two knights defence: Maroczy variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4
9.dxc4 Be7 1/2

C58 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ 1/2

C58 two knights defence: Bogolyubov variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Qf3 1/2

C58 two knights defence: Paoli variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Qf3 Qc7 9.Bd3 1/2

C58 two knights defence: Colman variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Qf3 Rb8 1/2

C58 two knights defence: Blackburne variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Qf3 cxb5 1/2

C58 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Be2 1/2

C59 Two knights defence
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Be2 h6 1/2

C59 two knights defence: Knorre variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Be2 h6 9.Nf3 e4 10.Ne5 Bd6 11.d4 Qc7 12.Bd2 1/2

C59 two knights defence: Goering variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Be2 h6 9.Nf3 e4 10.Ne5 Qc7 1/2

C59 two knights defence: Steinitz variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6
8.Be2 h6 9.Nh3 1/2

C60 Ruy Lopez (Spanish opening)
1.e4 e5 2.Nf3 Nc6 3.Bb5 1/2

C60 Ruy Lopez: Nuernberg variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 f6 1/2

C60 Ruy Lopez: Pollock defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Na5 1/2

C60 Ruy Lopez: Lucena defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Be7 1/2

C60 Ruy Lopez: Vinogradov variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Qe7 1/2

C60 Ruy Lopez: Brentano defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 g5 1/2

C60 Ruy Lopez: fianchetto (Smyslov/Barnes) defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 1/2

C60 Ruy Lopez: Cozio defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 1/2

C60 Ruy Lopez: Cozio defence, Paulsen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.Nc3 g6 1/2

C61 Ruy Lopez: Bird's defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 1/2

C61 Ruy Lopez: Bird's defence, Paulsen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Ne7 1/2

C62 Ruy Lopez: old Steinitz defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 1/2

C62 Ruy Lopez: old Steinitz defence, Nimzovich attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.Nc3 Nf6 6.Bxc6 1/2

C62 Ruy Lopez: old Steinitz defence, semi-Duras variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.c4 1/2

C63 Ruy Lopez: Schliemann defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 1/2

C63 Ruy Lopez: Schliemann defence, Berger variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 1/2

C64 Ruy Lopez: classical (Cordel) defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 1/2

C64 Ruy Lopez: classical defence, Zaitsev variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.b4 1/2

C64 Ruy Lopez: classical defence, 4.c3
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 1/2

C64 Ruy Lopez: classical defence, Benelux variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.O-O O-O 6.d4 Bb6 1/2

C64 Ruy Lopez: classical defence, Charousek variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Bb6 1/2

C64 Ruy Lopez: classical defence, Boden variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Qe7 1/2

C64 Ruy Lopez: Cordel gambit
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 f5 1/2

C65 Ruy Lopez: Berlin defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 1/2

C65 Ruy Lopez: Berlin defence, Nyholm attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d4 exd4 5.O-O 1/2

C65 Ruy Lopez: Berlin defence, Mortimer variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 1/2

C65 Ruy Lopez: Berlin defence, Mortimer trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 5.Nxe5 c6 1/2

C65 Ruy Lopez: Berlin defence, Anderssen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.Bxc6+ 1/2

C65 Ruy Lopez: Berlin defence, Duras variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c4 1/2

C65 Ruy Lopez: Berlin defence, Kaufmann variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.Be3 1/2

C65 Ruy Lopez: Berlin defence, 4.O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O 1/2

C65 Ruy Lopez: Berlin defence, Beverwijk variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 1/2

C66 Ruy Lopez: Berlin defence, 4.O-O, d6
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 1/2

C66 Ruy Lopez: Berlin defence, hedgehog variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 1/2

C66 Ruy Lopez: Berlin defence, Tarrasch trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Re1 O-O 1/2

C66 Ruy Lopez: closed Berlin defence, Bernstein variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bg5 1/2

C66 Ruy Lopez: closed Berlin defence, Showalter variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 1/2

C66 Ruy Lopez: closed Berlin defence, Wolf variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 exd4 1/2

C66 Ruy Lopez: closed Berlin defence, Chigorin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Nd7 1/2

C67 Ruy Lopez: Berlin defence, open variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 1/2

C67 Ruy Lopez: open Berlin defence, l'Hermet variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.dxe5 1/2

C67 Ruy Lopez: open Berlin defence, Showalter variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Ba4 1/2

C67 Ruy Lopez: open Berlin defence, 5...Be7
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 1/2

C67 Ruy Lopez: Berlin defence, Rio de Janeiro variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6
8.dxe5 Nb7 9.Nc3 O-O 10.Re1 Nc5 11.Nd4 Ne6 12.Be3 Nxd4 13.Bxd4 c5 1/2

C67 Ruy Lopez: Berlin defence, Zukertort variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6
8.dxe5 Nb7 9.c4 1/2

C67 Ruy Lopez: Berlin defence, Pillsbury variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6
8.dxe5 Nb7 9.b3 1/2

C67 Ruy Lopez: Berlin defence, Winawer attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6
8.dxe5 Nb7 9.Nd4 1/2

C67 Ruy Lopez: Berlin defence, Cordel variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6
8.dxe5 Nf5 1/2

C67 Ruy Lopez: Berlin defence, Trifunovic variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 d5 1/2

C67 Ruy Lopez: Berlin defence, Minckwitz variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.dxe5 1/2

C67 Ruy Lopez: Berlin defence, Rosenthal variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 a6 1/2

C68 Ruy Lopez: exchange variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 1/2

C68 Ruy Lopez: exchange, Alekhine variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4
7.Nxd4 Bd7 1/2

C68 Ruy Lopez: exchange, Keres variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 1/2

C68 Ruy Lopez: exchange, Romanovsky variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 f6 6.d3 1/2

C69 Ruy Lopez: exchange variation, 5.O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O 1/2

C69 Ruy Lopez: exchange variation, Alapin gambit
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 h5 1/2

C69 Ruy Lopez: exchange, Gligoric variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 1/2

;C69 Ruy Lopez: exchange, Bronstein variation	 ;(*orig)
C68/12 Ruy Lopez: exchange, Pachman-Romanishin variation ;*pwo ('67 game)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 1/2

C70 Ruy Lopez
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 1/2

C70 Ruy Lopez: fianchetto defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 g6 1/2

C70 Ruy Lopez: Cozio defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 1/2

C70 Ruy Lopez: Bird's defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nd4 1/2

C70 Ruy Lopez: Alapin's defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bb4 1/2

C70 Ruy Lopez: Classical defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bc5 1/2

C70 Ruy Lopez: Caro variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 1/2

C70 Ruy Lopez: Graz variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Bc5 1/2

C70 Ruy Lopez: Taimanov (chase/wing/accelerated counterthrust) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 1/2

C70 Ruy Lopez: Schliemann defence deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5 1/2

C71 Ruy Lopez: modern Steinitz defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 1/2

C71 Ruy Lopez: Noah's ark trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.d4 b5 6.Bb3 Nxd4 7.Nxd4 exd4
8.Qxd4 c5 1/2

C71 Ruy Lopez: modern Steinitz defence, Three knights variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Nc3 1/2

C71 Ruy Lopez: modern Steinitz defence, Duras (Keres) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 1/2

C72 Ruy Lopez: modern Steinitz defence, 5.O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O 1/2

C73 Ruy Lopez: modern Steinitz defence, Richter variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 1/2

C73 Ruy Lopez: modern Steinitz defence, Alapin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 1/2

C74 Ruy Lopez: modern Steinitz defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 1/2

C74 Ruy Lopez: modern Steinitz defence, siesta variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 1/2

C74 Ruy Lopez: Siesta, Kopayev variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.exf5 Bxf5 7.O-O 1/2

C75 Ruy Lopez: modern Steinitz defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 1/2

C75 Ruy Lopez: modern Steinitz defence, Rubinstein variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Nge7 1/2

C76 Ruy Lopez: modern Steinitz defence, fianchetto (Bronstein) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 g6 1/2

C77 Ruy Lopez: Morphy defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 1/2

C77 Ruy Lopez: four knights (Tarrasch) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 1/2

