Blog post

The term chess opening refers to the group of the initial moves of a chess game. The study of chess openings, as been a major part of the game, devoted to analyzing the strengths and weaknesses of various sequences. Nowadays, the Encyclopaedia of Chess Openings (ECO) is the most comprehensive collection of chess openings. It's a book collection (now is also as a computer database) collecting the chess openings taken from hundreds of thousands of games between masters. ECO consists of a coding system that has been widely-used and adopted by chess publications, software and databases. It is splitted into 5 separate volumes covering different categories of openings. Volume A collects all uncommon and flank openings. Volume B includes Black's replies to King's Pawn Game (1. e4), mainly the Caro-Kann and the Sicilian. Volume C looks at the semi-open game with the French Defense and the open game with the Ruy Lopez Opening. Volume D does likewise with the closed game including the Grunfeld systems. Volume E is a study of Indian systems.

In the panel groups below, I have collected the complete list of ECO openings and their main variations (500 Codes with 2013 openings in total). The aim of this collection is to be used mainly as a reference. After selecting the desired group, the corresponding list of openings will appear. The ECO Code, the opening name and the algebraic notation of the moves are provided. Also, by clicking on the title of each opening you can see the snapshot of the resulting chessboard with its FEN notation.

A00 Grob's Attack (Spike Attack)
1.g4 d5 2.Bg2 c6 3.g5
A00 Grob's Attack (Fritz Gambit)
1.g4 d5 2.Bg2 Bxg4 3.c4
A00 Global Opening
1.h3 e5 2.a3
A00 Amar Opening (Gambit)
1.Nh3 d5 2.g3 e5 3.f4 Bxh3 4.Bxh3 exf4
A00 Novosibirsk Opening
1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4
A00 Crab Opening
1.a4 e5 2.h4
A00 Valencia Opening
1.d3 e5 2.Nd2
A00 Venezolana Opening
1.d3 c5 2.Nc3 Nc6 3.g3
A00 Amsterdam Attack
1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6
A00 Hammerschlag
1.f3 e5 2.Kf2
A02 Bird's Opening (From Gambit, Lasker Variation)
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 g5
A02 Bird's Opening (From Gambit, Lipke Variation)
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 Nh6 5.d4
A02 Bird's Opening (Swiss Gambit)
1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4
A03 Bird's Opening (Lasker Variation)
1.f4 d5 2.Nf3 Nf6 3.e3 c5
A07 King's Indian Attack (Reti Opening, Pachman System)
1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.O-O e5 5.d3 Ne7
A08 King's Indian Attack (Reti Opening, French Variation)
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
A12 English Opening (Torre defensive System)
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bg4
A12 English Opening (London defensive System)
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5
A12 English Opening (Bled Variation)
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 g6
A12 English Opening (Capablanca's Variation)
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.Bb2 Bg4
A13 English Opening (Romanishin Gambit)
1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5
A13 English Opening (Wimpey System)
1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3
A13 English Opening (Neo-Catalan)
1.c4 e6 2.Nf3 d5 3.g3 Nf6
A13 English Opening (Neo-Catalan Accepted)
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4
A14 English Opening (Neo-Catalan declined)
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O
A14 English Opening (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
A15 English Opening
1.c4 Nf6 2.Nf3
A16 English Opening
1.c4 Nf6 2.Nc3
A16 English Opening (Anglo-Gruenfeld Defence, Smyslov Defence)
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3
A16 English Opening (Anglo-Gruenfeld Defence, Czech Defence)
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6
A16 English Opening (Anglo-Gruenfeld Defence)
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3
A16 English Opening (Anglo-Gruenfeld Defence, Korchnoi Variation)
1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5
A17 English Opening
1.c4 Nf6 2.Nc3 e6
A17 English Opening (Queen's Indian, Romanishin Variation)
1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.e4 Bb7 5.Bd3
A21 English Opening
1.c4 e5 2.Nc3
A21 English Opening (Troeger Defence)
1.c4 e5 2.Nc3 d6 3.g3 Be6 4.Bg2 Nc6
A21 English Opening
1.c4 e5 2.Nc3 d6 3.Nf3
A21 English Opening (Smyslov Defence)
1.c4 e5 2.Nc3 d6 3.Nf3 Bg4
A22 English Opening
1.c4 e5 2.Nc3 Nf6
A22 English Opening (Bellon Gambit)
1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5
A25 English Opening (Closed)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7
A25 English Opening (Closed, Taimanov Variation)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Nh6
A25 English Opening (Closed, Hort Variation)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6
A25 English Opening (Closed, 5.Rb1)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1
A25 English Opening (Closed, 5.Rb1 Taimanov Variation)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 Nh6
A25 English Opening (Closed, without ...d6)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3
A26 English Opening (Closed)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6
A26 English Opening (Botvinnik System)
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4
A28 English Opening (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
A28 English Opening (Bradley Beach Variation)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4
A28 English Opening (Four Knights, 4.e3)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3
A28 English Opening (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
A28 English Opening (Four Knights, Romanishin Variation)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3
A30 English Opening (Symmetrical Variation, hedgehog System)
1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7
A30 English Opening (Symmetrical Variation, 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
A32 English Opening (Symmetrical Variation)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6
A33 English Opening (Symmetrical Variation)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6
A33 English Opening (Symmetrical Variation, Geller Variation)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6
A34 English Opening (Symmetrical Variation, Rubinstein System)
1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7
A36 English Opening (ultra-symmetrical Variation)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7
A37 English Opening (Symmetrical Variation)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3
A38 English Opening (Symmetrical Variation)
1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6
A38 English Opening (Symmetrical Variation, 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
A38 English Opening (Symmetrical Variation, 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
A39 English Opening (Symmetrical Variation, 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
A40 Queen's Pawn Game (Englund Gambit)
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 f6 5.exf6 Nxf6
A40 Beefeater Defence
1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 Bxc3 5.bxc3 f5
A41 Modern Defence
1.d4 d6 2.c4 g6 3.Nc3 Bg7
A41 Robatsch Defence (Rossolimo Variation)
1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c4 Bg4
A42 Modern Defence (Averbakh System)
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4
A42 Pterodactyl Defence
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 c5 5.Nf3 Qa5
A43 Woozle Defence
1.d4 c5 2.d5 Nf6 3.Nc3 Qa5
A43 Hawk Defence
1.d4 c5 2.d5 Nf6 3.Nf3 c4
A44 Semi-Benoni
1.d4 c5 2.d5 e5 3.e4 d6
A45 Canard Opening
1.d4 Nf6 2.f4
A45 Paleface Attack
1.d4 Nf6 2.f3
A45 Blackmar-Diemer Gambit
1.d4 Nf6 2.f3 d5 3.e4
A45 Gedult Attack
1.d4 Nf6 2.f3 d5 3.g4
A45 Trompowsky Attack
1.d4 Nf6 2.Bg5
A46 Queen's Pawn Game
1.d4 Nf6 2.Nf3
A46 Doery Defence
1.d4 Nf6 2.Nf3 Ne4
A47 Queen's Indian Defence (Marienbad System)
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5
A47 Queen's Indian Defence (Marienbad System, Berg Variation)
1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4
A50 Queen's Pawn Game
1.d4 Nf6 2.c4
A52 Budapest Defence
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4
A52 Budapest Defence (Adler Variation)
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Nf3
A52 Budapest Defence (Rubinstein Variation)
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4
A52 Budapest Defence (Alekhine Variation)
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4
A52 Budapest Defence (Alekhine, Abonyi Variation)
1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nec6
A53 Old Indian Defence
1.d4 Nf6 2.c4 d6
A54 Old Indian Defence (Dus-Khotimirsky Variation)
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.e3 Nbd7 5.Bd3
A55 Old Indian Defence (Main line)
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4
A56 Benoni Defence
1.d4 Nf6 2.c4 c5
A56 Benoni Defence (Hromodka System)
1.d4 Nf6 2.c4 c5 3.d5 d6
A56 Vulture Defence
1.d4 Nf6 2.c4 c5 3.d5 Ne4
A57 Benko Defence (Gambit)
1.d4 Nf6 2.c4 c5 3.d5 b5
A57 Benko Defence (Gambit, Half Accepted)
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6
A57 Benko Defence (Gambit, Zaitsev System)
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3
A57 Benko Defence (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
A58 Benko Defence (Gambit, Accepted)
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6
A58 Benko Defence (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
A58 Benko Defence (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
A59 Benko Defence (Gambit, 7.e4)
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4
A59 Benko Defence (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
A59 Benko Defence (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
A59 Benko Defence (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
A60 Benoni Defence
1.d4 Nf6 2.c4 c5 3.d5 e6
A61 Benoni Defence
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6
A61 Benoni Defence (Uhlmann Variation)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bg5
A61 Benoni Defence (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
A61 Benoni Defence (Fianchetto Variation)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3
A62 Benoni Defence (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
A63 Benoni Defence (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
A64 Benoni Defence (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
A65 Benoni Defence (60000)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4
A66 Benoni Defence (pawn Storm Variation)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4
A66 Benoni Defence (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
A67 Benoni Defence (Taimanov Variation)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5
A68 Benoni Defence (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
A69 Benoni Defence (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
A70 Benoni Defence (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
A70 Benoni Defence (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
A71 Benoni Defence (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
A72 Benoni Defence (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
A73 Benoni Defence (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
A74 Benoni Defence (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
A75 Benoni Defence (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
A76 Benoni Defence (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
A77 Benoni Defence (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
A78 Benoni Defence (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
A79 Benoni Defence (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
A81 Dutch Defence
1.d4 f5 2.g3
A81 Dutch Defence (Blackburne Variation)
1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nh3
A81 Dutch Defence
1.d4 f5 2.g3 Nf6 3.Bg2 g6
A81 Dutch Defence (Leningrad, Basman System)
1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nf3 c6 5.O-O Nh6
A83 Dutch Defence (Staunton Gambit, Alekhine Variation)
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.h4
A83 Dutch Defence (Staunton Gambit, Lasker Variation)
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.f3
A84 Dutch Defence
1.d4 f5 2.c4
A84 Dutch Defence (Bladel Variation)
1.d4 f5 2.c4 g6 3.Nc3 Nh6
A84 Dutch Defence
1.d4 f5 2.c4 e6
A84 Dutch Defence
1.d4 f5 2.c4 Nf6
A86 Dutch Defence (Hort-Antoshin System)
1.d4 f5 2.c4 Nf6 3.g3 d6 4.Bg2 c6 5.Nc3 Qc7
A87 Dutch Defence (Leningrad, main Variation)
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3
A88 Dutch Defence (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
A89 Dutch Defence (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
A90 Dutch Defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2
A90 Dutch Defence (Dutch-Indian, Alekhine Variation)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4 5.Bd2 Be7
A91 Dutch Defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7
A92 Dutch Defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O
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
A92 Dutch Defence (Stonewall Variation)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5
A92 Dutch Defence (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
A93 Dutch Defence (Stonewall, Botvinnik Variation)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3
A94 Dutch Defence (Stonewall With Ba3)
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
A95 Dutch Defence (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
A95 Dutch Defence (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
A96 Dutch Defence (Classical Variation)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6
A97 Dutch Defence (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
A97 Dutch Defence (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
A98 Dutch Defence (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
A99 Dutch Defence (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
B01 Scandinavian Defence (Lasker Variation)
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bg4 6.h3
B01 Scandinavian Defence
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bf5
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
B01 Scandinavian Defence (Anderssen Counter-attack)
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5
B01 Scandinavian Defence (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
B01 Scandinavian Defence (Anderssen Counter-attack, Collijn Variation)
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 e5 5.Nf3 Bg4
B01 Scandinavian Defence (Mieses-Kotrvc Gambit)
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4
B01 Scandinavian Defence
1.e4 d5 2.exd5 Nf6
B01 Scandinavian Defence (Gambit)
1.e4 d5 2.exd5 Nf6 3.c4 c6
B01 Scandinavian Defence
1.e4 d5 2.exd5 Nf6 3.d4
B01 Scandinavian Defence (Kiel Variation)
1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.c4 Nb4
B02 Alekhine's Defence (Spielmann Variation)
1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.e6
B02 Alekhine's Defence
1.e4 Nf6 2.e5 Nd5
B02 Alekhine's Defence (Kmoch Variation)
1.e4 Nf6 2.e5 Nd5 3.Bc4 Nb6 4.Bb3 c5 5.d3
B02 Alekhine's Defence
1.e4 Nf6 2.e5 Nd5 3.c4
B02 Alekhine's Defence (Steiner Variation)
1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3
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
B03 Alekhine's Defence
1.e4 Nf6 2.e5 Nd5 3.d4
B03 Alekhine's Defence
1.e4 Nf6 2.e5 Nd5 3.d4 d6
B03 Alekhine's Defence (Balogh Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4
B03 Alekhine's Defence
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4
B03 Alekhine's Defence (Exchange Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6
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
B03 Alekhine's Defence (Four Pawns Attack)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4
