A00 | Benko's opening | | 2 1 1 | |
A01 | Nimzovich-Larsen attack | Indian variation | 1 0 0 | |
A01 | Nimzovich-Larsen attack | modern variation | 0 0 1 | |
A04 | Reti opening | | 4 5 3 | , , , , , , , , , , , |
A05 | Reti | King's Indian attack | 2 6 3 | , , , , , , , , , , |
A07 | Reti | King's Indian attack, Yugoslav variation | 1 0 0 | |
A10 | English opening | | 1 0 0 | |
A13 | English | Neo-Catalan | 1 1 0 | |
A13 | English opening | Agincourt variation | 1 1 0 | |
A14 | English | Neo-Catalan declined | 0 1 0 | |
A15 | English opening | | 5 7 3 | , , , , , , , , , , , , , , |
A15 | English, 1...Nf6 (Anglo-Indian defense) | | 1 0 1 | |
A16 | English opening | | 3 2 0 | |
A16 | English | Anglo-Gruenfeld, Czech defense | 0 2 0 | |
A16 | English | Anglo-Gruenfeld defense | 1 0 0 | |
A17 | English | Nimzo-English opening | 1 0 0 | |
A21 | English opening | | 0 1 0 | |
A25 | English | Sicilian reversed | 0 0 1 | |
A30 | English | symmetrical variation | 0 1 2 | |
A30 | English | symmetrical, hedgehog system | 1 0 0 | |
A31 | English | symmetrical, Benoni formation | 1 0 0 | |
A33 | English | symmetrical variation | 1 0 3 | |
A33 | English | symmetrical, Geller variation | 0 2 0 | |
A34 | English | symmetrical variation | 1 0 3 | |
A35 | English | symmetrical, four knights system | 0 3 3 | |
A35 | English | symmetrical variation | 2 0 0 | |
A36 | English | ultra-symmetrical variation | 1 1 0 | |
A36 | English | symmetrical, Botvinnik system | 0 1 0 | |
A37 | English | symmetrical, Botvinnik system reversed | 2 1 0 | |
A37 | English | symmetrical variation | 1 0 0 | |
A40 | Queen's pawn | | 0 1 0 | |
A43 | Old Benoni defence | | 0 0 2 | |
A44 | Semi-Benoni (`blockade variation') | | 0 0 1 | |
A45 | Trompovsky attack (Ruth, Opovcensky opening) | | 2 6 8 | , , , , , , , , , , , , , , , |
A45 | Queen's pawn game | | 1 1 2 | |
A46 | Queen's pawn game | | 0 2 1 | |
A46 | Queen's pawn | Yusupov-Rubinstein system | 0 0 1 | |
A46 | Queen's pawn | Torre attack | 1 0 0 | |
A48 | King's Indian | Torre attack | 5 6 2 | , , , , , , , , , , , , |
A48 | King's Indian | London system | 1 2 2 | |
A48 | King's Indian | East Indian defence | 1 2 1 | |
A49 | King's Indian | fianchetto without c4 | 3 3 2 | |
A56 | Czech Benoni | King's Indian system | 1 0 0 | |
A57 | Benko gambit half accepted | | 2 3 2 | |
A57 | Benko gambit | | 3 0 1 | |
A58 | Benko gambit accepted | | 0 0 1 | |
A58 | Benko gambit | fianchetto variation | 0 1 0 | |
A59 | Benko gambit | main line | 0 3 0 | |
A61 | Benoni defence | | 1 1 0 | |
A63 | Benoni | fianchetto, 9...Nbd7 | 1 0 0 | |
A67 | Benoni | Taimanov variation | 1 0 0 | |
A70 | Benoni | classical with e4 and Nf3 | 0 3 1 | |
A81 | Dutch defence | | 0 1 0 | |
A85 | Dutch with c4 & Nc3 | | 1 0 0 | |
B00 | King's pawn opening | | 0 0 1 | |
B01 | Scandinavian | Pytel-Wade variation | 0 0 2 | |
B06 | Robatsch (modern) defence | | 0 1 1 | |
B07 | Robatsch defence | Geller's system | 1 0 0 | |
B12 | Caro-Kann | 3.Nd2 | 0 0 1 | |
B12 | Caro-Kann | Tartakower (fantasy) variation | 1 0 0 | |
B16 | Caro-Kann | Bronstein-Larsen variation | 0 1 1 | |
B20 | Sicilian defence | | 3 2 2 | |
B20 | Sicilian | Keres variation (2.Ne2) | 0 1 0 | |