C77 Ruy Lopez: Treybal (Bayreuth) variation (exchange var. deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6 1/2

C77 Ruy Lopez: Wormald (Alapin) attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 1/2

C77 Ruy Lopez: Wormald attack, Gruenfeld variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 Be7 7.d4 d6
8.c3 Bg4 1/2

C77 Ruy Lopez: Anderssen variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 1/2

C77 Ruy Lopez: Morphy defence, Duras variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c4 1/2

C78 Ruy Lopez: 5.O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O 1/2

C78 Ruy Lopez: Wing attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.a4 1/2

C78 Ruy Lopez: ...b5 & ...d6
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 1/2

C78 Ruy Lopez: Rabinovich variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4
9.Re1 Bc5 10.Rxe5+ Kf8 1/2

C78 Ruy Lopez: Archangel variation ; *pwo
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 1/2

C78 Ruy Lopez: Archangelsk (counterthrust) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 1/2

C78 Ruy Lopez: Moeller defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Bc5 1/2

C79 Ruy Lopez: Steinitz defence deferred (Russian defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 1/2

C79 Ruy Lopez: Steinitz defence deferred, Lipnitsky variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.Bxc6+ bxc6
7.d4 Bg4 1/2

C79 Ruy Lopez: Steinitz defence deferred, Rubinstein variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.Bxc6+ bxc6
7.d4 Nxe4 1/2

C79 Ruy Lopez: Steinitz defence deferred, Boleslavsky variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.Bxc6+ bxc6 7.d4 Nxe4 8.Re1 f5
9.dxe5 d5 10.Nc3 1/2

C80 Ruy Lopez: open (Tarrasch) defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 1/2

C80 Ruy Lopez: open, Tartakower variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Qe2 1/2

C80 Ruy Lopez: open, Knorre variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Nc3 1/2

C80 Ruy Lopez: open, 6.d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 1/2

C80 Ruy Lopez: open, Riga variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 exd4 1/2

C80 Ruy Lopez: open, 6.d4 b5
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 1/2

C80 Ruy Lopez: open, Friess attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Nxe5 1/2

C80 Ruy Lopez: open, Richter variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.d5 1/2

C80 Ruy Lopez: open, 7.Bb3
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 1/2

C80 Ruy Lopez: open, Schlechter defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5
8.a4 Nxd4 1/2

C80 Ruy Lopez: open, Berger variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.a4 Nxd4
9.Nxd4 exd4 10.Nc3 1/2

C80 Ruy Lopez: open, Harksen gambit
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5
8.c4 1/2

C80 Ruy Lopez: open, 8.de
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5
8.dxe5 1/2

C80 Ruy Lopez: open, Zukertort variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5
8.dxe5 Ne7 1/2

C80 Ruy Lopez: open, 8...Be6
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5
8.dxe5 Be6 1/2

C80 Ruy Lopez: open, Bernstein variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Nbd2 1/2

C80 Ruy Lopez: open, Bernstein variation, Karpov gambit
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Nbd2 Nc5 10.c3 d4 11.Ng5 1/2

C81 Ruy Lopez: open, Howell attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Qe2 1/2

C81 Ruy Lopez: open, Howell attack, Ekstroem variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Qe2 Be7 10.Rd1 O-O 11.c4 bxc4 12.Bxc4 Qd7 1/2

C81 Ruy Lopez: open, Howell attack, Adam variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Qe2 Be7 10.c4 1/2

C82 Ruy Lopez: open, 9.c3
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 1/2

C82 Ruy Lopez: open, Berlin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Nc5 1/2

C82 Ruy Lopez: open, Italian variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Bc5 1/2

C82 Ruy Lopez: open, St. Petersburg variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Bc5 10.Nbd2 1/2

C82 Ruy Lopez: open, Dilworth variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Bc5 10.Nbd2 O-O 11.Bc2 Nxf2 1/2

C82 Ruy Lopez: open, Motzko attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Bc5 10.Qd3 1/2

C82 Ruy Lopez: open, Motzko attack, Nenarokov variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Bc5 10.Qd3 Ne7 1/2

C83 Ruy Lopez: open, classical defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Be7 1/2

C83 Ruy Lopez: open, Malkin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Be7 10.Nbd2 O-O 11.Qe2 1/2

C83 Ruy Lopez: open, 9...Be7, 10.Re1
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Be7 10.Re1 1/2

C83 Ruy Lopez: open, Tarrasch trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Be7 10.Re1 O-O 11.Nd4 Qd7 12.Nxe6 fxe6 13.Rxe4 1/2

C83 Ruy Lopez: open, Breslau variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.c3 Be7 10.Re1 O-O 11.Nd4 Nxe5 1/2

C84 Ruy Lopez: closed defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 1/2

C84/1 Ruy Lopez: closed centre with 6.d3 ; *pwo added
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 1/2

C84/2 Ruy Lopez: closed centre with 7...Bb7 ; *pwo added
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 b5 7.Bb3 Bb7 1/2

C84/5 Ruy Lopez: closed centre with 7...d6 ; *pwo added
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 b5 7.Bb3 d6 1/2

C84 Ruy Lopez: closed, centre attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 1/2

C84 Ruy Lopez: closed, Basque gambit (North Spanish variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4
8.c3 1/2

C85 Ruy Lopez: Exchange variation doubly deferred (DERLD)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 1/2

C86 Ruy Lopez: Worrall attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 1/2

C86 Ruy Lopez: Worrall attack, sharp line
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 1/2

C86 Ruy Lopez: Worrall attack, solid line
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 1/2

C87 Ruy Lopez: closed, Averbach variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 1/2

C88 Ruy Lopez: closed
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 1/2

C88 Ruy Lopez: closed, Leonhardt variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6
8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.h3 Nc6 12.d5 Nb8 13.Nbd2 g5 1/2

C88 Ruy Lopez: closed, Balla variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6
8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.a4 1/2

C88 Ruy Lopez: closed, 7...d6, 8.d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6
8.d4 1/2

C88 Ruy Lopez: Noah's ark trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.d4 Nxd4
9.Nxd4 exd4 10.Qxd4 c5 1/2

C88 Ruy Lopez: Trajkovic counter-attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 Bb7 1/2

C88 Ruy Lopez: closed, 7...O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 1/2

C88 Ruy Lopez: closed, anti-Marshall 8.a4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.a4 1/2

C88 Ruy Lopez: closed, 8.c3
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 1/2

C89 Ruy Lopez: Marshall counter-attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 1/2

C89 Ruy Lopez: Marshall counter-attack, 11...c6
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 1/2

C89 Ruy Lopez: Marshall, Kevitz variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.Bxd5 cxd5 13.d4 Bd6
14.Re3 1/2

C89 Ruy Lopez: Marshall, main line, 12.d2d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 1/2

C89 Ruy Lopez: Marshall, main line, 14...Qh3
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4
14.g3 Qh3 1/2

C89 Ruy Lopez: Marshall, main line, Spassky variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3
15.Be3 Bg4 16.Qd3 Rae8 17.Nd2 Re6 18.a4 Qh5 1/2

C89 Ruy Lopez: Marshall, Herman Steiner variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d5 9.exd5 e4 1/2

C90 Ruy Lopez: closed (with ...d6)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 1/2

C90 Ruy Lopez: closed, Pilnik variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.d3 1/2

C90 Ruy Lopez: closed, Lutikov variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.Bc2 1/2

C90 Ruy Lopez: closed, Suetin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.a3 1/2

C91 Ruy Lopez: closed, 9.d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.d4 1/2

C91 Ruy Lopez: closed, Bogolyubov variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.d4 Bg4 1/2

C92 Ruy Lopez: closed, 9.h3
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 1/2

C92 Ruy Lopez: closed, Keres (9...a5) variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 a5 1/2

C92 Ruy Lopez: closed, Kholmov variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Be6 1/2

C92 Ruy Lopez: closed, Ragozin-Petrosian (`Keres') variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nd7 1/2

C92 Ruy Lopez: closed, Flohr-Zaitsev system (Lenzerheide variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Bb7 1/2

C93 Ruy Lopez: closed, Smyslov defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 h6 1/2

C94 Ruy Lopez: closed, Breyer defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nb8 1/2