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
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
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
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
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
B03 Alekhine's Defence (Four Pawns Attack, Planinc Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 g5
B03 Alekhine's Defence (Four Pawns Attack, Trifunovic Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 Bf5
B04 Alekhine's Defence (Modern Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3
B04 Alekhine's Defence (Modern, Larsen Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5
B04 Alekhine's Defence (Modern, Schmid Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Nb6
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
B05 Alekhine's Defence (Modern Variation, 4...Bg4)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4
B05 Alekhine's Defence (Modern, Flohr Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6
B05 Alekhine's Defence (Modern, Panov Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.h3
B05 Alekhine's Defence (Modern, Alekhine Variation)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4
B05 Alekhine's Defence (Modern, Vitolins Attack)
1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.c4 Nb6 6.d5
B06 Norwegian Defence
1.e4 g6 2.d4 Nf6 3.e5 Nh5 4.g4 Ng7
B06 Robatsch Defence
1.e4 g6 2.d4 Bg7
B06 Robatsch Defence
1.e4 g6 2.d4 Bg7 3.Nc3
B06 Robatsch Defence (Gurgenidze Variation)
1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 d5 5.e5 h5
B06 Robatsch Defence
1.e4 g6 2.d4 Bg7 3.Nc3 d6
B06 Robatsch Defence (Two Knights Variation)
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3
B06 Robatsch Defence (Pseudo-Austrian Attack)
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4
B07 Pirc Defence
1.e4 d6 2.d4 Nf6 3.Nc3
B07 Pirc Defence
1.e4 d6 2.d4 Nf6 3.Nc3 g6
B07 Pirc Defence (150 Attack)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 c6 5.Qd2
B07 Pirc Defence (Sveshnikov System)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3
B07 Pirc Defence (Holmov System)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4
B07 Pirc Defence (Byrne Variation)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5
B07 Pirc Defence
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2
B07 Pirc Defence (Chinese Variation)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g4
B07 Pirc Defence (Bayonet Attack)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h4
B07 Robatsch Defence (Geller's System)
1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c3
B08 Pirc Defence (Classical System)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3
B08 Pirc Defence (Classical System)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7
B08 Pirc Defence (Classical System, h3 System)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3
B08 Pirc Defence (Classical System, 5.Be2)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2
B09 Pirc Defence (Austrian Attack)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4
B09 Pirc Defence (Austrian Attack)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O
B09 Pirc Defence (Austrian Attack, 6.e5)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5
B09 Pirc Defence (Austrian Attack, 6.Be3)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be3
B09 Pirc Defence (Austrian Attack, 6.Bd3)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3
B09 Pirc Defence (Austrian Attack, Dragon formation)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5
B09 Pirc Defence (Austrian Attack, Ljubojevic Variation)
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bc4
B10 Caro-Kann Defence
1.e4 c6 2.Nc3
B12 Caro-Kann Defence
1.e4 c6 2.d4 d5
B12 Caro-Kann Defence (3.Nd2)
1.e4 c6 2.d4 d5 3.Nd2
B13 Caro-Kann Defence (Exchange Variation, Rubinstein Variation)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4
B13 Caro-Kann Defence (Panov-Botvinnik Attack)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4
B13 Caro-Kann Defence (Panov-Botvinnik Attack, Gunderam Attack)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.c5
B13 Caro-Kann Defence (Panov-Botvinnik Attack)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3
B13 Caro-Kann Defence (Panov-Botvinnik Attack, Herzog Defence)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 dxc4 7.d5 Na5
B13 Caro-Kann Defence (Panov-Botvinnik Attack, normal Variation)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 e6
B13 Caro-Kann Defence (Panov-Botvinnik Attack, Czerniak Variation)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qa5
B13 Caro-Kann Defence (Panov-Botvinnik Attack, Reifir (Spielmann) Variation)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Qb6
B14 Caro-Kann Defence (Panov-Botvinnik Attack, 5...e6)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6
B14 Caro-Kann Defence (Panov-Botvinnik Attack, 5...g6)
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6
B15 Caro-Kann Defence
1.e4 c6 2.d4 d5 3.Nc3
B15 Caro-Kann Defence (Rasa-Studier Gambit)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.f3
B15 Caro-Kann Defence
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4
B15 Caro-Kann Defence (Alekhine Gambit)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Bd3
B15 Caro-Kann Defence (Tartakower Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 exf6
B15 Caro-Kann Defence (Forgacs Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 exf6 6.Bc4
B16 Caro-Kann Defence (Bronstein-Larsen Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 gxf6
B17 Caro-Kann Defence (Steinitz Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7
B18 Caro-Kann Defence (Classical Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5
B18 Caro-Kann Defence (Classical Variation, Flohr Variation)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nh3
B18 Caro-Kann Defence (Classical Variation, Maroczy Attack)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.f4
B18 Caro-Kann Defence (Classical Variation, 6.h4)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4
B19 Caro-Kann Defence (Classical Variation, 7...Nd7)
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7
B19 Caro-Kann Defence (Classical Variation, 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
B20 Sicilian Defence (Gloria Variation)
1.e4 c5 2.c4 d6 3.Nc3 Nc6 4.g3 h5
B20 Sicilian Defence (Wing Gambit, Marienbad Variation)
1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Bb2
B21 Sicilian Defence (Andreaschek Gambit)
1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3
B21 Sicilian Defence (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
B22 Sicilian Defence (Alapin Variation, Heidenfeld Variation)
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3 Nc6 5.Na3
B23 Sicilian Defence (Grand Prix Attack, Schofman Variation)
1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.f5
B24 Sicilian Defence (Closed)
1.e4 c5 2.Nc3 Nc6 3.g3
B24 Sicilian Defence (Closed, Smyslov Variation)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 Nd4 7.Nce2
B25 Sicilian Defence (Closed)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6
B25 Sicilian Defence (Closed, 6.Ne2 e5 (Botvinnik))
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5
B25 Sicilian Defence (Closed, 6.f4)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4
B25 Sicilian Defence (Closed, 6.f4 e5 (Botvinnik))
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5
B26 Sicilian Defence (Closed, 6.Be3)
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3
B27 Sicilian Defence
1.e4 c5 2.Nf3
B27 Sicilian Defence (Acton extension)
1.e4 c5 2.Nf3 g6 3.c4 Bh6
B29 Sicilian Defence (Nimzovich-Rubinstein Variation, Rubinstein Counter-Gambit)
1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6
B30 Sicilian Defence
1.e4 c5 2.Nf3 Nc6
B31 Sicilian Defence (Nimzovich-Rossolimo Attack, Gurgenidze Variation)
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4
B32 Sicilian Defence
1.e4 c5 2.Nf3 Nc6 3.d4
B32 Sicilian Defence (Flohr Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7
B32 Sicilian Defence (Nimzovich Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 d5
B32 Sicilian Defence (Labourdonnais-Loewenthal Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6
B33 Sicilian Defence
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6
B33 Sicilian Defence (Pelikan Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5
B33 Sicilian Defence (Pelikan Variation, 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
B33 Sicilian Defence (Pelikan Variation, 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
B33 Sicilian Defence (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
B34 Sicilian Defence (Accelerated Fianchetto, Exchange Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6
B34 Sicilian Defence (Accelerated Fianchetto, Modern Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3
B35 Sicilian Defence (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
B36 Sicilian Defence (Accelerated Fianchetto, Maroczy bind)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4
B36 Sicilian Defence (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
B37 Sicilian Defence (Accelerated Fianchetto, Maroczy bind, 5...Bg7)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7
B37 Sicilian Defence (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
B38 Sicilian Defence (Accelerated Fianchetto, Maroczy bind, 6.Be3)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3
B39 Sicilian Defence (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
B40 Sicilian Defence
1.e4 c5 2.Nf3 e6
B40 Sicilian Defence
1.e4 c5 2.Nf3 e6 3.d4 cxd4
B40 Sicilian Defence (Anderssen Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6
B40 Sicilian Defence (Pin Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4
B40 Sicilian Defence (Pin Variation, Jaffe Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Bd3 e5
B40 Sicilian Defence (Pin Variation, Koch Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.e5
B41 Sicilian Defence (Kan Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6
B41 Sicilian Defence (Kan Variation, Maroczy bind)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4
B41 Sicilian Defence (Kan Variation, 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
B42 Sicilian Defence (Kan Variation, 5.Bd3)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3
B42 Sicilian Defence (Kan Variation, Gipslis Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6
B42 Sicilian Defence (Kan Variation, Polugaievsky Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5
B42 Sicilian Defence (Kan Variation, Swiss cheese Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6
B43 Sicilian Defence (Kan Variation, 5.Nc3)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3
B44 Sicilian Defence
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6
B44 Sicilian Defence (Szen Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5
B44 Sicilian Defence (Szen Variation, 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
B44 Sicilian Defence (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
B45 Sicilian Defence (Taimanov Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3
B45 Sicilian Defence (Taimanov Variation, American Attack)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Ndb5 Bb4 7.Nd6
B46 Sicilian Defence (Taimanov Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6
B47 Sicilian Defence (Taimanov Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7
B48 Sicilian Defence (Taimanov Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3
B49 Sicilian Defence (Taimanov Variation)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2
B50 Sicilian Defence
1.e4 c5 2.Nf3 d6
B52 Sicilian Defence (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
B52 Sicilian Defence (Canal-Sokolsky Attack, Sokolsky Variation)
1.e4 c5 2.Nf3 d6 3.Bb5 Bd7 4.Bxd7 Qxd7 5.c4
B53 Sicilian Defence (Chekhover Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4
B53 Sicilian Defence (Chekhover Variation, Zaitsev Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7
B54 Sicilian Defence
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4
B54 Sicilian Defence (Prins Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3
B55 Sicilian Defence (Prins Variation, Venice Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5
B56 Sicilian Defence
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
B56 Sicilian Defence (Venice Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5
B56 Sicilian Defence
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6
B57 Sicilian Defence (Sozin)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4
B57 Sicilian Defence (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
B57 Sicilian Defence (Sozin, Benko Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6
B58 Sicilian Defence (Classical)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2
B58 Sicilian Defence (Boleslavsky Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5
B58 Sicilian Defence (Boleslavsky Variation, Louma Variation)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nxc6
B59 Sicilian Defence (Boleslavsky Variation, 7.Nb3)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3
B60 Sicilian Defence (Richter-Rauzer)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5
B60 Sicilian Defence (Richter-Rauzer, Bondarevsky Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 g6
B60 Sicilian Defence (Richter-Rauzer, Larsen Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7
B61 Sicilian Defence (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
B62 Sicilian Defence (Richter-Rauzer, 6...e6)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6
B62 Sicilian Defence (Richter-Rauzer, Podvebrady Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nb3
B62 Sicilian Defence (Richter-Rauzer, Margate Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5
B62 Sicilian Defence (Richter-Rauzer, Richter Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Nxc6
B62 Sicilian Defence (Richter-Rauzer, Keres Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd3
B63 Sicilian Defence (Richter-Rauzer, Rauzer Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2
B63 Sicilian Defence (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
B64 Sicilian Defence (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
B64 Sicilian Defence (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
B65 Sicilian Defence (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
B65 Sicilian Defence (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
B66 Sicilian Defence (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
B67 Sicilian Defence (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
B68 Sicilian Defence (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
B69 Sicilian Defence (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
B70 Sicilian Defence (Dragon Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
B71 Sicilian Defence (Dragon Variation, Levenfish Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4
B71 Sicilian Defence (Dragon Variation, Levenfish - Flohr Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nbd7
B72 Sicilian Defence (Dragon Variation, 6.Be3)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3
B72 Sicilian Defence (Dragon Variation, Classical Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2
B72 Sicilian Defence (Dragon Variation, Classical Attack, 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
B72 Sicilian Defence (Dragon Variation, Classical Attack, 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
B72 Sicilian Defence (Dragon Variation, Classical Attack, 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
B73 Sicilian Defence (Dragon Variation, Classical Attack, 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
B73 Sicilian Defence (Dragon Variation, Classical Attack, 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
B73 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B74 Sicilian Defence (Dragon Variation, Classical Attack, 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