B21 | Sicilian | Grand Prix attack | 2 0 0 | |
B22 | Sicilian | Alapin's variation (2.c3) | 7 9 10 | , , , , , , , , , , , , , , , , , , , , , , , , , |
B23 | Sicilian | Grand Prix attack | 0 0 1 | |
B23 | Sicilian | closed, 2...Nc6 | 0 1 0 | |
B23 | Sicilian | closed | 1 0 0 | |
B23 | Sicilian | chameleon variation | 0 0 1 | |
B24 | Sicilian | closed | 2 0 0 | |
B25 | Sicilian | closed, 6.f4 | 2 0 0 | |
B27 | Sicilian | Quinteros variation | 1 1 0 | |
B27 | Sicilian | Hungarian variation | 1 0 0 | |
B28 | Sicilian | O'Kelly variation | 1 0 1 | |
B30 | Sicilian | Nimzovich-Rossolimo attack (without ...d6) | 4 3 4 | , , , , , , , , , , |
B30 | Sicilian defence | | 2 1 2 | |
B31 | Sicilian | Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 1 0 2 | |
B32 | Sicilian defence | | 10 4 2 | , , , , , , , , , , , , , , , |
B32 | Sicilian | Labourdonnais-Loewenthal variation | 0 1 1 | |
B32 | Sicilian | Flohr variation | 0 0 1 | |
B33 | Sicilian defence | | 1 4 0 | |
B33 | Sicilian | Pelikan, Bird variation | 1 0 0 | |
B33 | Sicilian | Sveshnikov variation | 0 0 1 | |
B35 | Sicilian | accelerated fianchetto, modern variation with Bc4 | 0 1 0 | |
B38 | Sicilian | accelerated fianchetto, Maroczy bind, 6.Be3 | 1 0 0 | |
B40 | Sicilian defence | | 9 9 14 | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
B41 | Sicilian | Kan, Maroczy bind (Reti variation) | 0 0 2 | |
B41 | Sicilian | Kan variation | 0 1 0 | |
B42 | Sicilian | Kan, 5.Bd3 | 1 1 3 | |
B42 | Sicilian | Kan, Gipslis variation | 0 1 0 | |
B42 | Sicilian | Kan, Swiss cheese variation | 0 1 0 | |
B42 | Sicilian | Kan, Polugaievsky variation | 0 1 0 | |
B43 | Sicilian | Kan, 5.Nc3 | 4 3 1 | |
B44 | Sicilian, Szen (`anti-Taimanov') variation | | 0 3 6 | |
B44 | Sicilian defence | | 0 0 1 | |
B45 | Sicilian | Taimanov variation | 2 2 3 | |
B46 | Sicilian | Taimanov variation | 2 3 5 | |
B47 | Sicilian | Taimanov (Bastrikov) variation | 16 12 9 | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
B48 | Sicilian | Taimanov variation | 5 7 8 | , , , , , , , , , , , , , , , , , , , |
B49 | Sicilian | Taimanov variation | 0 2 0 | |
B50 | Sicilian | | 3 0 3 | |
B51 | Sicilian | Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 0 1 | |
B52 | Sicilian | Canal-Sokolsky attack, 3...Bd7 | 0 6 0 | |
B52 | Sicilian | Canal-Sokolsky attack, Sokolsky variation | 0 2 0 | |
B54 | Sicilian | | 1 1 1 | |
B54 | Sicilian | Prins (Moscow) variation | 0 1 0 | |
B56 | Sicilian | | 0 1 0 | |
B57 | Sicilian | Sozin, Benko variation | 0 1 1 | |
B60 | Sicilian | Richter-Rauzer | 0 0 1 | |
B67 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 1 0 0 | |
B80 | Sicilian | Scheveningen variation | 2 2 4 | |
B80 | Sicilian | Scheveningen, fianchetto variation | 0 1 2 | |
B81 | Sicilian | Scheveningen, Keres attack | 1 3 4 | |
B82 | Sicilian | Scheveningen, 6.f4 | 0 1 1 | |
B82 | Sicilian | Scheveningen, Tal variation | 0 1 0 | |
B83 | Sicilian | modern Scheveningen, main line | 2 1 0 | |
B84 | Sicilian | Scheveningen (Paulsen), classical variation | 2 0 6 | |
B84 | Sicilian | Scheveningen, classical, Nd7 system | 0 0 1 | |
B87 | Sicilian | Sozin with ...a6 and ...b5 | 1 0 0 | |
B90 | Sicilian | Najdorf, Byrne (English) attack | 6 8 7 | , , , , , , , , , , , , , , , , , , , , |