C95 Ruy Lopez: closed, Breyer, 10.d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nb8 10.d4 1/2

C95 Ruy Lopez: closed, Breyer, Borisenko variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nb8 10.d4 Nbd7 1/2

C95 Ruy Lopez: closed, Breyer, Gligoric variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 c5 1/2

C95 Ruy Lopez: closed, Breyer, Simagin variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nh4 1/2

C96 Ruy Lopez: closed (8...Na5)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 1/2

C96 Ruy Lopez: closed, Rossolimo defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c6 11.d4 Qc7 1/2

C96 Ruy Lopez: closed (10...c5)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 1/2

C96 Ruy Lopez: closed, Borisenko defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Nc6 1/2

C96 Ruy Lopez: closed, Keres (...Nd7) defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Nd7 1/2

C97 Ruy Lopez: closed, Chigorin defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 1/2

C97 Ruy Lopez: closed, Chigorin, Yugoslav system
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8
14.Ne3 g6 1/2

C98 Ruy Lopez: closed, Chigorin, 12...Nc6
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 1/2

C98 Ruy Lopez: closed, Chigorin, Rauzer attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 1/2

C99 Ruy Lopez: closed, Chigorin, 12...c5d4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O
8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 1/2

D00 Queen's pawn game
1.d4 d5 1/2

D00 Queen's pawn, Mason variation
1.d4 d5 2.Bf4 1/2

D00 Queen's pawn, Mason variation, Steinitz counter-gambit
1.d4 d5 2.Bf4 c5 1/2

D00 Levitsky attack (Queen's bishop attack)
1.d4 d5 2.Bg5 1/2

D00 Blackmar gambit
1.d4 d5 2.e4 1/2

D00 Queen's pawn: stonewall attack
1.d4 d5 2.e3 Nf6 3.Bd3 1/2

D00 Queen's pawn: Chigorin variation
1.d4 d5 2.Nc3 1/2

D00 Queen's pawn: Anti-Veresov
1.d4 d5 2.Nc3 Bg4 1/2

D00 Blackmar-Diemer gambit
1.d4 d5 2.Nc3 Nf6 3.e4 1/2

D00 Blackmar-Diemer: Euwe defence
1.d4 d5 2.Nc3 Nf6 3.e4 dxe4 4.f3 exf3 5.Nxf3 e6 1/2

D00 Blackmar-Diemer: Lemberg counter-gambit
1.d4 d5 2.Nc3 Nf6 3.e4 e5 1/2

D01 Richter-Veresov attack
1.d4 d5 2.Nc3 Nf6 3.Bg5 1/2

D01 Richter-Veresov attack, Veresov variation
1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.Bxf6 1/2

D01 Richter-Veresov attack, Richter variation
1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.f3 1/2

D02 Queen's pawn game
1.d4 d5 2.Nf3 1/2

D02 Queen's pawn game, Chigorin variation
1.d4 d5 2.Nf3 Nc6 1/2

D02 Queen's pawn game, Krause variation
1.d4 d5 2.Nf3 c5 1/2

D02 Queen's pawn game
1.d4 d5 2.Nf3 Nf6 1/2

D02 Queen's bishop game
1.d4 d5 2.Nf3 Nf6 3.Bf4 1/2

D03 Torre attack (Tartakower variation)
1.d4 d5 2.Nf3 Nf6 3.Bg5 1/2

D04 Queen's pawn game
1.d4 d5 2.Nf3 Nf6 3.e3 1/2

D05 Queen's pawn game
1.d4 d5 2.Nf3 Nf6 3.e3 e6 1/2

D05 Queen's pawn game, Zukertort variation
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Nbd2 c5 5.b3 1/2

D05 Queen's pawn game
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 1/2

D05 Queen's pawn game, Rubinstein (Colle-Zukertort) variation
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3 1/2

D05 Colle system
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3 1/2

D06 Queen's Gambit
1.d4 d5 2.c4 1/2

D06 QGD: Grau (Sahovic) defence
1.d4 d5 2.c4 Bf5 1/2

D06 QGD: Marshall defence
1.d4 d5 2.c4 Nf6 1/2

D06 QGD: symmetrical (Austrian) defence
1.d4 d5 2.c4 c5 1/2

D07 QGD: Chigorin defence
1.d4 d5 2.c4 Nc6 1/2

D07 QGD: Chigorin defence, Janowski variation
1.d4 d5 2.c4 Nc6 3.Nc3 dxc4 4.Nf3 1/2

D08 QGD: Albin counter-gambit
1.d4 d5 2.c4 e5 1/2

D08 QGD: Albin counter-gambit, Lasker trap
1.d4 d5 2.c4 e5 3.dxe5 d4 4.e3 Bb4+ 5.Bd2 dxe3 1/2

D08 QGD: Albin counter-gambit
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 1/2

D08 QGD: Albin counter-gambit, Alapin variation
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 1/2

D08 QGD: Albin counter-gambit, Krenosz variation
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Bg4 6.h3 Bxf3 7.Nxf3 Bb4+
8.Bd2 Qe7 1/2

D08 QGD: Albin counter-gambit, Janowski variation
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 f6 1/2

D08 QGD: Albin counter-gambit, Balogh variation
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Qe7 1/2

D09 QGD: Albin counter-gambit, 5.g3
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3 1/2

D10 QGD Slav defence
1.d4 d5 2.c4 c6 1/2

D10 QGD Slav defence, Alekhine variation
1.d4 d5 2.c4 c6 3.Nc3 dxc4 4.e4 1/2

D10 QGD Slav: Winawer counter-gambit
1.d4 d5 2.c4 c6 3.Nc3 e5 1/2

D10 QGD Slav defence: exchange variation
1.d4 d5 2.c4 c6 3.cxd5 1/2

D11 QGD Slav: 3.Nf3
1.d4 d5 2.c4 c6 3.Nf3 1/2

D11 QGD Slav: Breyer variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nbd2 1/2

D11 QGD Slav: 4.e3
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 1/2

D12 QGD Slav: 4.e3 Bf5
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 1/2

D12 QGD Slav: Landau variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Qb3 Qc8 7.Bd2 e6
8.Na3 1/2

D12 QGD Slav: exchange variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Nc3 1/2

D12 QGD Slav: Amsterdam variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Nc3 e6 7.Ne5 Nfd7 1/2

D13 QGD Slav: exchange variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 1/2

D14 QGD Slav: exchange variation, 6.Bf4 Bf5
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 1/2

D14 QGD Slav: exchange, Trifunovic variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6
8.Qb3 Bb4 1/2

D15 QGD Slav: 4.Nc3
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 1/2

D15 QGD Slav: Suechting variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 Qb6 1/2

D15 QGD Slav: Schlechter variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 1/2

D15 QGD Slav accepted
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 1/2

D15 QGD Slav: 5.e3 (Alekhine variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 1/2

D15 QGD Slav: Slav gambit
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 1/2

D15 QGD Slav: Tolush-Geller gambit
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 b5 6.e5 1/2

D16 QGD Slav accepted: Alapin variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 1/2

D16 QGD Slav: Smyslov variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 6.e4 Bg4 1/2

D16 QGD Slav: Soultanbeieff variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 e6 1/2

D16 QGD Slav: Steiner variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 1/2

D17 QGD Slav: Czech defence
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 1/2

D17 QGD Slav: Krause attack
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 1/2

D17 QGD Slav: Carlsbad variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7
8.g3 e5 1/2

D17 QGD Slav: Wiesbaden variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 1/2

D18 QGD Slav: Dutch variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 1/2

D18 QGD Slav: Dutch, Lasker variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6 1/2

D19 QGD Slav: Dutch variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4
8.O-O 1/2

D19 QGD Slav: Dutch variation, main line
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Qe2 1/2

D19 QGD Slav: Dutch, Saemisch variation
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Qe2 Ne4 10.g4 1/2