B75 Sicilian Defence (Dragon Variation, Yugoslav Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3
B76 Sicilian Defence (Dragon Variation, 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
B76 Sicilian Defence (Dragon Variation, 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
B77 Sicilian Defence (Dragon Variation, 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
B77 Sicilian Defence (Dragon Variation, 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
B77 Sicilian Defence (Dragon Variation, 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
B78 Sicilian Defence (Dragon Variation, 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
B79 Sicilian Defence (Dragon Variation, 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
B80 Sicilian Defence (Scheveningen Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6
B80 Sicilian Defence (Scheveningen Variation, English Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.Qd2
B80 Sicilian Defence (Scheveningen Variation, Vitolins Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bb5
B80 Sicilian Defence (Scheveningen Variation, Fianchetto Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3
B81 Sicilian Defence (Scheveningen Variation, Keres Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4
B82 Sicilian Defence (Scheveningen Variation, 6.f4)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4
B82 Sicilian Defence (Scheveningen Variation, 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
B83 Sicilian Defence (Scheveningen Variation, 6.Be2)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2
B83 Sicilian Defence (Modern Scheveningen Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6
B83 Sicilian Defence (Modern Scheveningen Variation, 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
B83 Sicilian Defence (Modern Scheveningen Variation, 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
B84 Sicilian Defence (Scheveningen Variation, Classical Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6
B84 Sicilian Defence (Scheveningen Variation, Classical Variation, Nd7 System)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Nbd7
B84 Sicilian Defence (Scheveningen Variation, Classical Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7
B85 Sicilian Defence (Scheveningen Variation, 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
B85 Sicilian Defence (Scheveningen Variation, Classical Variation, 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
B85 Sicilian Defence (Scheveningen Variation, Classical Variation)
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
B85 Sicilian Defence (Scheveningen Variation, Classical Variation)
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
B86 Sicilian Defence (Sozin Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4
B87 Sicilian Defence (Sozin Attack 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
B88 Sicilian Defence (Sozin Attack, Leonhardt Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6
B88 Sicilian Defence (Sozin Attack, 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
B89 Sicilian Defence (Sozin Attack, 7.Be3)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3
B89 Sicilian Defence (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
B90 Sicilian Defence (Najdorf)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
B90 Sicilian Defence (Najdorf Variation, Adams Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3
B90 Sicilian Defence (Najdorf Variation, Lipnitzky Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4
B90 Sicilian Defence (Najdorf Variation, Byrne (English) Attack)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3
B91 Sicilian Defence (Najdorf Variation, Zagreb (Fianchetto) Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3
B92 Sicilian Defence (Najdorf Variation, Opovcensky Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2
B93 Sicilian Defence (Najdorf Variation, 6.f4)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4
B94 Sicilian Defence (Najdorf Variation, 6.Bg5)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5
B94 Sicilian Defence (Najdorf Variation, 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
B95 Sicilian Defence (Najdorf Variation, 6...e6)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6
B96 Sicilian Defence (Najdorf Variation, 7.f4)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4
B96 Sicilian Defence (Najdorf Variation, Polugayevsky Variation)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5
B96 Sicilian Defence (Najdorf Variation, 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
B97 Sicilian Defence (Najdorf Variation, 7...Qb6)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6
B97 Sicilian Defence (Najdorf Variation, 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
B98 Sicilian Defence (Najdorf Variation, 7...Be7)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7
B98 Sicilian Defence (Najdorf Variation, 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
B98 Sicilian Defence (Najdorf Variation, Goteborg 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
B98 Sicilian Defence (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
B99 Sicilian Defence (Najdorf Variation, 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
C00 French Defence
1.e4 e6 2.Nf3
C00 French Defence (Wing Gambit)
1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4
C00 French Defence
1.e4 e6 2.Nc3
C00 French Defence (Reversed Philidor formation)
1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2
C00 French Defence
1.e4 e6 2.d4
C00 French Defence
1.e4 e6 2.d4 d5
C01 French Defence (Exchange Variation, Svenonius Variation)
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5
C01 French Defence (Exchange Variation, Bogolyubov Variation)
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 Nc6
C02 French Defence (Advance Variation)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3
C02 French Defence (Advance Variation, Wade Variation)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7
C02 French Defence (Advance Variation)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6
C02 French Defence (Advance Variation, Paulsen Attack)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3
C02 French Defence (Advance Variation, Milner-Barry Gambit)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3
C02 French Defence (Advance Variation, Euwe Variation)
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7
C03 French Defence (Tarrasch)
1.e4 e6 2.d4 d5 3.Nd2
C04 French Defence (Tarrasch, Guimard Main line)
1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6
C05 French Defence (Tarrasch, Botvinnik Variation)
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 b6
C05 French Defence (Tarrasch, closed Variation)
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6
C06 French Defence (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
C06 French Defence (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
C07 French Defence (Tarrasch, Eliskases Variation)
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8
C08 French Defence (Tarrasch, open, 4.ed ed)
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5
C09 French Defence (Tarrasch, open Variation, Main line)
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6
C10 French Defence (Fort Knox Variation)
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6
C10 French Defence (Rubinstein Variation)
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7
C10 French Defence (Rubinstein, Capablanca line)
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6 Nxf6 7.Ne5
C10 French Defence (Frere Variation)
1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5
C11 French Defence
1.e4 e6 2.d4 d5 3.Nc3 Nf6
C11 French Defence (Swiss Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3
C11 French Defence (Henneberger Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3
C11 French Defence (Steinitz Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5
C11 French Defence (Steinitz Variation, Bradford Attack)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4
C11 French Defence (Steinitz Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6
C11 French Defence (Steinitz Variation, 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
C11 French Defence (Steinitz Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3
C11 French Defence (Steinitz Variation, Boleslavsky Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3
C11 French Defence (Steinitz Variation, Gledhill Attack)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4
C11 French Defence (Burn Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4
C12 French Defence (MacCutcheon Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4
C12 French Defence (MacCutcheon Variation, Bogolyubov Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 Qxd5 6.Bxf6 gxf6 7.Qd2 Qa5
C12 French Defence (MacCutcheon Variation, Chigorin Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6
C12 French Defence (MacCutcheon Variation, 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
C12 French Defence (MacCutcheon Variation, Bernstein Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4
C12 French Defence (MacCutcheon Variation, Janowski Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3
C12 French Defence (MacCutcheon Variation, Dr. Olland (Dutch) Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bc1
C12 French Defence (MacCutcheon Variation, Tartakower Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Nfd7
C12 French Defence (MacCutcheon Variation, Lasker Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3
C12 French Defence (MacCutcheon Variation, 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
C12 French Defence (MacCutcheon Variation, 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
C13 French Defence (Classical Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7
C13 French Defence (Classical Variation, Anderssen Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6
C13 French Defence (Classical Variation, Anderssen-Richter Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4
C13 French Defence (Classical Variation, Frankfurt Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6
C13 French Defence (Classical Variation, Tartakower Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4
C13 French Defence (Albin-Alekhine-Chatard Attack)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4
C13 French Defence (Albin-Alekhine-Chatard Attack, Maroczy Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6
C13 French Defence (Albin-Alekhine-Chatard Attack, Breyer Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5
C13 French Defence (Albin-Alekhine-Chatard Attack, Teichmann Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6
C13 French Defence (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
C14 French Defence (Classical Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7
C14 French Defence (Classical Variation, Tarrasch Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3
C14 French Defence (Classical Variation, Rubinstein Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2
C14 French Defence (Classical Variation, Alapin Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5
C14 French Defence (Classical Variation, Pollock Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qg4
C14 French Defence (Classical Variation, Steinitz Variation)
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4
C14 French Defence (Classical Variation, 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
C15 French Defence (Winawer Variation, Kondratiyev Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 c5 5.exd5 Qxd5 6.Bd2
C15 French Defence (Winawer Variation, Alekhine Gambit, Alatortsev Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Be7 6.Nxe4 Nf6 7.N2g3 O-O 8.Be2 Nc6
C15 French Defence (Winawer Variation, Alekhine Gambit)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3
C15 French Defence (Winawer Variation, Alekhine Gambit, Kan Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3 6.Nxc3 Nc6
C17 French Defence (Winawer Variation, Advance Variation, Rauzer Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3 7.Nf3
C18 French Defence (Winawer Variation, Advance Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3
C18 French Defence (Winawer Variation, Classical Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3 Qc7
C19 French Defence (Winawer Variation, Advance Variation, 6...Ne7)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3 Ne7
C19 French Defence (Winawer Variation, Advance Variation, Smyslov Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3 Ne7 7.a4
C19 French Defence (Winawer Variation, Advance Variation, positional Main line)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3 Ne7 7.Nf3
C19 French Defence (Winawer Variation, Advance Variation, poisoned Pawn Variation)
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3 6.bxc3 Ne7 7.Qg4
C19 French Defence (Winawer Variation, Advance Variation, poisoned Pawn, Euwe-Gligoric Variation)
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
C19 French Defence (Winawer Variation, Advance Variation, poisoned Pawn, Konstantinopolsky Variation)
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
C20 Alapin Opening
1.e4 e5 2.Ne2
C21 Centre Game
1.e4 e5 2.d4 exd4
C21 Centre Game (Kieseritsky Variation)
1.e4 e5 2.d4 exd4 3.Nf3 c5 4.Bc4 b5
C21 Halasz Gambit
1.e4 e5 2.d4 exd4 3.f4
C21 Danish Gambit
1.e4 e5 2.d4 exd4 3.c3
C21 Danish Gambit (Collijn Defence)
1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Qe7
C21 Danish Gambit (Schlechter Defence)
1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 d5
C21 Danish Gambit (Soerensen Defence)
1.e4 e5 2.d4 exd4 3.c3 d5
C21 Centre Game
1.e4 e5 2.d4 exd4 3.Qxd4
C22 Centre Game
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6
C22 Centre Game (Paulsen Attack)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3
C22 Centre Game (Charousek Variation)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4 5.c3 Be7
C22 Centre Game (l'Hermet Variation)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 f5
C22 Centre Game (Berger Variation)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6
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
C22 Centre Game (Hall Variation)
1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qc4
C23 Bishop's Opening
1.e4 e5 2.Bc4
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
C23 Bishop's Opening (Lopez Gambit)
1.e4 e5 2.Bc4 Bc5 3.Qe2 Nc6 4.c3 Nf6 5.f4
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
C23 Bishop's Opening (del Rio Variation)
1.e4 e5 2.Bc4 Bc5 3.c3 Qg5
C23 Bishop's Opening (MacDonnell double Gambit)
1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4
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
C24 Bishop's Opening (Urusov Gambit)
1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3
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
C25 Vienna Game
1.e4 e5 2.Nc3
C25 Vienna Game (Zhuravlev CounterGambit)
1.e4 e5 2.Nc3 Bb4 3.Qg4 Nf6
C25 Vienna Game (Fyfe Gambit)
1.e4 e5 2.Nc3 Nc6 3.d4
C25 Vienna Game (Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4
C25 Vienna Game (Steinitz Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4
C25 Vienna Game (Steinitz Gambit, Zukertort Defence)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4 5.Ke2 d5
C25 Vienna Game (Steinitz Gambit, Fraser-Minckwitz Variation)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4 5.Ke2 b6
C25 Vienna Game (Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3
C25 Vienna Game (Hamppe-Allgaier Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5
C25 Vienna Game (Hamppe-Allgaier Gambit, Alapin Variation)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6
C25 Vienna Game (Hamppe-Muzio Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.O-O
C25 Vienna Game (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
C25 Vienna Game (Pierce Gambit)
1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.d4
