| A00 | Benko's opening | | 3 3 0 | |
| A04 | Reti opening | | 4 3 1 | |
| A04 | Reti v Dutch | | 1 1 0 | |
| A05 | Reti | King's Indian attack | 3 2 0 | |
| A05 | Reti opening | | 2 1 0 | |
| A07 | Reti | King's Indian attack (Barcza system) | 0 2 0 | |
| A07 | Reti | King's Indian attack | 0 1 0 | |
| A09 | Reti opening | | 0 3 0 | |
| A09 | Reti | advance variation | 0 1 0 | |
| A10 | English opening | | 1 2 0 | |
| A10 | English | Anglo-Dutch defense | 1 0 0 | |
| A11 | English | Caro-Kann defensive system | 0 1 0 | |
| A12 | English | Caro-Kann defensive system | 0 1 0 | |
| A13 | English opening | | 4 2 0 | |
| A13 | English opening | Agincourt variation | 0 5 0 | |
| A13 | English | Neo-Catalan accepted | 1 1 1 | |
| A13 | English | Neo-Catalan | 0 2 0 | |
| A13 | English | Wimpey system | 1 1 0 | |
| A14 | English | Symmetrical, Keres defence | 1 4 0 | |
| A14 | English | Neo-Catalan declined | 3 2 0 | |
| A15 | English opening | | 14 20 3 | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
| A16 | English | Anglo-Gruenfeld defense | 3 1 0 | |
| A16 | English | Anglo-Gruenfeld, Smyslov defense | 1 0 0 | |
| A16 | English opening | | 0 1 0 | |
| A17 | English opening | | 1 4 2 | |
| A17 | English | Nimzo-English opening | 2 2 0 | |
| A17 | English | Queens Indian formation | 1 1 0 | |
| A17 | English | Queens Indian, Romanishin variation | 1 0 0 | |
| A18 | English | Mikenas-Carls, Flohr variation | 1 0 0 | |
| A20 | English opening | | 3 2 0 | |
| A21 | English, Kramnik-Shirov counterattack | | 0 1 0 | |
| A22 | English | Bremen, Smyslov system | 0 1 0 | |
| A23 | English | Bremen system, Keres variation | 1 0 0 | |
| A25 | English | closed, Hort variation | 1 0 0 | |
| A25 | English | closed system | 1 0 0 | |
| A25 | English | closed, 5.Rb1 | 1 0 0 | |
| A28 | English | four knights system | 1 1 0 | |
| A28 | English | four knights, Capablanca variation | 0 2 0 | |
| A29 | English | four knights, kingside fianchetto | 6 3 0 | |
| A30 | English | symmetrical variation | 6 2 2 | |
| A30 | English | symmetrical, hedgehog system | 0 5 0 | |
| A31 | English | symmetrical, Benoni formation | 0 1 0 | |
| A32 | English | symmetrical variation | 0 1 0 | |
| A33 | English | symmetrical variation | 0 1 0 | |
| A33 | English | symmetrical, Geller variation | 0 1 0 | |
| A34 | English | symmetrical, three knights system | 3 3 2 | |
| A34 | English | symmetrical, Rubinstein system | 0 2 0 | |
| A35 | English | symmetrical, four knights system | 6 3 1 | |
| A36 | English | ultra-symmetrical variation | 0 1 0 | |
| A39 | English | symmetrical, main line with d4 | 0 2 0 | |
| A40 | Queen's pawn | | 1 0 1 | |
| A40 | Modern defence | | 1 0 0 | |
| A41 | Old Indian defence | | 1 0 0 | |
| A41 | Queen's Pawn | | 0 1 0 | |
| A42 | Modern defence | Averbakh system | 1 1 0 | |
| A42 | Modern defence | Averbakh system, Kotov variation | 1 0 0 | |
| A42 | Pterodactyl defence | | 0 0 1 | |
| A43 | Old Benoni defence | | 0 1 2 | |
| A46 | Queen's pawn game | | 1 2 0 | |
| A46 | Queen's pawn | Yusupov-Rubinstein system | 1 1 0 | |
| A46 | Queen's pawn | Torre attack | 1 0 0 | |
| A53 | Old Indian defence | | 0 2 0 | |
| A54 | Old Indian | Ukrainian variation, 4.Nf3 | 0 1 0 | |