D20 Queen's gambit accepted
1.d4 d5 2.c4 dxc4 1/2

D20 QGA: 3.e4
1.d4 d5 2.c4 dxc4 3.e4 1/2

D20 QGA: Linares variation
1.d4 d5 2.c4 dxc4 3.e4 c5 4.d5 Nf6 5.Nc3 b5 1/2

D20 QGA: Schwartz defence
1.d4 d5 2.c4 dxc4 3.e4 f5 1/2

D21 QGA: 3.Nf3
1.d4 d5 2.c4 dxc4 3.Nf3 1/2

D21 QGA: Ericson variation
1.d4 d5 2.c4 dxc4 3.Nf3 b5 1/2

D21 QGA: Alekhine defence, Borisenko-Furman variation
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e4 1/2

D22 QGA: Alekhine defence
1.d4 d5 2.c4 dxc4 3.Nf3 a6 1/2

D22 QGA: Alekhine defence, Alatortsev variation
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.d5 1/2

D22 QGA: Haberditz variation
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 b5 1/2

D23 Queen's gambit accepted
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 1/2

D23 QGA: Mannheim variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4+ 1/2

D24 QGA, 4.Nc3
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 1/2

D24 QGA, Bogolyubov variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.e4 1/2

D25 QGA, 4.e3
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 1/2

D25 QGA, Smyslov variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6 1/2

D25 QGA, Janowsky-Larsen variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 1/2

D25 QGA, Flohr variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Be6 1/2

D26 QGA: 4...e6
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 1/2

D26 QGA: classical variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 1/2

D26 QGA: classical, Furman variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.Qe2 a6 7.dxc5 Bxc5
8.O-O Nc6 9.e4 b5 10.e5 1/2

D26 QGA: classical variation, 6.O-O
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O 1/2

D26 QGA: classical, Steinitz variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4 1/2

D27 QGA: classical, 6...a6
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 1/2

D27 QGA: classical, Rubinstein variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4 1/2

D27 QGA: classical, Geller variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.e4 1/2

D28 QGA: classical, 7.Qe2
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 1/2

D28 QGA: classical, 7...b5
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 1/2

D28 QGA: classical, Flohr variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5
8.Bb3 Nc6 9.Rd1 c4 10.Bc2 Nb4 11.Nc3 Nxc2 12.Qxc2 Bb7 13.d5 Qc7 1/2

D29 QGA: classical, 8...Bb7
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5
8.Bb3 Bb7 1/2

D29 QGA: classical, Smyslov variation
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5
8.Bb3 Bb7 9.Rd1 Nbd7 10.Nc3 Bd6 1/2

D30 Queen's gambit declined
1.d4 d5 2.c4 e6 1/2

D30 QGD Slav
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 1/2

D30 QGD: Stonewall variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Ne4 6.Bd3 f5 1/2

D30 QGD Slav
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 1/2

D30 QGD Slav: Semmering variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 6.Bd3 c5 1/2

D30 QGD: Spielmann variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 g6 1/2

D30 QGD
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 1/2

D30 QGD: Capablanca variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nbd2 1/2

D30 QGD: Vienna variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Bb4+ 1/2

D30 QGD: Capablanca-Duras variation
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 1/2

D30 QGD: Hastings variation ; *pwo: w/ 7.Qb3 is D43 semi-Slav Hastings below
;1*d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 7.Qb3*1/2
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 1/2

D31 QGD: 3.Nc3
1.d4 d5 2.c4 e6 3.Nc3 1/2

D31 QGD: Janowski variation
1.d4 d5 2.c4 e6 3.Nc3 a6 1/2

D31 QGD: Alapin variation
1.d4 d5 2.c4 e6 3.Nc3 b6 1/2

D31 QGD: Charousek (Petrosian) variation
1.d4 d5 2.c4 e6 3.Nc3 Be7 1/2

D31 QGD: semi-Slav
1.d4 d5 2.c4 e6 3.Nc3 c6 1/2

D31 QGD: semi-Slav, Noteboom variation
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 1/2

D31 QGD: semi-Slav, Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Qe7 1/2

D31 QGD: semi-Slav, Junge variation
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Qb6 1/2

D31 QGD: semi-Slav, Abrahams variation
1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 a5 1/2

D31 QGD: semi-Slav, Marshall gambit
1.d4 d5 2.c4 e6 3.Nc3 c6 4.e4 1/2

D32 QGD: Tarrasch defence
1.d4 d5 2.c4 e6 3.Nc3 c5 1/2

D32 QGD: Tarrasch, von Hennig-Schara gambit
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 1/2

D32 QGD: Tarrasch defence, 4.cd ed
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 1/2

D32 QGD: Tarrasch defence, Tarrasch gambit
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.dxc5 d4 6.Na4 b5 1/2

D32 QGD: Tarrasch defence, Marshall gambit
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.e4 1/2

D32 QGD: Tarrasch defence
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 1/2

D33 QGD: Tarrasch, Schlechter-Rubinstein system
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 1/2

D33 QGD: Tarrasch, Folkestone (Swedish) variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 1/2

D33 QGD: Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 7.e4 1/2

D33 QGD: Tarrasch, Prague variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 1/2

D33 QGD: Tarrasch, Wagner variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Bg4 1/2

D34 QGD: Tarrasch, Prague variation, 7...Be7
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 1/2

D34 QGD: Tarrasch, Prague variation, Normal position
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7
8.O-O O-O 1/2

D34 QGD: Tarrasch, Reti variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O
9.dxc5 Bxc5 10.Na4 1/2

D34 QGD: Tarrasch, Prague variation, 9.Bg5
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O
9.Bg5 1/2

D34 QGD: Tarrasch, Bogolyubov variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O
9.Bg5 Be6 10.Rc1 c4 1/2

D34 QGD: Tarrasch, Stoltz variation
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O
9.Bg5 Be6 10.Rc1 b6 1/2

D35 QGD: 3...Nf6
1.d4 d5 2.c4 e6 3.Nc3 Nf6 1/2

D35 QGD: Harrwitz attack
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bf4 1/2

D35 QGD: exchange variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 1/2

D35 QGD: exchange variation ; (alt) *pwo
1.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 Nf6 1/2

D35 QGD: exchange, Saemisch variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Nf3 Nbd7 6.Bf4 1/2

D35 QGD: exchange, positional line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 1/2

D35 QGD: exchange, chameleon variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Bd3 Nbd7
8.Qc2 Re8 9.Nge2 Nf8 10.O-O-O 1/2

D35 QGD: exchange, positional line, 5...c6
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 1/2

D36 QGD: exchange, positional line, 6.Qc2
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2 1/2

D37 QGD: 4.Nf3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 1/2

D37 QGD: classical variation (5.Bf4)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 1/2

D38 QGD: Ragozin variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 1/2

D39 QGD: Ragozin, Vienna variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4 1/2

D40 QGD: Semi-Tarrasch defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 1/2

D40 QGD: Semi-Tarrasch, symmetrical variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O 1/2

D40 QGD: Semi-Tarrasch, Levenfish variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O
8.Qe2 Qe7 9.dxc5 Bxc5 10.e4 1/2

D40 QGD: Semi-Tarrasch defence, Pillsbury variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.Bg5 1/2

D41 QGD: Semi-Tarrasch, 5.cd
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 1/2

D41 QGD: Semi-Tarrasch, Kmoch variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4
8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bb5 1/2

D41 QGD: Semi-Tarrasch, San Sebastian variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4
8.cxd4 Bb4+ 9.Bd2 Qa5 1/2

D41 QGD: Semi-Tarrasch with e3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 1/2

D42 QGD: Semi-Tarrasch, 7.Bd3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 1/2

D43 QGD semi-Slav
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 1/2

D43 QGD semi-Slav: Hastings variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3 1/2

D44 QGD semi-Slav: 5.Bg5 dc
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 1/2

D44 QGD semi-Slav: Botvinnik system (anti-Meran)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 1/2

D44 QGD semi-Slav: Ekstrom variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.exf6 gxh4 10.Ne5 1/2

D44 QGD semi-Slav: anti-Meran gambit
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.Nxg5 1/2

D44 QGD semi-Slav: anti-Meran, Lilienthal variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.Nxg5 hxg5 10.Bxg5 Nbd7 11.g3 1/2

D44 QGD semi-Slav: anti-Meran, Szabo variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.Nxg5 hxg5 10.Bxg5 Nbd7 11.Qf3 1/2