C25 Vienna Game (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
C26 Vienna Game
1.e4 e5 2.Nc3 Nf6 3.Bc4
C27 Vienna Game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4
C27 Vienna Game ('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
C27 Vienna Game (Adams' Gambit)
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.d4
C27 Vienna Game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7
C27 Vienna Game (Alekhine Variation)
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 6.Nf3 Nc6 7.Nxe5
C27 Petrov's Defence
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Nf3
C27 Petrov's Defence (Lichtenhein Defence)
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Nf3 d5
C28 Vienna Game
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6
C29 Vienna Game (Gambit, Kaufmann Variation)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Bg4 6.Qe2
C29 Vienna Game (Gambit, Breyer Variation)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Be7
C29 Vienna Game (Gambit, Paulsen Attack)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3
C29 Vienna Game (Gambit, Bardeleben Variation)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5
C29 Vienna Game (Gambit, Heyde Variation)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5 6.d4
C29 Vienna Game (Gambit)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.d3
C29 Vienna Game (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
C29 Vienna Game (Gambit, Steinitz Variation)
1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.d3
C30 King's Gambit
1.e4 e5 2.f4
C30 King's Gambit (Declined, Norwalde Variation, Buecker Gambit)
1.e4 e5 2.f4 Qf6 3.Nf3 Qxf4 4.Nc3 Bb4 5.Bc4
C30 King's Gambit (Declined, 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
C30 King's Gambit (Declined, Classical, 4.c3)
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3
C30 King's Gambit (Declined, Classical, Marshall Attack)
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4
C30 King's Gambit (Declined, Classical, Reti Variation)
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4
C31 King's Gambit (Declined, Falkbeer Counter-Gambit, Morphy Gambit)
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nc3 Bb4 6.Bd2 e3
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, 5.de)
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, 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
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, 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
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, 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
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, Charousek Gambit)
1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2
C32 King's Gambit (Declined, Falkbeer Counter-Gambit, 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
C33 King's Gambit (Accepted, Bishop's Gambit, Chigorin's Attack)
1.e4 e5 2.f4 exf4 3.Bc4 Qh4 4.Kf1 d5 5.Bxd5 g5 6.g3
C33 King's Gambit (Accepted, 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
C33 King's Gambit (Accepted, Bishop's Gambit, Classical Defence)
1.e4 e5 2.f4 exf4 3.Bc4 Qh4 4.Kf1 g5 5.Nc3 Bg7 6.d4 Ne7
C33 King's Gambit (Accepted, 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
C33 King's Gambit (Bishop's Gambit, McDonnell Attack)
1.e4 e5 2.f4 exf4 3.Bc4 Qh4 4.Kf1 g5 5.Nc3 Bg7 6.g3
C33 King's Gambit (Accepted, 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
C33 King's Gambit (Accepted, Lopez-Gianutio Counter-Gambit, Hein Variation)
1.e4 e5 2.f4 exf4 3.Bc4 f5 4.Qe2 Qh4 5.Kd1 fxe4 6.Nc3 Kd8
C33 King's Gambit (Accepted, Bishop's Gambit, Gifford Variation)
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Qh4 5.Kf1 g5 6.g3
C33 King's Gambit (Accepted, Bishop's Gambit, Boren-Svenonius Variation)
1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Qh4 5.Kf1 Bd6
C33 King's Gambit (Accepted, Bishop's Gambit, Paulsen Attack)
1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 Bb4 5.e5
C34 King's Gambit (Knight's Gambit)
1.e4 e5 2.f4 exf4 3.Nf3
C35 King's Gambit (Accepted, Cunningham Defence, Bertin Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4 5.g3
C35 King's Gambit (Accepted, Cunningham Defence, three Pawns Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4 5.g3 fxg3 6.O-O gxh2 7.Kh1
C36 King's Gambit (Accepted, 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
C37 King's Gambit (Accepted, Quaade Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3
C37 King's Gambit (Accepted, Soerensen Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Ne5
C37 King's Gambit (Accepted, Blachly Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Nc6
C37 King's Gambit (Accepted, Lolli Gambit (wild Muzio Gambit))
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Bxf7
C37 King's Gambit (Accepted, 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
C37 King's Gambit (Accepted, Ghulam Kassim Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.d4
C37 King's Gambit (Accepted, MacDonnell Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Nc3
C37 King's Gambit (Accepted, Salvio Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5
C37 King's Gambit (Accepted, Silberschmidt Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4 6.Kf1 Nh6 7.d4 f3
C37 King's Gambit (Accepted, 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
C37 King's Gambit (Accepted, Cochrane Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4 6.Kf1 f3
C37 King's Gambit (Accepted, Herzfeld Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4 6.Kf1 Nc6
C37 King's Gambit (Accepted, Muzio Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O
C37 King's Gambit (Accepted, 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
C37 King's Gambit (Accepted, 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
C37 King's Gambit (Accepted, Muzio Gambit, From Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qe7
C37 King's Gambit (Accepted, Muzio Gambit, Holloway Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Nc6
C37 King's Gambit (Accepted, Muzio Gambit, Brentano Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O d5
C38 King's Gambit (Knight's Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7
C38 King's Gambit (Accepted, Hanstein Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.O-O
C38 King's Gambit (Accepted, Philidor Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4
C38 King's Gambit (Accepted, 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
C38 King's Gambit (Accepted, Philidor Gambit, Schultz Variation)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 h6 6.d4 d6 7.Qd3
C39 King's Gambit (Knight's Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4
C39 King's Gambit (Accepted, Allgaier Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5
C39 King's Gambit (Accepted, Allgaier Gambit, 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
C39 King's Gambit (Accepted, Allgaier Gambit, Thorold Variation)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4
C39 King's Gambit (Accepted, Allgaier Gambit, 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
C39 King's Gambit (Accepted, Allgaier Gambit, Blackburne Gambit)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Nc3
C39 King's Gambit (Accepted, Allgaier Gambit, Walker Attack)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4
C39 King's Gambit (Accepted, Allgaier Gambit, 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
C39 King's Gambit (Accepted, Allgaier Gambit, Schlechter Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 Nf6
C39 King's Gambit (Accepted, Kieseritsky, Paulsen Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Bg7
C39 King's Gambit (Accepted, 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
C39 King's Gambit (Accepted, Kieseritsky, Brentano Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5
C39 King's Gambit (Accepted, 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
C39 King's Gambit (Accepted, Kieseritsky, Brentano Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4
C39 King's Gambit (Accepted, 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
C39 King's Gambit (Accepted, Kieseritsky, Salvio (Rosenthal) Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7
C39 King's Gambit (Accepted, 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
C39 King's Gambit (Accepted, Kieseritsky, Polerio Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Be7
C39 King's Gambit (Accepted, Kieseritsky, Neumann Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nc6
C39 King's Gambit (Accepted, Kieseritsky, Kolisch Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d6
C39 King's Gambit (Accepted, Kieseritsky, Berlin Defence)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6
C39 King's Gambit (Accepted, Kieseritsky, Berlin Defence, Riviere Variation)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Nxg4 d5
C39 King's Gambit (Accepted, Kieseritsky, Berlin Defence, 6.Bc4)
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4
C39 King's Gambit (Accepted, 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
C40 Gunderam Defence
1.e4 e5 2.Nf3 Qe7
C40 Greco Defence
1.e4 e5 2.Nf3 Qf6
C40 Damiano's Defence
1.e4 e5 2.Nf3 f6
C40 Latvian (Nimzovich Variation)
1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3
C40 Latvian (Fraser Defence)
1.e4 e5 2.Nf3 f5 3.Nxe5 Nc6
C40 Latvian (Gambit, 3.Bc4)
1.e4 e5 2.Nf3 f5 3.Bc4
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
C40 Latvian (Polerio Variation)
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5
C40 Latvian (Corkscrew Counter-Gambit)
1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Nf6
C41 Philidor's Defence
1.e4 e5 2.Nf3 d6
C41 Philidor's Defence (Steinitz Variation)
1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3
C41 Philidor's Defence (Lopez Counter-Gambit, Jaenisch Variation)
1.e4 e5 2.Nf3 d6 3.Bc4 f5 4.d4 exd4 5.Ng5 Nh6 6.Nxh7
C41 Philidor's Defence
1.e4 e5 2.Nf3 d6 3.d4
C41 Philidor's Defence (Philidor Counter-Gambit, del Rio Attack)
1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6
C41 Philidor's Defence (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
C41 Philidor's Defence (Boden Variation)
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Bd7
C41 Philidor's Defence (Exchange Variation)
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4
C41 Philidor's Defence (Paulsen Attack)
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 d5 5.exd5
C41 Philidor's Defence (Exchange Variation)
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6
C41 Philidor's Defence (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
C41 Philidor's Defence (Larsen Variation)
1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6
C41 Philidor's Defence (Improved Hanham Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7
C41 Philidor's Defence (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
C41 Philidor's Defence (Nimzovich, Larobok Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Ng5 O-O 7.Bxf7
C41 Philidor's Defence (Nimzovich Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5
C41 Philidor's Defence (Nimzovich, Sokolsky Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Nbd2
C41 Philidor's Defence (Nimzovich, Rellstab Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5
C41 Philidor's Defence (Hanham, Krause Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O
C41 Philidor's Defence (Hanham, Steiner Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5
C41 Philidor's Defence (Hanham, Kmoch Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5
C41 Philidor's Defence (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
C41 Philidor's Defence (Hanham, Schlechter Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Nc3
C41 Philidor's Defence (Hanham, Delmar Variation)
1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.c3
C42 Petrov's Defence
1.e4 e5 2.Nf3 Nf6
C42 Petrov's Defence (French Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3
C42 Petrov's Defence (Kaufmann Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4
C42 Petrov's Defence (Nimzovich Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3
C42 Petrov's Defence (Cozio (Lasker) Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2
C42 Petrov's Defence (Classical Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (Classical Attack, Marshall Variation)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6
C42 Petrov's Defence (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
C42 Petrov's Defence (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
C42 Petrov's Defence (Classical Attack, close Variation)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6
C42 Petrov's Defence (Cochrane Gambit)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7
C42 Petrov's Defence (Paulsen Attack)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4
C42 Petrov's Defence (Damiano Variation)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4
C43 Petrov's Defence (Modern Attack, Main line)
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4
C43 Petrov's Defence (Modern Attack, Steinitz Variation)
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2
C43 Petrov's Defence (Modern Attack, Bardeleben Variation)
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6
C43 Petrov's Defence (Urusov Gambit)
1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.Bc4
C43 Petrov's Defence (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
C44 King's Pawn Game
1.e4 e5 2.Nf3 Nc6
C44 Irish Gambit
1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4
C44 Konstantinopolsky Opening
1.e4 e5 2.Nf3 Nc6 3.g3
C44 Dresden Opening
1.e4 e5 2.Nf3 Nc6 3.c4
C44 Inverted Hungarian
1.e4 e5 2.Nf3 Nc6 3.Be2
C44 Inverted Hanham
1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2
C44 Tayler Opening
1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4
C44 Ponziani Opening
1.e4 e5 2.Nf3 Nc6 3.c3
C44 Ponziani Opening (Caro Variation)
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Bd7
C44 Ponziani Opening (Leonhardt Variation)
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Nf6
C44 Ponziani Opening (Steinitz Variation)
1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 f6
C44 Ponziani Opening (Fraser Defence)
1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 Nxe4 5.d5 Bc5
C44 Ponziani Opening (Reti Variation)
1.e4 e5 2.Nf3 Nc6 3.c3 Nge7
C44 Ponziani Counter-Gambit
1.e4 e5 2.Nf3 Nc6 3.c3 f5
C44 Ponziani Counter-Gambit (Schmidt Attack)
1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5
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
C44 Scotch Opening
1.e4 e5 2.Nf3 Nc6 3.d4
C44 Scotch Opening (Lolli Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4
C44 Scotch Opening (Cochrane Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxe5 Ne6 5.Bc4 c6 6.O-O Nf6 7.Nxf7
C44 Scotch Opening (Relfsson Gambit ('MacLopez'))
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5
C44 Scotch Opening (Goering Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3
C44 Scotch Opening (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
C44 Scotch Opening (Goering Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4
C44 Scotch Opening (Goering Gambit, Bardeleben Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4 6.Bc4 Nf6
C44 Scotch Opening (Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4
C44 Scotch Opening (Gambit, Anderssen Counter-attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.O-O d6 6.c3 Bg4
C44 Scotch Opening (Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5
C44 Scotch Opening (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
C44 Scotch Opening (Gambit, Vitzhum Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5
C44 Scotch Opening (Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4
C44 Scotch Opening (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
C44 Scotch Opening (Gambit)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4 5.c3 dxc3 6.bxc3
C44 Scotch Opening (Gambit, Cochrane Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4 5.c3 dxc3 6.bxc3 Ba5 7.e5