| A56 | Czech Benoni defence | | 1 0 0 | |
| A56 | Benoni defence | | 0 1 0 | |
| A57 | Benko gambit | | 1 0 0 | |
| A61 | Benoni | Uhlmann variation | 1 0 0 | |
| A62 | Benoni | fianchetto variation | 0 1 0 | |
| A64 | Benoni | fianchetto, 11...Re8 | 0 1 0 | |
| A67 | Benoni | Taimanov variation | 2 0 0 | |
| A80 | Dutch | | 1 0 0 | |
| A81 | Dutch defence | | 1 0 0 | |
| A82 | Dutch | Staunton gambit | 1 0 0 | |
| A83 | Dutch | Staunton gambit, Staunton's line | 0 1 0 | |
| A84 | Dutch defence | | 1 0 0 | |
| A87 | Dutch | Leningrad, main variation | 1 0 0 | |
| A89 | Dutch | Leningrad, main variation with Nc6 | 1 0 0 | |
| A93 | Dutch | stonewall, Botwinnik variation | 0 1 0 | |
| A96 | Dutch | classical variation | 1 0 0 | |
| B00 | King's pawn opening | | 2 1 1 | |
| B00 | KP | Nimzovich defence | 1 0 0 | |
| B01 | Scandinavian | Marshall variation | 1 1 0 | |
| B01 | Scandinavian | Anderssen counter-attack, Goteborg system | 1 0 0 | |
| B01 | Scandinavian (centre counter) defence | | 1 0 0 | |
| B02 | Alekhine's defence | Saemisch attack | 2 0 0 | |
| B02 | Alekhine's defence | Scandinavian variation | 1 1 0 | |
| B03 | Alekhine's defence | | 1 1 0 | |
| B03 | Alekhine's defence | exchange variation | 1 0 0 | |
| B03 | Alekhine's defence | Balogh variation | 1 0 0 | |
| B04 | Alekhine's defence | modern, Larsen variation | 1 1 0 | |
| B04 | Alekhine's defence | modern variation | 0 0 1 | |
| B04 | Alekhine's defence | modern, fianchetto variation | 1 0 0 | |
| B05 | Alekhine's defence | modern variation, 4...Bg4 | 1 2 0 | |
| B06 | Robatsch (modern) defence | | 8 1 1 | |
| B06 | Robatsch defence | Pseudo-Austrian attack | 3 0 0 | |
| B06 | Robatsch defence | two knights variation | 1 1 1 | |
| B06 | Robatsch defence | two knights, Suttles variation | 2 0 0 | |
| B07 | Pirc | Ufimtsev-Pytel variation | 2 0 0 | |
| B07 | Pirc | Byrne variation | 2 0 0 | |
| B07 | Pirc defence | | 1 0 0 | |
| B07 | Robatsch defence | Geller's system | 1 0 0 | |
| B07 | Pirc | Sveshnikov system | 0 1 0 | |
| B07 | Pirc | 150 attack | 0 0 1 | |
| B08 | Pirc | classical system, 5.Be2 | 1 4 0 | |
| B08 | Pirc | classical (two knights) system | 1 2 0 | |
| B08 | Pirc | classical, h3 system | 1 0 0 | |
| B09 | Pirc | Austrian attack, 6.Bd3 | 1 0 0 | |
| B09 | Pirc | Austrian attack, 6.Be3 | 1 0 0 | |
| B09 | Pirc | Austrian attack, dragon formation | 1 0 0 | |
| B10 | Caro-Kann | two knights variation | 2 0 2 | |
| B10 | Caro-Kann | anti-Caro-Kann defence | 3 1 0 | |
| B10 | Caro-Kann | anti-anti-Caro-Kann defence | 3 0 0 | |
| B10 | Caro-Kann | closed (Breyer) variation | 1 0 0 | |
| B11 | Caro-Kann | two knights, 3...Bg4 | 0 3 0 | |
| B12 | Caro-Kann | advance variation | 4 7 2 | , , , , , , , , , , , , |
| B13 | Caro-Kann | Panov-Botvinnik attack | 2 0 0 | |
| B13 | Caro-Kann | Panov-Botvinnik, Czerniak variation | 0 1 0 | |
| B14 | Caro-Kann | Panov-Botvinnik attack, 5...e6 | 4 4 0 | |
| B14 | Caro-Kann | Panov-Botvinnik attack, 5...g6 | 2 2 1 | |
| B15 | Caro-Kann defence | | 3 0 0 | |
| B15 | Caro-Kann | Forgacs variation | 1 0 0 | |
| B15 | Caro-Kann | Gurgenidze counter-attack | 1 0 0 | |
| B15 | Caro-Kann | Gurgenidze system | 1 0 0 | |