D44/7 QGD semi-Slav: anti-Meran, Denker variation ; *pwo (1945)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.Nxg5 hxg5 10.Bxg5 Nbd7 11.exf6 Bb7 12.g3 c5 13.d5 Qb6 14.Bg2 O-O-O
15.O-O b4 16.Na4 Qb5 17.a3 Nb8 18.axb4 cxb4 19.Qg4 Bxd5 20.Rfc1 1/2

D44 QGD semi-Slav: anti-Meran, Alatortsev system
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5
9.Nxg5 Nd5 1/2

D45 QGD semi-Slav: 5.e3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 1/2

D45 QGD semi-Slav: stonewall defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Ne4 6.Bd3 f5 1/2

D45 QGD semi-Slav: accelerated Meran (Alekhine variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 a6 1/2

D45 QGD semi-Slav: 5...Nd7
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 1/2

D45 QGD semi-Slav: Rubinstein (anti-Meran) system
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Ne5 1/2

D46 QGD semi-Slav: Stoltz variation ; (was D45) *pwo
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 1/2

D46 QGD semi-Slav: Stoltz variation ; *pwo
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.e3 Nbd7 6.Qc2 1/2

D46 QGD semi-Slav: Stoltz variation ; *pwo
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Nbd7 6.Qc2 Bd6 7.Be2 O-O
8.O-O dxc4 9.Bxc4 b5 1/2

D46 QGD semi-Slav: 6.Bd3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 1/2

D46 QGD semi-Slav: Bogolyubov variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Be7 1/2

D46 QGD semi-Slav: Romih variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bb4 1/2

D46 QGD semi-Slav: Chigorin defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bd6 1/2

D47 QGD semi-Slav: 7.Bc4
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 1/2

D47 QGD semi-Slav: Meran variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 1/2

D47 QGD semi-Slav: neo-Meran (Lundin variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5
8.Bd3 b4 1/2

D47 QGD semi-Slav: Meran, Wade variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5
8.Bd3 Bb7 1/2

D48 QGD semi-Slav: Meran, 8...a6
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5
8.Bd3 a6 1/2

D48 QGD semi-Slav: Meran, Pirc variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 b4 1/2

D48 QGD semi-Slav: Meran
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 1/2

D48 QGD semi-Slav: Meran, Reynolds' variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.d5 1/2

D48 QGD semi-Slav: Meran, old main line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 1/2

D49 QGD semi-Slav: Meran, Blumenfeld variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 1/2

D49 QGD semi-Slav: Meran, Rabinovich variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Ng4 1/2

D49 QGD semi-Slav: Meran, Sozin variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Nxe5 1/2

D49 QGD semi-Slav: Meran, Stahlberg variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Nxe5 12.Nxe5 axb5 13.Qf3 1/2

D49 QGD semi-Slav: Meran, Sozin variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Nxe5 12.Nxe5 axb5 13.O-O 1/2

D49 QGD semi-Slav: Meran, Rellstab attack
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Nxe5 12.Nxe5 axb5 13.O-O Qd5 14.Qe2 Ba6
15.Bg5 1/2

D50 QGD: 4.Bg5
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 1/2

D50 QGD: Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 1/2

D50 QGD: Semi-Tarrasch, Krause variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.Nf3 cxd4 6.Nxd4 e5 7.Ndb5 a6
8.Qa4 1/2

D50 QGD: Semi-Tarrasch, Primitive Pillsbury variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.Nf3 cxd4 6.Qxd4 1/2

D50 QGD: Semi-Tarrasch
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 1/2

D50 QGD: Canal (Venice) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 Qb6 1/2

D51 QGD: 4.Bg5 Nbd7
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 1/2

D51 QGD: Rochlin variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.Rc1 Qa5 7.Bd2 1/2

D51 QGD: Alekhine variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e4 1/2

D51 QGD
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 1/2

D51 QGD: Manhattan variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 Bb4 1/2

D51 QGD: 5...c6
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 1/2

D51 QGD: Capablanca anti-Cambridge Springs variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.a3 1/2

D52 QGD
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 1/2

D52 QGD: Cambridge Springs defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 1/2

D52 QGD: Cambridge Springs defence, Bogoljubow variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2 Bb4
8.Qc2 1/2

D52 QGD: Cambridge Springs defence, Argentine variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2 Bb4 8.Qc2 O-O
9.Bh4 1/2

D52 QGD: Cambridge Springs defence, Rubinstein variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Nd2 dxc4 1/2

D52 QGD: Cambridge Springs defence, Capablanca variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Bxf6 1/2

D52 QGD: Cambridge Springs defence, 7.cd
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.cxd5 1/2

D52 QGD: Cambridge Springs defence, Yugoslav variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.cxd5 Nxd5 1/2

D53 QGD: 4.Bg5 Be7
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 1/2

D53 QGD: Lasker variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Ne4 1/2

D53 QGD: 4.Bg5 Be7, 5.e3 O-O
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 1/2

D54 QGD: Anti-neo-orthodox variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 1/2

D55 QGD: 6.Nf3
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 1/2

D55 QGD: Pillsbury attack
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 b6 7.Bd3 Bb7 8.cxd5 exd5
9.Ne5 1/2

D55 QGD: Neo-orthodox variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 1/2

D55 QGD: Neo-orthodox variation, 7.Bxf6
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bxf6 1/2

D55 QGD: Petrosian variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.Bd3 Nd7 10.O-O dxc4 11.Bxc4 1/2

D55 QGD: Neo-orthodox variation, 7.Bh4
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 1/2

D56 QGD: Lasker defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 1/2

D56 QGD: Lasker defence, Teichmann variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7
9.Qc2 1/2

D56 QGD: Lasker defence, Russian variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7
9.Qc2 Nf6 10.Bd3 dxc4 11.Bxc4 c5 12.O-O Nc6 13.Rfd1 Bd7 1/2

D57 QGD: Lasker defence, main line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7
9.cxd5 Nxc3 10.bxc3 1/2

D57 QGD: Lasker defence, Bernstein variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7
9.cxd5 Nxc3 10.bxc3 exd5 11.Qb3 Qd6 1/2

D58 QGD: Tartakower (Makagonov-Bondarevsky) system
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 1/2

D59 QGD: Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6
8.cxd5 Nxd5 1/2

D59 QGD: Tartakower variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Rc1 Be6 1/2

D60 QGD: Orthodox defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 1/2

D60 QGD: Orthodox defence, Botvinnik variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Bd3 1/2

D60 QGD: Orthodox defence, Rauzer variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qb3 1/2

D61 QGD: Orthodox defence, Rubinstein variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2 1/2

D62 QGD: Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2 c5
8.cxd5 1/2

D63 QGD: Orthodox defence, 7.Rc1
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 1/2

D63 QGD: Orthodox defence, Pillsbury attack
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 b6
8.cxd5 exd5 9.Bd3 1/2

D63 QGD: Orthodox defence, Capablanca variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 b6
8.cxd5 exd5 9.Bb5 1/2

D63 QGD: Orthodox defence, Swiss (Henneberger) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 a6 1/2

D63 QGD: Orthodox defence, Swiss, Karlsbad variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 a6
8.cxd5 1/2

D63 QGD: Orthodox defence
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 1/2

D64 QGD: Orthodox defence, Rubinstein attack (with Rc1)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Qc2 1/2

D64 QGD: Orthodox defence, Rubinstein attack, Wolf variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Qc2 Ne4 1/2

D64 QGD: Orthodox defence, Rubinstein attack, Karlsbad variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Qc2 a6 1/2

D64 QGD: Orthodox defence, Rubinstein attack, Gruenfeld variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Qc2 a6 9.a3 1/2

D65 QGD: Orthodox defence, Rubinstein attack, main line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Qc2 a6 9.cxd5 1/2

D66 QGD: Orthodox defence, Bd3 line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
8.Bd3 1/2

D66 QGD: Orthodox defence, Bd3 line, fianchetto variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 b5 1/2

D67 QGD: Orthodox defence, Bd3 line, Capablanca freeing manoevre
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 1/2

D67 QGD: Orthodox defence, Bd3 line, Janowski variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.h4 1/2

D67 QGD: Orthodox defence, Bd3 line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 1/2