B90 | Sicilian | Najdorf | 6 2 4 | , , , , , , , , , , , |
B90 | Sicilian | Najdorf, Lipnitzky attack | 1 0 1 | |
B91 | Sicilian | Najdorf, Zagreb (fianchetto) variation | 1 0 0 | |
B92 | Sicilian | Najdorf, Opovcensky variation | 2 2 3 | |
B93 | Sicilian | Najdorf, 6.f4 | 1 0 1 | |
B96 | Sicilian | Najdorf, 7.f4 | 0 0 1 | |
B97 | Sicilian | Najdorf, 7...Qb6 | 0 1 1 | |
B98 | Sicilian | Najdorf, 7...Be7 | 0 1 2 | |
B99 | Sicilian | Najdorf, 7...Be7 main line | 1 0 1 | |
C00 | French | King's Indian attack | 0 1 0 | |
C01 | French | exchange variation | 0 2 1 | |
C02 | French | advance, Wade variation | 1 0 0 | |
C10 | French | Rubinstein variation | 0 1 0 | |
C42 | Petrov | classical attack | 2 1 0 | |
C42 | Petrov | classical attack, Jaenisch variation | 1 1 0 | |
C42 | Petrov | classical attack, Chigorin variation | 0 0 1 | |
C43 | Petrov | modern attack, main line | 0 0 1 | |
C55 | Two knights defence (Modern bishop's opening) | | 0 1 0 | |
C63 | Ruy Lopez | Schliemann defence, Berger variation | 0 1 0 | |
C80 | Ruy Lopez | open, Bernstein variation | 0 1 2 | |
C80 | Ruy Lopez | open, 8...Be6 | 0 1 0 | |
C89 | Ruy Lopez | Marshall, main line, 14...Qh3 | 0 1 0 | |
C92 | Ruy Lopez | closed, Kholmov variation | 0 1 0 | |
C92 | Ruy Lopez | closed, Flohr-Zaitsev system (Lenzerheide variation) | 1 0 0 | |
C96 | Ruy Lopez | closed, Keres (...Nd7) defence | 1 0 0 | |
C99 | Ruy Lopez | closed, Chigorin, 12...c5d4 | 1 0 0 | |
D01 | Richter-Veresov attack | | 1 0 0 | |
D02 | Queen's pawn game | | 0 0 1 | |
D20 | QGA | 3.e4 | 1 0 0 | |
D29 | QGA | classical, 8...Bb7 | 0 0 1 | |
D31 | QGD | 3.Nc3 | 0 2 2 | |
D33 | QGD | Tarrasch, Wagner variation | 1 0 0 | |
D35 | QGD | exchange, positional line | 0 0 1 | |
D37 | QGD | 4.Nf3 | 0 2 2 | |
D38 | QGD | Ragozin variation | 0 0 1 | |
D71 | Neo-Gruenfeld, 5.cd | | 0 2 0 | |
D72 | Neo-Gruenfeld, 5.cd, main line | | 0 1 1 | |
D77 | Neo-Gruenfeld, 6.O-O | | 3 0 3 | |
D83 | Gruenfeld | Gruenfeld gambit, Capablanca variation | 0 0 1 | |
D84 | Gruenfeld | Gruenfeld gambit accepted | 0 1 0 | |
D85 | Gruenfeld | modern exchange variation | 1 1 0 | |
D85 | Gruenfeld | exchange variation | 0 0 1 | |
D86 | Gruenfeld | exchange, classical variation | 0 1 0 | |
D87 | Gruenfeld | exchange, Spassky variation | 0 1 0 | |
D97 | Gruenfeld | Russian, Alekhine (Hungarian) variation | 1 0 0 | |
E00 | Catalan opening | | 1 0 0 | |
E06 | Catalan | closed, 5.Nf3 | 0 4 1 | |
E10 | Queen's pawn game | | 1 1 1 | |
E11 | Bogo-Indian defence, Gruenfeld variation | | 0 1 2 | |
E11 | Bogo-Indian defence | | 0 0 1 | |
E12 | Queen's Indian | Petrosian system | 5 2 3 | |
E12 | Queen's Indian | 4.Nc3 | 2 2 1 | |
E12 | Queen's Indian | 4.Nc3, Botvinnik variation | 1 0 0 | |
E14 | Queen's Indian | 4.e3 | 0 0 2 | |
E15 | Queen's Indian | Nimzovich variation (exaggerated fianchetto) | 4 14 7 | , , , , , , , , , , , , , , , , , , , , , , , , |
E16 | Queen's Indian | Yates variation | 0 4 1 | |
E17 | Queen's Indian | old main line, 6.O-O | 1 3 3 | |
E17 | Queen's Indian | anti-Queen's Indian system | 1 1 0 | |
E17 | Queen's Indian | Opovcensky variation | 0 2 0 | |
E18 | Queen's Indian | old main line, 7.Nc3 | 1 1 0 | |