C44 Scotch Opening (Gambit, Benima Defence)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7
C44 Scotch Opening (Gambit, Dubois-Reti Defence)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6
C45 Scotch Opening
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4
C45 Scotch Opening (Ghulam Kassim Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nxd4 5.Qxd4 d6 6.Bd3
C45 Scotch Opening (Pulling Counter-attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4
C45 Scotch Opening (Horwitz Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5
C45 Scotch Opening (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
C45 Scotch Opening
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4 6.Bd2
C45 Scotch Opening (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
C45 Scotch Opening (Fraser Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf3
C45 Scotch Opening (Steinitz Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3
C45 Scotch Opening (Schmidt Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6
C45 Scotch Opening (Mieses Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5
C45 Scotch Opening (Tartakower Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Nd2
C45 Scotch Opening
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5
C45 Scotch Opening (Blackburne Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2
C45 Scotch Opening (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
C45 Scotch Opening (Paulsen Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5
C45 Scotch Opening (Paulsen, Gunsberg Defence)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 Nd8
C45 Scotch Opening (Meitner Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Nc2
C45 Scotch Opening (Blumenfeld Attack)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.Nb5
C45 Scotch Opening (Potter Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3
C45 Scotch Opening (Romanishin Variation)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb4
C46 Three Knights Game
1.e4 e5 2.Nf3 Nc6 3.Nc3
C46 Three Knights Game (Schlechter Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6
C46 Three Knights Game (Steinitz, Rosenthal Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5
C46 Four Knights Game
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6
C46 Four Knights Game (Schultze-Mueller Gambit)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5
C46 Four Knights Game (Italian Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4
C46 Four Knights Game (Gunsberg Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3
C47 Four Knights Game (Scotch Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4
C47 Four Knights Game (Scotch, Krause Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5
C47 Four Knights Game (Scotch, 4...exd4)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4
C47 Four Knights Game (Belgrade Gambit)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5
C48 Four Knights Game (Spanish Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5
C48 Four Knights Game (Ranken Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6
C48 Four Knights Game (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
C48 Four Knights Game (Spanish, Classical Defence)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5
C48 Four Knights Game (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
C48 Four Knights Game (Marshall Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nd4
C48 Four Knights Game (Rubinstein Counter-Gambit)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4
C48 Four Knights Game (Rubinstein Counter-Gambit, Bogolyubov Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxe5 Qe7 6.f4
C48 Four Knights Game (Rubinstein Counter-Gambit, 5.Be2)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2
C48 Four Knights Game (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
C49 Four Knights Game (double Ruy Lopez)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4
C49 Four Knights Game (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
C49 Four Knights Game (double Ruy Lopez)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3
C49 Four Knights Game (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
C49 Four Knights Game
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (Symmetrical Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (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
C49 Four Knights Game (Nimzovich (Paulsen) Variation)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Bxc6
C50 Italian Game (Blackburne Shilling Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 4.Nxe5 Qg5 5.Nxf7 Qxg2 6.Rf1 Qxe4 7.Be2 Nf3
C50 Italian Game (Rousseau Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 f5
C50 Italian Game (Hungarian Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7
C50 Italian Game (Hungarian Defence, Tartakower Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 5.c3 Nf6 6.e5 Ne4
C50 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
C50 Italian Game (Giuoco Piano, Four Knights Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6
C50 Italian Game (Giuoco Piano, Jerome Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7
C50 Italian Game (Giuoco Pianissimo)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3
C50 Italian Game (Giuoco Pianissimo, Dubois Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 f5 5.Ng5 f4
C50 Italian Game (Giuoco Pianissimo)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6
C50 Italian Game (Giuoco Pianissimo, Canal Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 d6 6.Bg5
C51 Italian Game (Evans Gambit, Declined)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4
C51 Italian Game (Evans Gambit, Declined, Lange Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6
C51 Italian Game (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
C51 Italian Game (Evans Gambit, Declined, Hirschbach Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (Evans Gambit, Declined, 5.a4)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4
C51 Italian Game (Evans Gambit, Declined, Showalter Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 a6 6.Nc3
C51 Italian Game (Evans Gambit, Declined, Cordel Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.Bb2
C51 Italian Game (Evans Counter-Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 d5
C51 Italian Game (Evans Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (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
C51 Italian Game (Evans Gambit, Stone-Ware Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6
C51 Italian Game (Evans Gambit, Mayet Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bf8
C51 Italian Game (Evans Gambit, 5...Be7)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7
C51 Italian Game (Evans Gambit, Cordel Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5
C52 Italian Game (Evans Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5
C52 Italian Game (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
C52 Italian Game (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
C52 Italian Game (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
C52 Italian Game (Evans Gambit, Leonhardt Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 b5
C52 Italian Game (Evans Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6
C52 Italian Game (Evans Gambit, Tartakower Attack)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3
C52 Italian Game (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
C52 Italian Game (Evans Gambit, Sokolsky Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Bg5
C52 Italian Game (Evans Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O
C52 Italian Game (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
C52 Italian Game (Evans Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.O-O d6
C52 Italian Game (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
C52 Italian Game (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
C52 Italian Game (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
C52 Italian Game (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
C53 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3
C53 Italian Game (Giuoco Piano, LaBourdonnais Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 d6 5.d4 exd4 6.cxd4 Bb6
C53 Italian Game (Giuoco Piano, close Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7
C53 Italian Game (Giuoco Piano, centre-holding Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6
C53 Italian Game (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
C53 Italian Game (Giuoco Piano, Mestel Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.Bg5
C53 Italian Game (Giuoco Piano, Eisinger Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.d5 Nb8 7.d6
C53 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6
C53 Italian Game (Giuoco Piano, Bird's Attack)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4
C53 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4
C53 Italian Game (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
C53 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5
C53 Italian Game (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
C54 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4
C54 Italian Game (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
C54 Italian Game (Giuoco Piano, Cracow Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4 7.Kf1
C54 Italian Game (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
C54 Italian Game (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
C54 Italian Game (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
C54 Italian Game (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
C54 Italian Game (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
C54 Italian Game (Giuoco Piano, SSteinitz 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
C54 Italian Game (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
C54 Italian Game (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
C54 Italian Game (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
C55 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
C55 Italian Game (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
C55 Italian Game (Giuoco Piano)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6
C55 Italian Game (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
C55 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4
C55 Italian Game (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
C55 Italian Game (Two Knights Defence, Perreux Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Ng5
C55 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O
C55 Italian Game (Two Knights Defence, Max Lange Attack)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5
C55 Italian Game (Two Knights Defence, 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
C55 Italian Game (Two Knights Defence, 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
C55 Italian Game (Two Knights Defence, 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
C55 Italian Game (Two Knights Defence, 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
C55 Italian Game (Two Knights Defence, 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
C55 Italian Game (Two Knights Defence, Max Lange Attack, Steinitz Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 Ng4
C55 Italian Game (Two Knights Defence, 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
C56 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4
C56 Italian Game (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
C56 Italian Game (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
C57 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5
C57 Italian Game (Two Knights Defence, Ulvestad Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5
C57 Italian Game (Two Knights Defence, Fritz Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4
C57 Italian Game (Two Knights Defence, Fritz Variation, 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
C57 Italian Game (Two Knights Defence, Lolli Attack)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4
C57 Italian Game (Two Knights Defence, incus Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4 Bb4
C57 Italian Game (Two Knights Defence, Fegatello Attack)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7
C57 Italian Game (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 Nb4 9.Qe4 c6 10.a3 Na6 11.d4 Nc7
C57 Italian Game (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 Ne7
C58 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5
C58 Italian Game (Two Knights Defence, Kieseritsky Variation)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3
C58 Italian Game (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
C58 Italian Game (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
C58 Italian Game (Two Knights Defence)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5
C58 Italian Game (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
C58 Italian Game (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
C58 Italian Game (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
C58 Italian Game (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
C58 Italian Game (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
C59 Italian Game (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
C59 Italian Game (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
C59 Italian Game (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
C59 Italian Game (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
C60 Ruy Lopez
1.e4 e5 2.Nf3 Nc6 3.Bb5
C60 Ruy Lopez (Nuernberg Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 f6
C60 Ruy Lopez (Pollock Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Na5
C60 Ruy Lopez (Lucena Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Be7
C60 Ruy Lopez (Vinogradov Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Qe7
C60 Ruy Lopez (Brentano Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 g5
C60 Ruy Lopez (Cozio Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7
C60 Ruy Lopez (Cozio Defence, Paulsen Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.Nc3 g6
C61 Ruy Lopez (Bird's Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4
C61 Ruy Lopez (Bird's Defence, Paulsen Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Ne7
C62 Ruy Lopez (old Steinitz Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6
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
C62 Ruy Lopez (old Steinitz Defence, Semi-Duras Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.c4
C63 Ruy Lopez (Schliemann Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 f5
C64 Ruy Lopez (Classical (Cordel) Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5
C64 Ruy Lopez (Classical Defence, Zaitsev Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.b4
C64 Ruy Lopez (Classical Defence, 4.c3)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3
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
C64 Ruy Lopez (Classical Defence, Charousek Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Bb6
C64 Ruy Lopez (Classical Defence, Boden Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Qe7
C64 Ruy Lopez (Cordel Gambit)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 f5
C65 Ruy Lopez (Berlin Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6
C65 Ruy Lopez (Berlin Defence, Nyholm Attack)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d4 exd4 5.O-O
C65 Ruy Lopez (Berlin Defence, Mortimer Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7
C65 Ruy Lopez (Berlin Defence, Mortimer trap)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 5.Nxe5 c6
C65 Ruy Lopez (Berlin Defence, Anderssen Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.Bxc6
C65 Ruy Lopez (Berlin Defence, Duras Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c4
C65 Ruy Lopez (Berlin Defence, Kaufmann Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.Be3
C65 Ruy Lopez (Berlin Defence, 4.O-O)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O