D67 QGD: Orthodox defence, Bd3 line, Alekhine variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.Ne4 1/2

D67 QGD: Orthodox defence, Bd3 line, 11.O-O
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O 1/2

D68 QGD: Orthodox defence, classical variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 1/2

D68 QGD: Orthodox defence, classical, 13.d1b1 (Maroczy)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.Qb1 1/2

D68 QGD: Orthodox defence, classical, 13.d1c2 (Vidmar)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.Qc2 1/2

D69 QGD: Orthodox defence, classical, 13.de
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.dxe5 Nxe5
14.Nxe5 Qxe5 1/2

D70 Neo-Gruenfeld defence
1.d4 Nf6 2.c4 g6 3.f3 d5 1/2

D70 Neo-Gruenfeld (Kemeri) defence
1.d4 Nf6 2.c4 g6 3.g3 d5 1/2

D71 Neo-Gruenfeld, 5.cd
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5 1/2

D72 Neo-Gruenfeld, 5.cd, main line
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 1/2

D73 Neo-Gruenfeld, 5.Nf3
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 1/2

D74 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O 1/2

D75 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O c5
8.Nc3 1/2

D75 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O c5
8.dxc5 1/2

D76 Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.cxd5 Nxd5 7.O-O Nb6 1/2

D77 Neo-Gruenfeld, 6.O-O
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O 1/2

D78 Neo-Gruenfeld, 6.O-O c6
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 1/2

D79 Neo-Gruenfeld, 6.O-O, main line
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5 1/2

D80 Gruenfeld defence
1.d4 Nf6 2.c4 g6 3.Nc3 d5 1/2

D80 Gruenfeld: Spike gambit
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.g4 1/2

D80 Gruenfeld: Stockholm variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 1/2

D80 Gruenfeld: Lundin variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 Ne4 5.Nxe4 dxe4 6.Qd2 c5 1/2

D81 Gruenfeld: Russian variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 1/2

D82 Gruenfeld: 4.Bf4
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 1/2

D83 Gruenfeld: Gruenfeld gambit
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 1/2

D83 Gruenfeld: Gruenfeld gambit, Capablanca variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 1/2

D83 Gruenfeld: Gruenfeld gambit, Botvinnik variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Be6 1/2

D84 Gruenfeld: Gruenfeld gambit accepted
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5
8.Bxc7 1/2

D85 Gruenfeld: exchange variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 1/2

D85 Gruenfeld: modern exchange variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 1/2

D86 Gruenfeld: exchange, classical variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 1/2

D86 Gruenfeld: exchange, Larsen variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O
8.Ne2 Qd7 9.O-O b6 1/2

D86 Gruenfeld: exchange, Simagin's lesser variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O
8.Ne2 b6 1/2

D86 Gruenfeld: exchange, Simagin's improved variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O
8.Ne2 Nc6 1/2

D87 Gruenfeld: exchange, Spassky variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O
8.Ne2 c5 1/2

D87 Gruenfeld: exchange, Seville variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5
9.O-O Nc6 10.Be3 Bg4 11.f3 Na5 12.Bxf7+ 1/2

D88 Gruenfeld: Spassky variation, main line, 10...cd, 11.cd
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5
9.O-O Nc6 10.Be3 cxd4 11.cxd4 1/2

D89 Gruenfeld: Spassky variation, main line, 13.Bd3
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5
9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3 Na5 13.Bd3 Be6 1/2

D89 Gruenfeld: exchange, Sokolsky variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5
9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3 Na5 13.Bd3 Be6 14.d5 1/2

D90 Gruenfeld: Three knights variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 1/2

D90 Gruenfeld: Schlechter variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 c6 1/2

D90 Gruenfeld: Three knights variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 1/2

D90 Gruenfeld: Flohr variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qa4+ 1/2

D91 Gruenfeld: 5.Bg5
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 1/2

D92 Gruenfeld: 5.Bf4
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 1/2

D93 Gruenfeld with Bf4 e3
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 1/2

D94 Gruenfeld: closed with 4...g6 ; *pwo: an odd D94 line that does not mix with others
1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.e3 g6 5.Nf3 Bg7 6.Be2 O-O 7.O-O 1/2

D94 Gruenfeld: 5.e3
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 1/2

D94 Gruenfeld: Makogonov variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.b4 1/2

D94 Gruenfeld: Opovcensky variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2 1/2

D94 Gruenfeld with e3 Bd3
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 1/2

D94 Gruenfeld: Smyslov defence
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bg4 1/2

D94 Gruenfeld: Flohr defence
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bf5 1/2

D95 Gruenfeld with e3 & Qb3
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 1/2

D95 Gruenfeld: Botvinnik variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 e6 1/2

D95 Gruenfeld: Pachman variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nbd7
8.Ng5 1/2

D96 Gruenfeld: Russian variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 1/2

D97 Gruenfeld: Russian variation with e4
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 1/2

D97 Gruenfeld: Russian, Alekhine (Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 a6 1/2

D97 Gruenfeld: Russian, Szabo (Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6 1/2

D97 Gruenfeld: Russian, Levenfish variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 b6 1/2

D97 Gruenfeld: Russian, Byrne (Simagin) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Nc6 1/2

D97 Gruenfeld: Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Na6 1/2

D98 Gruenfeld: Russian, Smyslov variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 1/2

D98 Gruenfeld: Russian, Keres variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4
8.Be3 Nfd7 9.Be2 Nb6 10.Qd3 Nc6 11.O-O-O 1/2

D99 Gruenfeld defence: Smyslov, main line
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4
8.Be3 Nfd7 9.Qb3 1/2

D99 Gruenfeld defence: Smyslov, Yugoslav variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4
8.Be3 Nfd7 9.Qb3 c5 1/2

E00 Queen's pawn game
1.d4 Nf6 2.c4 e6 1/2

E00 Neo-Indian (Seirawan) attack
1.d4 Nf6 2.c4 e6 3.Bg5 1/2

E00 Catalan opening
1.d4 Nf6 2.c4 e6 3.g3 1/2

E01 Catalan: closed
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 1/2

E02 Catalan: open, 5.Qa4
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ 1/2

E03 Catalan: open, Alekhine variation
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 1/2

E03 Catalan: open, 5.Qa4 Nbd7, 6.Qxc4
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 1/2

E04 Catalan: open, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 1/2

E05 Catalan: open, classical line
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 1/2

E06 Catalan: closed, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 1/2

E07 Catalan: closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 1/2

E07 Catalan: closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Nc3 c6
8.Qd3 1/2

E08 Catalan: closed, 7.Qc2
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 1/2

E08 Catalan: closed, Zagoryansky variation
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6
8.Rd1 b6 9.a4 1/2

E08 Catalan: closed, Qc2 & b3
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6
8.b3 1/2

E08 Catalan: closed, Spassky gambit
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 b6
9.Rd1 Bb7 10.Nc3 b5 1/2

E09 Catalan: closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6
8.Nbd2 1/2

E09 Catalan: closed, Sokolsky variation
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6
9.b3 a5 10.Bb2 Ba6 1/2

E10 Queen's pawn game
1.d4 Nf6 2.c4 e6 3.Nf3 1/2

E10 Blumenfeld counter-gambit
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 1/2

E10 Blumenfeld counter-gambit accepted
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5 1/2

E10 Blumenfeld counter-gambit, Dus-Chotimursky variation
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 1/2

E10 Blumenfeld counter-gambit, Spielmann variation
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 h6 1/2

E10 Dzindzikhashvili defence
1.d4 Nf6 2.c4 e6 3.Nf3 a6 1/2

E10 Doery defence
1.d4 Nf6 2.c4 e6 3.Nf3 Ne4 1/2

E11 Bogo-Indian defence
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 1/2

E11 Bogo-Indian defence, Gruenfeld variation
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 1/2

E11 Bogo-Indian defence, Nimzovich variation
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 1/2

E11 Bogo-Indian defence, Monticelli trap
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 b6 6.g3 Bb7 7.Bg2 O-O
8.Nc3 Ne4 9.Qc2 Nxc3 10.Ng5 1/2

E12 Queen's Indian defence
1.d4 Nf6 2.c4 e6 3.Nf3 b6 1/2

E12 Queen's Indian: Miles variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Bf4 1/2