E19 | Queen's Indian | old main line, 9.Qxc3 | 0 0 1 | |
E20 | Nimzo-Indian | Kmoch variation | 0 0 1 | |
E20 | Nimzo-Indian | Romanishin-Kasparov (Steiner) system | 0 1 0 | |
E21 | Nimzo-Indian | three knights variation | 1 4 3 | |
E25 | Nimzo-Indian | Saemisch, Keres variation | 0 1 0 | |
E29 | Nimzo-Indian | Saemisch, Capablanca variation | 0 0 1 | |
E30 | Nimzo-Indian | Leningrad variation | 1 0 0 | |
E32 | Nimzo-Indian | classical variation | 3 7 5 | , , , , , , , , , , , , , , |
E35 | Nimzo-Indian | classical, Noa variation, 5.cd ed | 1 0 1 | |
E37 | Nimzo-Indian | classical, Noa variation, main line, 7.Qc2 | 0 0 1 | |
E41 | Nimzo-Indian | 4.e3 c5 | 1 0 0 | |
E44 | Nimzo-Indian | Fischer variation, 5.Ne2 | 0 1 0 | |
E46 | Nimzo-Indian | Simagin variation | 0 2 0 | |
E46 | Nimzo-Indian | Reshevsky variation | 1 0 0 | |
E48 | Nimzo-Indian | 4.e3 O-O, 5.Bd3 d5 | 1 0 2 | |
E49 | Nimzo-Indian | 4.e3, Botvinnik system | 1 2 1 | |
E53 | Nimzo-Indian | 4.e3, main line with ...c5 | 0 3 1 | |
E54 | Nimzo-Indian | 4.e3, Gligoric system with 7...dc | 1 2 0 | |
E60 | King's Indian, 3.Nf3 | | 4 6 4 | , , , , , , , , , , , , , |
E60 | King's Indian | 3.g3 | 0 1 0 | |
E61 | King's Indian defence, 3.Nc3 | | 0 0 1 | |
E62 | King's Indian | fianchetto, Uhlmann (Szabo) variation | 2 6 5 | , , , , , , , , , , , , |
E62 | King's Indian | fianchetto with ...Nc6 | 2 1 0 | |
E62 | King's Indian | fianchetto, Simagin variation | 1 1 1 | |
E62 | King's Indian | fianchetto, lesser Simagin (Spassky) variation | 1 0 1 | |
E63 | King's Indian | fianchetto, Panno variation | 0 3 0 | |
E66 | King's Indian | fianchetto, Yugoslav Panno | 0 0 1 | |
E67 | King's Indian | fianchetto, classical variation | 0 1 0 | |
E68 | King's Indian | fianchetto, classical variation, 8.e4 | 2 1 1 | |
E69 | King's Indian | fianchetto, classical main line | 1 0 1 | |
E70 | King's Indian | 4.e4 | 4 0 0 | |
E70 | King's Indian | Kramer system | 1 0 1 | |
E71 | King's Indian | Makagonov system (5.h3) | 2 3 2 | |
E73 | King's Indian | Averbakh system | 6 3 1 | |
E73 | King's Indian | Semi-Averbakh system | 1 0 1 | |
E74 | King's Indian | Averbakh, 6...c5 | 0 1 2 | |
E76 | King's Indian | Four pawns attack | 0 0 1 | |
E77 | King's Indian | Four pawns attack | 1 1 0 | |
E79 | King's Indian | Four pawns attack, main line | 0 1 0 | |
E81 | King's Indian | Saemisch, 5...O-O | 9 8 5 | , , , , , , , , , , , , , , , , , , , , , |
E90 | King's Indian | 5.Nf3 | 3 1 0 | |
E90 | King's Indian | Larsen variation | 0 1 0 | |
E91 | King's Indian | Kazakh variation | 0 0 1 | |
E92 | King's Indian | Gligoric-Taimanov system | 4 2 2 | |
E92 | King's Indian | Petrosian system, Stein variation | 4 1 0 | |
E92 | King's Indian | Andersson variation | 0 0 1 | |
E92 | King's Indian | Petrosian system | 0 1 0 | |
E94 | King's Indian | orthodox variation | 3 3 5 | , , , , , , , , , , |
E95 | King's Indian | orthodox, 7...Nbd7, 8.Re1 | 0 1 0 | |
E97 | King's Indian | orthodox, Aronin-Taimanov, bayonet attack | 6 3 10 | , , , , , , , , , , , , , , , , , , |
E97 | King's Indian | orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 5 5 2 | , , , , , , , , , , , |
E98 | King's Indian | orthodox, Aronin-Taimanov, 9.Ne1 | 4 4 5 | , , , , , , , , , , , , |