C65 Ruy Lopez (Berlin Defence, Beverwijk Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5
C66 Ruy Lopez (Berlin Defence, 4.O-O, d6)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6
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
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
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
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
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
C66 Ruy Lopez (Closed Berlin Defence, Chigorin Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Nd7
C67 Ruy Lopez (Berlin Defence, open Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4
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
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
C67 Ruy Lopez (Open Berlin Defence, 5...Be7)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7
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
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
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
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
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
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
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
C67 Ruy Lopez (Berlin Defence, Rosenthal Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 a6
C68 Ruy Lopez (Exchange Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6
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
C68 Ruy Lopez (Exchange, Keres Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3
C68 Ruy Lopez (Exchange, Romanovsky Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 f6 6.d3
C69 Ruy Lopez (Exchange Variation, 5.O-O)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O
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
C69 Ruy Lopez (Exchange, Gligoric Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6
C69 Ruy Lopez (Exchange, Bronstein Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6
C70 Ruy Lopez
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4
C70 Ruy Lopez (Fianchetto Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 g6
C70 Ruy Lopez (Cozio Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7
C70 Ruy Lopez (Bird's Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nd4
C70 Ruy Lopez (Alapin Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bb4
C70 Ruy Lopez (Classical Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bc5
C70 Ruy Lopez (Caro Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5
C70 Ruy Lopez (Graz Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Bc5
C70 Ruy Lopez (Taimanov Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5
C70 Ruy Lopez (Schliemann Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5
C71 Ruy Lopez (Modern Steinitz, Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6
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
C72 Ruy Lopez (Modern Steinitz Defence, 5.O-O)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O
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
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
C74 Ruy Lopez (Modern Steinitz Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3
C74 Ruy Lopez (Modern Steinitz Defence, Siesta Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5
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
C75 Ruy Lopez (Modern Steinitz Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7
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
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
C77 Ruy Lopez (Morphy Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6
C77 Ruy Lopez (Four Knights Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3
C77 Ruy Lopez (Treybal Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6
C77 Ruy Lopez (Wormald Attack)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2
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
C77 Ruy Lopez (Anderssen Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3
C77 Ruy Lopez (Morphy Defence, Duras Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c4
C78 Ruy Lopez (5.O-O)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O
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
C78 Ruy Lopez (...b5 & ...d6)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6
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
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
C78 Ruy Lopez (Moeller Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Bc5
C79 Ruy Lopez (Steinitz Defence, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6
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
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
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
C80 Ruy Lopez (Open Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4
C80 Ruy Lopez (Open, Tartakower Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Qe2
C80 Ruy Lopez (Open, Knorre Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Nc3
C80 Ruy Lopez (Open, 6.d4)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
C84 Ruy Lopez (Closed Defence)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7
C84 Ruy Lopez (Closed, centre Attack)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4
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
C85 Ruy Lopez (Exchange Variation Doubly, Deferred)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6
C86 Ruy Lopez (Worrall Attack)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2
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
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
C87 Ruy Lopez (Closed, Averbakh Variation)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6
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
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
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
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
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
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
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
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
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
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
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
C89 Ruy Lopez (Marshall Counter-attack, 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
C89 Ruy Lopez (Marshall Counter-attack, 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
C89 Ruy Lopez (Marshall Counter-attack, 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
C89 Ruy Lopez (Marshall Counter-attack, 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
C89 Ruy Lopez (Marshall Counter-attack, 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
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
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
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
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
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
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
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
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
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
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
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
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
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
C95 Ruy Lopez (Closed, Breyer Defence, 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
C95 Ruy Lopez (Closed, Breyer Defence, 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
C95 Ruy Lopez (Closed, Breyer Defence, 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
C95 Ruy Lopez (Closed, Breyer Defence, 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
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
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
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
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
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
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
C97 Ruy Lopez (Closed, Chigorin Defence, 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
C98 Ruy Lopez (Closed, Chigorin Defence, 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
C98 Ruy Lopez (Closed, Chigorin Defence, 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
C99 Ruy Lopez (Closed, Chigorin Defence, 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
D00 Levitsky Attack
1.d4 d5 2.Bg5
D00 Blackmar Gambit
1.d4 d5 2.e4
D00 Blackmar-Diemer Gambit
1.d4 d5 2.Nc3 Nf6 3.e4
D00 Blackmar-Diemer Gambit (Euwe Defence)
1.d4 d5 2.Nc3 Nf6 3.e4 dxe4 4.f3 exf3 5.Nxf3 e6
D01 Richter-Veresov Attack
1.d4 d5 2.Nc3 Nf6 3.Bg5
D01 Richter-Veresov Attack (Veresov Variation)
1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.Bxf6
D01 Richter-Veresov Attack (Richter Variation)
1.d4 d5 2.Nc3 Nf6 3.Bg5 Bf5 4.f3
D02 Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6
D02 Queen's Bishop Game
1.d4 d5 2.Nf3 Nf6 3.Bf4
D04 Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6 3.e3
D05 Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6 3.e3 e6
D05 Queen's Pawn Game (Zukertort Variation)
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Nbd2 c5 5.b3
D05 Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3
D05 Colle System
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3
D06 Queen's Gambit
1.d4 d5 2.c4
D08 Queen's Gambit (Declined, Albin Counter-Gambit, Lasker trap)
1.d4 d5 2.c4 e5 3.dxe5 d4 4.e3 Bb4 5.Bd2 dxe3
D08 Queen's Gambit (Declined, 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
D08 Queen's Gambit (Declined, Albin Counter-Gambit, Balogh Variation)
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.Nbd2 Qe7
D09 Queen's Gambit (Declined, Albin Counter-Gambit, 5.g3)
1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.g3
D12 Queen's Gambit (Declined, Slav Defence, 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
D12 Queen's Gambit (Declined, Slav Defence, Exchange Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Nc3
D12 Queen's Gambit (Declined, Slav Defence, Amsterdam Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.cxd5 cxd5 6.Nc3 e6 7.Ne5 Nfd7
D14 Queen's Gambit (Declined, Slav Defence, Exchange Variation, 6.Bf4 Bf5)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5
D14 Queen's Gambit (Declined, Slav Defence, 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
D15 Queen's Gambit (Declined, Slav Defence Accepted)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4
D15 Queen's Gambit (Declined, Slav Defence, Slav Gambit)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4
D15 Queen's Gambit (Declined, Slav Defence, Tolush-Geller Gambit)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 b5 6.e5
D16 Queen's Gambit (Declined, Slav Defence, Smyslov Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 6.e4 Bg4
D16 Queen's Gambit (Declined, Slav Defence, Steiner Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4
D17 Queen's Gambit (Declined, Slav Defence, Czech Defence)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5
D17 Queen's Gambit (Declined, Slav Defence, Krause Attack)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5
D17 Queen's Gambit (Declined, Slav Defence, 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
D17 Queen's Gambit (Declined, Slav Defence, Wiesbaden Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6
D18 Queen's Gambit (Declined, Slav Defence, Dutch Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3
D18 Queen's Gambit (Declined, Slav Defence, Dutch, Lasker Variation)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6
D19 Queen's Gambit (Declined, Slav Defence, 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
D19 Queen's Gambit (Declined, Slav Defence, 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
D19 Queen's Gambit (Declined, Slav Defence, 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
D20 Queen's Gambit (Accepted, Linares Variation)
1.d4 d5 2.c4 dxc4 3.e4 c5 4.d5 Nf6 5.Nc3 b5
D21 Queen's Gambit (Accepted, 3.Nf3)
1.d4 d5 2.c4 dxc4 3.Nf3
D22 Queen's Gambit (Accepted, Alekhine Defence, Alatortsev Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.d5
D22 Queen's Gambit (Accepted, Haberditz Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 b5
D23 Queen's Gambit (Accepted)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6
D23 Queen's Gambit (Accepted, Mannheim Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Qa4
D24 Queen's Gambit (Accepted, 4.Nc3)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3
D24 Queen's Gambit (Accepted, Bogolyubov Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.e4
D25 Queen's Gambit (Accepted, 4.e3)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3
D25 Queen's Gambit (Accepted, Smyslov Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6
D25 Queen's Gambit (Accepted, Flohr Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Be6
D26 Queen's Gambit (Accepted, 4...e6)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6
D26 Queen's Gambit (Accepted, Classical Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5
D26 Queen's Gambit (Accepted, 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
D26 Queen's Gambit (Accepted, Classical Variation, 6.O-O)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O
D26 Queen's Gambit (Accepted, Classical, Steinitz Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4
D27 Queen's Gambit (Accepted, Classical, 6...a6)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6
D27 Queen's Gambit (Accepted, Classical, Rubinstein Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4
D27 Queen's Gambit (Accepted, Classical, Geller Variation)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.e4
D28 Queen's Gambit (Accepted, Classical, 7.Qe2)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2
D28 Queen's Gambit (Accepted, 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
D28 Queen's Gambit (Accepted, 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
D29 Queen's Gambit (Accepted, 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
D29 Queen's Gambit (Accepted, 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
D30 Queen's Gambit (Declined, Slav Defence)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2
D30 Queen's Gambit (Declined, Stonewall Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Ne4 6.Bd3 f5
D30 Queen's Gambit (Declined, Slav Defence)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7
D30 Queen's Gambit (Declined, Slav Defence, Semmering Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 6.Bd3 c5
D30 Queen's Gambit (Declined, Spielmann Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 g6
D30 Queen's Gambit (Declined)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5
D30 Queen's Gambit (Declined, Capablanca Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nbd2
D30 Queen's Gambit (Declined, Vienna Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Bb4
D30 Queen's Gambit (Declined, Hastings Variation)
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 7.Qb3
D31 Queen's Gambit (Declined, 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
D31 Queen's Gambit (Declined, 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
D31 Queen's Gambit (Declined, 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
D32 Queen's Gambit (Declined, Tarrasch Defence, Tarrasch Gambit)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.dxc5 d4 6.Na4 b5
D32 Queen's Gambit (Declined, Tarrasch Defence)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3
D33 Queen's Gambit (Declined, Tarrasch, Schlechter-Rubinstein System)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3
D33 Queen's Gambit (Declined, Tarrasch, Folkestone (Swedish) Variation)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4
D33 Queen's Gambit (Declined, Tarrasch, Prague Variation)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6
D33 Queen's Gambit (Declined, Tarrasch, Wagner Variation)