E12 Queen's Indian: Petrosian system
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 1/2

E12 Queen's Indian: 4.Nc3
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 1/2

E12 Queen's Indian: 4.Nc3, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 g5 7.Bg3 Nh5 1/2

E13 Queen's Indian: 4.Nc3, main line
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 Bb4 1/2

E14 Queen's Indian: 4.e3
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 1/2

E14 Queen's Indian: Averbakh variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O
8.Bb2 cxd4 9.Nxd4 1/2

E15 Queen's Indian: 4.g3
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 1/2

E15 Queen's Indian: Nimzovich variation (exaggerated fianchetto)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 1/2

E15 Queen's Indian: 4.g3 Bb7
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 1/2

E15 Queen's Indian: Rubinstein variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4 1/2

E15 Queen's Indian: Buerger variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Ng5 1/2

E16 Queen's Indian: Capablanca variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 1/2

E16 Queen's Indian: Yates variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 a5 1/2

E16 Queen's Indian: Riumin variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 1/2

E17 Queen's Indian: 5.Bg2 Be7
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 1/2

E17 Queen's Indian: anti-Queen's Indian system
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 1/2

E17 Queen's Indian: Opovcensky variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2 1/2

E17 Queen's Indian: old main line, 6.O-O
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O 1/2

E17 Queen's Indian: Euwe variation
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 1/2

E18 Queen's Indian: old main line, 7.Nc3
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 1/2

E19 Queen's Indian: old main line, 9.Qxc3
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3
9.Qxc3 1/2

E20 Nimzo-Indian defence
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 1/2

E20 Nimzo-Indian: Kmoch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 1/2

E20 Nimzo-Indian: Mikenas attack
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qd3 1/2

E20 Nimzo-Indian: Romanishin-Kasparov (Steiner) system
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 1/2

E21 Nimzo-Indian: three knights variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 1/2

E21 Nimzo-Indian: three knights, Korchnoi variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5 1/2

E21 Nimzo-Indian: three knights, Euwe variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5 Ne4 1/2

E22 Nimzo-Indian: Spielmann variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 1/2

E23 Nimzo-Indian: Spielmann, 4...c5, 5.dc Nc6
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 1/2

E23 Nimzo-Indian: Spielmann, Karlsbad variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4
7.Bd2 Nxd2 1/2

E23 Nimzo-Indian: Spielmann, San Remo variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4
7.Bd2 Nxc5 1/2

E23 Nimzo-Indian: Spielmann, Staahlberg variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxc5
8.Qc2 f5 9.g3 1/2

E24 Nimzo-Indian: Saemisch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 1/2

E24 Nimzo-Indian: Saemisch, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.e3 O-O
8.cxd5 Nxd5 1/2

E25 Nimzo-Indian: Saemisch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 1/2

E25 Nimzo-Indian: Saemisch, Keres variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5
8.dxc5 1/2

E25 Nimzo-Indian: Saemisch, Romanovsky variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5
8.dxc5 f5 1/2

E26 Nimzo-Indian: Saemisch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 1/2

E26 Nimzo-Indian: Saemisch, O'Kelly variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 b6 1/2

E27 Nimzo-Indian: Saemisch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 1/2

E28 Nimzo-Indian: Saemisch variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 1/2

E29 Nimzo-Indian: Saemisch, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 1/2

E29 Nimzo-Indian: Saemisch, Capablanca variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 b6
9.e4 Ne8 1/2

E30 Nimzo-Indian: Leningrad variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 1/2

E30 Nimzo-Indian: Leningrad, ...b5 gambit
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 b5 1/2

E31 Nimzo-Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 1/2

E32 Nimzo-Indian: classical variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 1/2

E32 Nimzo-Indian: classical, Adorjan gambit
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b5 1/2

E33 Nimzo-Indian: classical, 4...Nc6
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 1/2

E33 Nimzo-Indian: classical, Milner-Barry (Zurich) variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 1/2

E34 Nimzo-Indian: classical, Noa variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 1/2

E35 Nimzo-Indian: classical, Noa variation, 5.cd ed
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 1/2

E36 Nimzo-Indian: classical, Noa variation, 5.a3
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 1/2

E36 Nimzo-Indian: classical, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Nc6 1/2

E36 Nimzo-Indian: classical, Noa variation, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 1/2

E37 Nimzo-Indian: classical, Noa variation, main line, 7.Qc2 ; *pwo ext c5
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 c5 1/2

E37 Nimzo-Indian: classical, San Remo variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 Nc6
8.e3 e5 1/2

E38 Nimzo-Indian: classical, 4...c5
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 1/2

E38/2 Nimzo-Indian: classical, 4...c5, 5...Na6 ; *pwo
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Na6 6.a3 Bxc3+ 7.Qxc3 Nxc5
8.b4 Nce4 9.Qd4 d5 10.c5 1/2

E39 Nimzo-Indian: classical, Pirc variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 1/2

E40 Nimzo-Indian: 4.e3
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 1/2

E40 Nimzo-Indian: 4.e3, Taimanov variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Nc6 1/2

E41 Nimzo-Indian: 4.e3 c5
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 1/2

E41 Nimzo-Indian: e3, Huebner variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 1/2

E42 Nimzo-Indian: 4.e3 c5, 5.Ne2 (Rubinstein)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nge2 1/2

E43 Nimzo-Indian: Fischer variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 1/2

E44 Nimzo-Indian: Fischer variation, 5.Ne2
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nge2 1/2

E45 Nimzo-Indian: 4.e3, Bronstein (Byrne) variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nge2 Ba6 1/2

E46 Nimzo-Indian: 4.e3 O-O
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 1/2

E46 Nimzo-Indian: Reshevsky variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nge2 1/2

E46 Nimzo-Indian: Simagin variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nge2 d5 6.a3 Bd6 1/2

E47 Nimzo-Indian: 4.e3 O-O, 5.Bd3
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 1/2

E48 Nimzo-Indian: 4.e3 O-O, 5.Bd3 d5
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 1/2

E49 Nimzo-Indian: 4.e3, Botvinnik system
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 1/2

E50 Nimzo-Indian: 4.e3 O-O, 5.Nf3, without ...d5 ; (modf) *pwo
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 1/2

E51 Nimzo-Indian: 4.e3 O-O, 5.Nf3 d5 ; (modf) *pwo
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 1/2

E51 Nimzo-Indian: 4.e3, Ragozin variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6 7.O-O dxc4 1/2

E52 Nimzo-Indian: 4.e3, main line with ...b6
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 1/2

E53 Nimzo-Indian: 4.e3, main line with ...c5
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 1/2

E53 Nimzo-Indian: 4.e3, Keres variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O b6 1/2

E53 Nimzo-Indian: 4.e3, Gligoric system with 7...Nbd7
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nbd7 1/2

E54 Nimzo-Indian: 4.e3, Gligoric system with 7...dc
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4
8.Bxc4 1/2

E54 Nimzo-Indian: 4.e3, Gligoric system, Smyslov variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4
8.Bxc4 Qe7 1/2

E55 Nimzo-Indian: 4.e3, Gligoric system, Bronstein variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4
8.Bxc4 Nbd7 1/2

E56 Nimzo-Indian: 4.e3, main line with 7...Nc6
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 1/2

E57 Nimzo-Indian: 4.e3, main line with 8...dc and 9...cd
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6
8.a3 dxc4 9.Bxc4 cxd4 1/2

E58 Nimzo-Indian: 4.e3, main line with 8...Bxc3
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6
8.a3 Bxc3 9.bxc3 1/2

E59 Nimzo-Indian: 4.e3, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6
8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 1/2

E60 King's Indian defence
1.d4 Nf6 2.c4 g6 1/2

E60 King's Indian, 3.Nf3 ; (extended) *pwo
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 1/2

E60 King's Indian: fianchetto variation ;  *pwo
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O 1/2

E60/10 King's Indian: fianchetto, Yugoslav system ; *pwo (per Gufeld,WWtKI)
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O c5 7.dxc5 dxc5 1/2