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Bg4
D34 Queen's Gambit (Declined, 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
D34 Queen's Gambit (Declined, 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
D34 Queen's Gambit (Declined, 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
D34 Queen's Gambit (Declined, 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
D34 Queen's Gambit (Declined, 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
D34 Queen's Gambit (Declined, 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
D35 Queen's Gambit (Declined, Harrwitz Attack)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bf4
D35 Queen's Gambit (Declined, Exchange, Saemisch Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Nf3 Nbd7 6.Bf4
D35 Queen's Gambit (Declined, Exchange, positional line)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5
D35 Queen's Gambit (Declined, 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
D35 Queen's Gambit (Declined, Exchange, positional line, 5...c6)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6
D36 Queen's Gambit (Declined, Exchange, positional line, 6.Qc2)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2
D37 Queen's Gambit (Declined, 4.Nf3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3
D37 Queen's Gambit (Declined, Classical Variation (5.Bf4))
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4
D38 Queen's Gambit (Declined, Ragozin Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4
D39 Queen's Gambit (Declined, Ragozin, Vienna Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4
D40 Queen's Gambit (Declined, 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
D40 Queen's Gambit (Declined, 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
D41 Queen's Gambit (Declined, Semi-Tarrasch, 5.cd)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5
D41 Queen's Gambit (Declined, 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
D41 Queen's Gambit (Declined, 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
D41 Queen's Gambit (Declined, Semi-Tarrasch With e3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3
D42 Queen's Gambit (Declined, Semi-Tarrasch, 7.Bd3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3
D43 Queen's Gambit (Declined, Semi-Slav)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6
D43 Queen's Gambit (Declined, Semi-Slav, Hastings Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3
D44 Queen's Gambit (Declined, Semi-Slav, 5.Bg5 dc)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4
D44 Queen's Gambit (Declined, Semi-Slav, Botvinnik System)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4
D44 Queen's Gambit (Declined, Semi-Slav, Ekstroem 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
D44 Queen's Gambit (Declined, 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
D44 Queen's Gambit (Declined, 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
D44 Queen's Gambit (Declined, 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
D44 Queen's Gambit (Declined, 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
D45 Queen's Gambit (Declined, Semi-Slav, 5.e3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3
D45 Queen's Gambit (Declined, Semi-Slav, Stonewall Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Ne4 6.Bd3 f5
D45 Queen's Gambit (Declined, Semi-Slav, 5...Nd7)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7
D45 Queen's Gambit (Declined, Semi-Slav, Stoltz Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2
D45 Queen's Gambit (Declined, Semi-Slav, Rubinstein (Anti-Meran) System)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Ne5
D46 Queen's Gambit (Declined, Semi-Slav, 6.Bd3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3
D46 Queen's Gambit (Bogolyubov Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Be7
D46 Queen's Gambit (Declined, Semi-Slav, Romih Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bb4
D46 Queen's Gambit (Declined, Semi-Slav, Chigorin Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bd6
D47 Queen's Gambit (Declined, Semi-Slav, 7.Bc4)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4
D47 Queen's Gambit (Declined, 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
D47 Queen's Gambit (Declined, 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
D47 Queen's Gambit (Declined, 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
D48 Queen's Gambit (Declined, 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
D48 Queen's Gambit (Declined, 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
D48 Queen's Gambit (Declined, 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
D48 Queen's Gambit (Declined, 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
D48 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D49 Queen's Gambit (Declined, 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
D50 Queen's Gambit (Declined, 4.Bg5)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5
D50 Queen's Gambit (Declined, 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
D50 Queen's Gambit (Declined, Semi-Tarrasch, Primitive Pillsbury Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.Nf3 cxd4 6.Qxd4
D50 Queen's Gambit (Declined, Semi-Tarrasch)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5
D50 Queen's Gambit (Declined, Canal Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 Qb6
D51 Queen's Gambit (Declined, 4.Bg5 Nbd7)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7
D51 Queen's Gambit (Declined, Rochlin Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.Rc1 Qa5 7.Bd2
D51 Queen's Gambit (Declined, Alekhine Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e4
D51 Queen's Gambit (Declined)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3
D51 Queen's Gambit (Declined, Manhattan Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 Bb4
D51 Queen's Gambit (Declined, 5...c6)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6
D52 Queen's Gambit (Declined)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3
D52 Queen's Gambit (Declined, Cambridge Springs Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5
D52 Queen's Gambit (Declined, 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
D52 Queen's Gambit (Declined, 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
D52 Queen's Gambit (Declined, 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
D52 Queen's Gambit (Declined, 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
D52 Queen's Gambit (Declined, 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
D52 Queen's Gambit (Declined, 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
D53 Queen's Gambit (Declined, 4.Bg5 Be7)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7
D53 Queen's Gambit (Declined, Lasker Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Ne4
D53 Queen's Gambit (Declined, 4.Bg5 Be7, 5.e3 O-O)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O
D54 Queen's Gambit (Declined, Anti-neo-orthodox Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1
D55 Queen's Gambit (Declined, 6.Nf3)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3
D55 Queen's Gambit (Declined, 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
D55 Queen's Gambit (Declined, Neo-orthodox Variation)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6
D55 Queen's Gambit (Declined, 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
D55 Queen's Gambit (Declined, 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
D55 Queen's Gambit (Declined, 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
D56 Queen's Gambit (Declined, Lasker Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4
D56 Queen's Gambit (Declined, 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
D56 Queen's Gambit (Declined, 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
D57 Queen's Gambit (Declined, 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
D57 Queen's Gambit (Declined, 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
D58 Queen's Gambit (Declined, 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
D59 Queen's Gambit (Declined, 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
D59 Queen's Gambit (Declined, 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
D60 Queen's Gambit (Declined, Orthodox Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7
D60 Queen's Gambit (Declined, 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
D60 Queen's Gambit (Declined, 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
D61 Queen's Gambit (Declined, 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
D62 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, 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
D63 Queen's Gambit (Declined, Orthodox Defence)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6
D64 Queen's Gambit (Declined, 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
D64 Queen's Gambit (Declined, 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
D64 Queen's Gambit (Declined, 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
D64 Queen's Gambit (Declined, 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
D65 Queen's Gambit (Declined, 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
D66 Queen's Gambit (Declined, 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
D66 Queen's Gambit (Declined, 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
D67 Queen's Gambit (Declined, 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
D67 Queen's Gambit (Declined, 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
D67 Queen's Gambit (Declined, 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
D67 Queen's Gambit (Declined, 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
D67 Queen's Gambit (Declined, 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
D68 Queen's Gambit (Declined, 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
D68 Queen's Gambit (Declined, 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
D68 Queen's Gambit (Declined, 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
D69 Queen's Gambit (Declined, 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
D71 Gruenfeld Defence (Neo-Gruenfeld Defence, 5.cd)
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5
D72 Gruenfeld Defence (Neo-Gruenfeld Defence, 5.cd, Main line)
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2
D73 Gruenfeld Defence (Neo-Gruenfeld Defence, 5.Nf3)
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3
D74 Gruenfeld Defence (Neo-Gruenfeld Defence, 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
D75 Gruenfeld Defence (Neo-Gruenfeld Defence, 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
D75 Gruenfeld Defence (Neo-Gruenfeld Defence, 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
D76 Gruenfeld Defence (Neo-Gruenfeld Defence, 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
D77 Gruenfeld Defence (Neo-Gruenfeld Defence, 6.O-O)
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O
D78 Gruenfeld Defence (Neo-Gruenfeld Defence, 6.O-O c6)
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6
D79 Gruenfeld Defence (Neo-Gruenfeld Defence, 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
D80 Gruenfeld Defence
1.d4 Nf6 2.c4 g6 3.Nc3 d5
D80 Gruenfeld Defence (Spike Gambit)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.g4
D80 Gruenfeld Defence (Stockholm Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5
D80 Gruenfeld Defence (Lundin Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 Ne4 5.Nxe4 dxe4 6.Qd2 c5
D81 Gruenfeld Defence (Russian Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3
D82 Gruenfeld Defence (4.Bf4)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4
D83 Gruenfeld Defence (Gruenfeld Gambit)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O
D83 Gruenfeld Defence (Gruenfeld Gambit, Capablanca Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1
D83 Gruenfeld Defence (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
D84 Gruenfeld Defence (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
D85 Gruenfeld Defence (Exchange Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5
D85 Gruenfeld Defence (Modern Exchange Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3
D86 Gruenfeld Defence (Exchange Variation, Classical Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4
D86 Gruenfeld Defence (Exchange Variation, 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
D86 Gruenfeld Defence (Exchange Variation, 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
D86 Gruenfeld Defence (Exchange Variation, 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
D87 Gruenfeld Defence (Exchange Variation, 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
D87 Gruenfeld Defence (Exchange Variation, 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
D88 Gruenfeld Defence (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
D89 Gruenfeld Defence (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
D89 Gruenfeld Defence (Exchange Variation, 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
D90 Gruenfeld Defence (Schlechter Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 c6
D90 Gruenfeld Defence (Three Knights Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7
D90 Gruenfeld Defence (Flohr Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qa4
D91 Gruenfeld Defence (5.Bg5)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5
D92 Gruenfeld Defence (5.Bf4)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4
D93 Gruenfeld Defence (With Bf4 e3)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3
D94 Gruenfeld Defence (5000)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3
D94 Gruenfeld Defence (Makogonov Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.b4
D94 Gruenfeld Defence (Opovcensky Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2
D94 Gruenfeld Defence ( With e3 Bd3)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3
D94 Gruenfeld Defence (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
D94 Gruenfeld Defence (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
D95 Gruenfeld Defence (With e3 & Qb3)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3
D95 Gruenfeld Defence (Botvinnik Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 e6
D95 Gruenfeld Defence (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
D96 Gruenfeld Defence (Russian Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3
D97 Gruenfeld Defence (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
D97 Gruenfeld Defence (Russian Variation, Alekhine Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 a6
D97 Gruenfeld Defence (Russian Variation, Szabo Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6
D97 Gruenfeld Defence (Russian Variation, Levenfish Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 b6
D97 Gruenfeld Defence (Russian Variation, Byrne Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Nc6
D97 Gruenfeld Defence (Russian Variation, Prins Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Na6
D98 Gruenfeld Defence (Russian Variation, Smyslov Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4
D98 Gruenfeld Defence (Russian Variation, 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
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
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
E00 Queen's Pawn Game
1.d4 Nf6 2.c4 e6
E00 Neo-Indian Attack
1.d4 Nf6 2.c4 e6 3.Bg5
E00 Catalan Opening
1.d4 Nf6 2.c4 e6 3.g3
E01 Catalan Opening (Closed)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2
E02 Catalan Opening (Open, 5.Qa4)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4
E03 Catalan Opening (Open, Alekhine Variation)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4 Nbd7 6.Qxc4 a6 7.Qc2
E03 Catalan Opening (Open, 5.Qa4 Nbd7, 6.Qxc4)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4 Nbd7 6.Qxc4
E04 Catalan Opening (Open, 5.Nf3)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3
E05 Catalan Opening (Open, Classical line)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7
E06 Catalan Opening (Closed, 5.Nf3)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3
E07 Catalan Opening (Closed, 6...Nbd7)
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7
E07 Catalan Opening (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
E08 Catalan Opening (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
E08 Catalan Opening (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
E08 Catalan Opening (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
E08 Catalan Opening (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
E09 Catalan Opening (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
E09 Catalan Opening (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
E10 Queen's Pawn Game
1.d4 Nf6 2.c4 e6 3.Nf3
E10 Blumenfeld Counter-Gambit
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5
E10 Blumenfeld Counter-Gambit (Accepted)
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5
E10 Blumenfeld Counter-Gambit (Dus-Khotimirsky Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5
E10 Blumenfeld Counter-Gambit (Spielmann Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 h6
E10 Dzindzikhashvili Defence
1.d4 Nf6 2.c4 e6 3.Nf3 a6
E10 Doery Defence
1.d4 Nf6 2.c4 e6 3.Nf3 Ne4
E11 Bogo-Indian Defence
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4
E11 Bogo-Indian Defence (Gruenfeld Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4 4.Nbd2
E11 Bogo-Indian Defence (Nimzovich Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4 4.Bd2 Qe7
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
E12 Queen's Indian Defence
1.d4 Nf6 2.c4 e6 3.Nf3 b6
E12 Queen's Indian Defence (Miles Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Bf4
E12 Queen's Indian Defence (Petrosian System)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3
E12 Queen's Indian Defence (4.Nc3)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3
E12 Queen's Indian Defence (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
E13 Queen's Indian Defence (4.Nc3, Main line)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 Bb4
E14 Queen's Indian Defence (4000)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3
E14 Queen's Indian Defence (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
E15 Queen's Indian Defence (4.g3)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3
E15 Queen's Indian Defence (Nimzovich Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6
E15 Queen's Indian Defence (4.g3 Bb7)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7
E15 Queen's Indian Defence (Rubinstein Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4
E15 Queen's Indian Defence (Buerger Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Ng5
E16 Queen's Indian Defence (Capablanca Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4
E16 Queen's Indian Defence (Yates Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4 6.Bd2 a5
E16 Queen's Indian Defence (Riumin Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4 6.Bd2 Be7
E17 Queen's Indian Defence (5.Bg2 Be7)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7
E17 Queen's Indian Defence (Anti-Queen's Indian System)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3
E17 Queen's Indian Defence (Opovcensky Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2
E17 Queen's Indian Defence (old Main line, 6.O-O)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O
E17 Queen's Indian Defence (Euwe Variation)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3
E18 Queen's Indian Defence (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
E19 Queen's Indian Defence (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
E20 Nimzo-Indian Defence
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
E20 Nimzo-Indian Defence (Kmoch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3
E20 Nimzo-Indian Defence (Mikenas Attack)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qd3
E21 Nimzo-Indian Defence (three Knights, Korchnoi Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5
E21 Nimzo-Indian Defence (three Knights, Euwe Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.d5 Ne4
E22 Nimzo-Indian Defence (Spielmann Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3
E23 Nimzo-Indian Defence (Spielmann, 4...c5, 5.dc Nc6)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6
E23 Nimzo-Indian Defence (Spielmann, Karlsbad Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2
E23 Nimzo-Indian Defence (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
E23 Nimzo-Indian Defence (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
E24 Nimzo-Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3
E24 Nimzo-Indian Defence (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
E25 Nimzo-Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3 c5 6.f3 d5 7.cxd5
E25 Nimzo-Indian Defence (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
E25 Nimzo-Indian Defence (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
E26 Nimzo-Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3 c5 6.e3
E26 Nimzo-Indian Defence (Saemisch, O'Kelly Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3 c5 6.e3 b6
E27 Nimzo-Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3 O-O
E28 Nimzo-Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3 5.bxc3 O-O 6.e3
E29 Nimzo-Indian Defence (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
E29 Nimzo-Indian Defence (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
E30 Nimzo-Indian Defence (Leningrad Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5
E30 Nimzo-Indian Defence (Leningrad, ...b5 Gambit)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 b5
E31 Nimzo-Indian Defence (Leningrad, Main line)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6
E32 Nimzo-Indian Defence (Classical Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2
E32 Nimzo-Indian Defence (Classical, Adorjan Gambit)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 b5
E33 Nimzo-Indian Defence (Classical, 4...Nc6)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6
E34 Nimzo-Indian Defence (Classical, Noa Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5
E35 Nimzo-Indian Defence (Classical, Noa Variation, 5.cd ed)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5
E36 Nimzo-Indian Defence (Classical, Noa Variation, 5.a3)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3
E36 Nimzo-Indian Defence (Classical, Botvinnik Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3 6.Qxc3 Nc6
E36 Nimzo-Indian Defence (Classical, Noa Variation, Main line)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3 6.Qxc3 Ne4
E37 Nimzo-Indian Defence (Classical, Noa Variation, Main line, 7.Qc2)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3 6.Qxc3 Ne4 7.Qc2
E37 Nimzo-Indian Defence (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
E38 Nimzo-Indian Defence (Classical, 4...c5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5
E39 Nimzo-Indian Defence (Classical, Pirc Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O
E40 Nimzo-Indian Defence (4000)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3
E40 Nimzo-Indian Defence (4.e3, Taimanov Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Nc6
E41 Nimzo-Indian Defence (4.e3 c5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5
E41 Nimzo-Indian Defence (e3, Huebner Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3 7.bxc3 d6
E42 Nimzo-Indian Defence (4.e3 c5, 5.Ne2 (Rubinstein))
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2
E43 Nimzo-Indian Defence (Fischer Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6
E44 Nimzo-Indian Defence (Fischer Variation, 5.Ne2)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2
E45 Nimzo-Indian Defence (4.e3, Bronstein Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6
E46 Nimzo-Indian Defence (4.e3 O-O)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O
E46 Nimzo-Indian Defence (Reshevsky Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2
E46 Nimzo-Indian Defence (Simagin Variation)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bd6
E47 Nimzo-Indian Defence (4.e3 O-O, 5.Bd3)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3
E48 Nimzo-Indian Defence (4.e3 O-O, 5.Bd3 d5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5
E49 Nimzo-Indian Defence (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
E50 Nimzo-Indian Defence (4.e3 e8g8, 5.Nf3, Without ...d5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3
E51 Nimzo-Indian Defence (4.e3 e8g8, 5.Nf3 d7d5)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5
E51 Nimzo-Indian Defence (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
E52 Nimzo-Indian Defence (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
E53 Nimzo-Indian Defence (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
E53 Nimzo-Indian Defence (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
E53 Nimzo-Indian Defence (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
E54 Nimzo-Indian Defence (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
E54 Nimzo-Indian Defence (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
E55 Nimzo-Indian Defence (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
E56 Nimzo-Indian Defence (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
E57 Nimzo-Indian Defence (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
E58 Nimzo-Indian Defence (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
E59 Nimzo-Indian Defence (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
E60 King's Indian Defence
1.d4 Nf6 2.c4 g6
E60 King's Indian Defence (3.Nf3)
1.d4 Nf6 2.c4 g6 3.Nf3
E61 King's Indian Defence (3.Nc3)
1.d4 Nf6 2.c4 g6 3.Nc3
E61 King's Indian Defence (Smyslov System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.Bg5
E62 King's Indian Defence (Fianchetto Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3
E62 King's Indian Defence (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
E62 King's Indian Defence (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
E62 King's Indian Defence (Fianchetto With ...Nc6)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6
E62 King's Indian Defence (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
E62 King's Indian Defence (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
E62 King's Indian Defence (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
E63 King's Indian Defence (Fianchetto, 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
E64 King's Indian Defence (Fianchetto, Yugoslav System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5
E65 King's Indian Defence (Fianchetto, Yugoslav System, 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
E66 King's Indian Defence (Fianchetto, Yugoslav Panno)
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
E67 King's Indian Defence (Fianchetto With ...Nd7)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7
E67 King's Indian Defence (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
E68 King's Indian Defence (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
E69 King's Indian Defence (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
E70 King's Indian Defence (40000)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4
E70 King's Indian Defence (Kramer System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2
E70 King's Indian Defence (Accelerated Averbakh System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5
E71 King's Indian Defence (Makagonov System (5.h3))
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3
E72 King's Indian Defence (e4 & g3 Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3
E72 King's Indian Defence (Pomar System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 O-O 6.Bg2 e5 7.Nge2
E73 King's Indian Defence (5.Be2)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2
E73 King's Indian Defence (Semi-Averbakh System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3
E73 King's Indian Defence (Averbakh System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5
E74 King's Indian Defence (Averbakh System, 6...c5)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5
E75 King's Indian Defence (Averbakh System, Main line)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 e6
E76 King's Indian Defence (Four Pawns Attack)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4
E76 King's Indian Defence (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
E77 King's Indian Defence (Four Pawns Attack, 6.Be2)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2
E77 King's Indian Defence (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
E77 King's Indian Defence (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
E77 King's Indian Defence (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
E78 King's Indian Defence (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
E79 King's Indian Defence (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
E80 King's Indian Defence (Saemisch Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3
E81 King's Indian Defence (Saemisch, 5...O-O)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O
E81 King's Indian Defence (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
E82 King's Indian Defence (Saemisch, double Fianchetto Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6
E83 King's Indian Defence (Saemisch, 6...Nc6)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6
E83 King's Indian Defence (Saemisch, Ruban Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 Rb8
E83 King's Indian Defence (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
E84 King's Indian Defence (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
E85 King's Indian Defence (Saemisch, Orthodox Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5
E86 King's Indian Defence (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
E87 King's Indian Defence (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
E87 King's Indian Defence (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
E88 King's Indian Defence (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
E89 King's Indian Defence (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
E90 King's Indian Defence (5.Nf3)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3
E90 King's Indian Defence (Larsen Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be3
E90 King's Indian Defence (Zinnowitz Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Bg5
E91 King's Indian Defence (6.Be2)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2
E91 King's Indian Defence (Kazakh Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Na6
E92 King's Indian Defence (Classical Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5
E92 King's Indian Defence (Andersson Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.dxe5
E92 King's Indian Defence (Gligoric-Taimanov System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3
E92 King's Indian Defence (Petrosian System)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5
E92 King's Indian Defence (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
E93 King's Indian Defence (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
E93 King's Indian Defence (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
E94 King's Indian Defence (Orthodox Variation)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O
E94 King's Indian Defence (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
E94 King's Indian Defence (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
E95 King's Indian Defence (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
E96 King's Indian Defence (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
E97 King's Indian Defence (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
E98 King's Indian Defence (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
E99 King's Indian Defence (Orthodox, Aronin-Taimanov, Main line)
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
E99 King's Indian Defence (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