E60 Queen's pawn: Mengarini attack
1.d4 Nf6 2.c4 g6 3.Qc2 1/2

E60 King's Indian: Anti-Gruenfeld
1.d4 Nf6 2.c4 g6 3.d5 1/2

E60 King's Indian: Danube gambit
1.d4 Nf6 2.c4 g6 3.d5 b5 1/2

E60 King's Indian: 3.g3
1.d4 Nf6 2.c4 g6 3.g3 1/2

E60 King's Indian: 3.g3, counterthrust variation
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 1/2

E61 King's Indian defence, 3.Nc3
1.d4 Nf6 2.c4 g6 3.Nc3 1/2

E61 King's Indian: Smyslov system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.Bg5 1/2

E62 King's Indian: fianchetto variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 1/2

E62 King's Indian: fianchetto, Larsen system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O Bf5 1/2

E62 King's Indian: fianchetto, Kavalek (Bronstein) variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O Qa5 1/2

E62 King's Indian: fianchetto with ...Nc6
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 1/2

E62 King's Indian: fianchetto, Uhlmann (Szabo) variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O e5 1/2

E62 King's Indian: fianchetto, lesser Simagin (Spassky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O Bf5 1/2

E62 King's Indian: fianchetto, Simagin variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O Bg4 1/2

E63 King's Indian: fianchetto, Panno system ; *pwo: was "Panno variation"
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 1/2

E63 King's Indian: fianchetto, Panno system ; (alt) *pwo
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nc6 7.Nc3 a6 8.d5 1/2

E64 King's Indian: fianchetto, Yugoslav system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 1/2

E65 King's Indian: fianchetto, Yugoslav, 7.O-O
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O 1/2

E66 King's Indian: fianchetto, Yugoslav Panno ; (extended) *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O Nc6
8.d5 Na5 9.Nd2 a6 10.Qc2 Rb8 11.b3 b5 1/2

E67 King's Indian: fianchetto with ...Nd7
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 1/2

E67 King's Indian: fianchetto, classical variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 1/2

E68 King's Indian: fianchetto, classical variation, 8.e4
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5
8.e4 1/2

E69 King's Indian: fianchetto, classical main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6
9.h3 1/2

E70 King's Indian: 4.e4
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 1/2

E70 King's Indian: Kramer system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 1/2

E70 King's Indian: accelerated Averbakh system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 1/2

E71 King's Indian: Makagonov system (5.h3)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 1/2

E72 King's Indian with e4 & g3
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 1/2

E72 King's Indian: Pomar system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 O-O 6.Bg2 e5 7.Nge2 1/2

E73 King's Indian: 5.Be2
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 1/2

E73 King's Indian: Semi-Averbakh system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3 1/2

E73 King's Indian: Averbakh system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 1/2

E74 King's Indian: Averbakh, 6...c5
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 1/2

E75 King's Indian: Averbakh, main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 e6 1/2

E76 King's Indian: Four pawns attack
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 1/2

E76 King's Indian: Four pawns attack, dynamic line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Nf3 c5 7.d5 1/2

E77 King's Indian: Four pawns attack, 6.Be2
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 1/2

E77 King's Indian: Six pawns attack
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.dxe6 fxe6
9.g4 Nc6 10.h4 1/2

E77 King's Indian: Four pawns attack
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.Nf3 1/2

E77 King's Indian: Four pawns attack, Florentine gambit
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.d5 e6 8.Nf3 exd5
9.e5 1/2

E78 King's Indian: Four pawns attack, with Be2 and Nf3
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 1/2

E79 King's Indian: Four pawns attack, main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 cxd4 8.Nxd4 Nc6
9.Be3 1/2

E80 King's Indian: Saemisch variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 1/2

E81 King's Indian: Saemisch, 5...O-O
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 1/2

E81 King's Indian: Saemisch, Byrne variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c6 7.Bd3 a6 1/2

E82 King's Indian: Saemisch, double fianchetto variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 1/2

E83 King's Indian: Saemisch, 6...Nc6
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 1/2

;E83 King's Indian: Saemisch, Ruban variation
E83 King's Indian: Saemisch, Zaitsev variation ; *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 Rb8 1/2

E83 King's Indian: Saemisch, Panno formation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 1/2

E84 King's Indian: Saemisch, Panno main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6
8.Qd2 Rb8 1/2

E85 King's Indian: Saemisch, orthodox variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 1/2

E86 King's Indian: Saemisch, orthodox, 7.Nge2 c6
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 1/2

E87 King's Indian: Saemisch, orthodox, 7.d5
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 1/2

E87 King's Indian: Saemisch, orthodox, Bronstein variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Nh5 8.Qd2 Qh4+
9.g3 Nxg3 10.Qf2 Nxf1 11.Qxh4 Nxe3 12.Ke2 Nxc4 1/2

E88 King's Indian: Saemisch, orthodox, 7.d5 c6
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 1/2

E89 King's Indian: Saemisch, orthodox main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6
8.Nge2 cxd5 1/2

E90 King's Indian: 5.Nf3
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 1/2

E90 King's Indian: Larsen variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be3 1/2

E90 King's Indian: Zinnowitz variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Bg5 1/2

E91 King's Indian: 6.Be2
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 1/2

E91 King's Indian: Kazakh variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Na6 1/2

E92 King's Indian: classical variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 1/2

E92 King's Indian: Andersson variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.dxe5 1/2

E92 King's Indian: Gligoric-Taimanov system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 1/2

E92 King's Indian: Petrosian system
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 1/2

E92 King's Indian: Petrosian system, Stein variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 1/2

E93 King's Indian: Petrosian system, main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 1/2

E93 King's Indian: Petrosian system, Keres variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 8.Bg5 h6
9.Bh4 g5 10.Bg3 Nh5 11.h4 1/2

E94 King's Indian: orthodox variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O 1/2

E94 King's Indian: orthodox, Donner variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O c6 1/2

E94 King's Indian: orthodox, 7...Nbd7
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Be3
c6 9.d5 c5 10.Ne1 Ne8 1/2

E94/26 King's Indian: orthodox, Gelfand variation ; *pwo ECO note 147
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Be3
c6 9.d5 c5 10.Ne1 Ne8 11.g4 1/2

E94/8 King's Indian: orthodox, 7...Na6 ; *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Na6 8.Be3
Ng4 9.Bg5 Qe8 1/2

E94/8 King's Indian: orthodox, Bonsch-Gurevich variation ; *pwo ECO note 44
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Na6 8.Be3
Ng4 9.Bg5 Qe8 10.dxe5 dxe5 11.h3 h6 12.Bd2 Nf6 13.Be3 Nh5 14.c5
Nf4 15.Bb5 Qe6 16.Re1 1/2

E94/9 King's Indian: orthodox, 8.Re1 ; *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Na6 8.Re1
c6 9.Bf1 1/2

E95 King's Indian: orthodox, 7...Nbd7, 8.Re1
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7
8.Re1 1/2

E96 King's Indian: orthodox, 7...Nbd7, main line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7
8.Re1 c6 9.Bf1 a5 1/2

E97 King's Indian: orthodox, Aronin-Taimanov variation
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 1/2

E97 King's Indian: orthodox, Aronin-Taimanov, bayonet attack
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.b4 1/2

E97/28 King's Indian: orthodox, Aronin-Taimanov with 9.Nd2 ; *pwo ECO note 175
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.Nd2 a5 10.a3 Nd7 11.Rb1 f5 12.b4 Kh8 13.f3 Ng8 14.Qc2 Ngf6
15.Nb5 axb4 16.axb4 Nh5 17.g3 Ndf6 1/2

E98 King's Indian: orthodox, Aronin-Taimanov, 9.Ne1
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.Ne1 1/2

E99 King's Indian: orthodox, Aronin-Taimanov, main line ; (Be3>Nd3) *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.Ne1 Nd7 10.f3 f5 11.Nd3 1/2

E99/3 King's Indian: orthodox, Aronin-Taimanov, main line ; (alt) *pwo
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7
9.Ne1 Nd7 10.Be3 f5 11.f3 f4 12.Bf2 g5 13.a4 Ng6 1/2

E99 King's Indian: orthodox, Aronin-Taimanov, Benko attack
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7
9.Ne1 Nd7 10.f3 f5 11.g4 1/2