| B15 | Caro-Kann | Tartakower (Nimzovich) variation | 1 0 0 | |
| B16 | Caro-Kann | Bronstein-Larsen variation | 2 1 0 | |
| B17 | Caro-Kann | Steinitz variation | 10 2 2 | , , , , , , , , , , , , , |
| B18 | Caro-Kann | classical variation | 6 4 2 | , , , , , , , , , , , |
| B18 | Caro-Kann | classical, 6.h4 | 0 1 0 | |
| B19 | Caro-Kann | classical, Spassky variation | 2 2 2 | |
| B19 | Caro-Kann | classical, 7...Nd7 | 0 0 1 | |
| B22 | Sicilian | Alapin's variation (2.c3) | 0 1 0 | |
| B23 | Sicilian | closed | 0 1 0 | |
| B27 | Sicilian | Hungarian variation | 1 0 0 | |
| B28 | Sicilian | O'Kelly variation | 1 1 0 | |
| B29 | Sicilian | Nimzovich-Rubinstein variation | 2 1 0 | |
| B29 | Sicilian | Nimzovich-Rubinstein; Rubinstein counter-gambit | 0 1 0 | |
| B30 | Sicilian | Nimzovich-Rossolimo attack (without ...d6) | 6 0 0 | |
| B30 | Sicilian defence | | 2 0 0 | |
| B31 | Sicilian | Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 3 2 0 | |
| B32 | Sicilian defence | | 0 2 0 | |
| B32 | Sicilian | Labourdonnais-Loewenthal variation | 1 0 0 | |
| B33 | Sicilian defence | | 3 0 0 | |
| B33 | Sicilian | Pelikan (Lasker/Sveshnikov) variation | 1 1 0 | |
| B33 | Sicilian | Sveshnikov variation | 1 0 0 | |
| B33 | Sicilian | Pelikan, Bird variation | 1 0 0 | |
| B33 | Sicilian | Pelikan, Chelyabinsk variation | 0 1 0 | |
| B35 | Sicilian | accelerated fianchetto, modern variation with Bc4 | 7 3 0 | |
| B36 | Sicilian | accelerated fianchetto, Gurgenidze variation | 3 1 0 | |
| B36 | Sicilian | accelerated fianchetto, Maroczy bind | 0 1 0 | |
| B37 | Sicilian | accelerated fianchetto, Maroczy bind, 5...Bg7 | 0 0 1 | |
| B38 | Sicilian | accelerated fianchetto, Maroczy bind, 6.Be3 | 2 0 1 | |
| B39 | Sicilian | accelerated fianchetto, Breyer variation | 2 2 0 | |
| B40 | Sicilian defence | | 4 4 1 | |
| B40 | Sicilian | Anderssen variation | 2 0 0 | |
| B41 | Sicilian | Kan variation | 1 0 0 | |
| B42 | Sicilian | Kan, 5.Bd3 | 2 1 0 | |
| B42 | Sicilian | Kan, Gipslis variation | 1 0 0 | |
| B43 | Sicilian | Kan, 5.Nc3 | 9 5 2 | , , , , , , , , , , , , , , , |
| B44 | Sicilian, Szen, hedgehog variation | | 0 1 0 | |
| B45 | Sicilian | Taimanov variation | 1 1 0 | |
| B46 | Sicilian | Taimanov variation | 3 8 2 | , , , , , , , , , , , , |
| B47 | Sicilian | Taimanov (Bastrikov) variation | 4 4 0 | |
| B48 | Sicilian | Taimanov variation | 4 2 0 | |
| B49 | Sicilian | Taimanov variation | 1 0 0 | |
| B50 | Sicilian | | 2 0 1 | |
| B51 | Sicilian | Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 1 0 | |
| B52 | Sicilian | Canal-Sokolsky attack, Sokolsky variation | 1 1 0 | |
| B52 | Sicilian | Canal-Sokolsky attack, 3...Bd7 | 1 1 0 | |
| B53 | Sicilian, Chekhover variation | | 2 0 0 | |
| B56 | Sicilian | | 2 1 0 | |
| B56 | Sicilian | Venice attack | 1 0 0 | |
| B57 | Sicilian | Sozin, not Scheveningen | 0 2 0 | |
| B60 | Sicilian | Richter-Rauzer | 0 2 0 | |
| B60 | Sicilian | Richter-Rauzer, Larsen variation | 0 1 0 | |
| B61 | Sicilian | Richter-Rauzer, Larsen variation, 7.Qd2 | 4 0 0 | |
| B62 | Sicilian | Richter-Rauzer, Richter attack | 0 0 1 | |
| B63 | Sicilian | Richter-Rauzer, Rauzer attack, 7...Be7 | 6 0 3 | |
| B63 | Sicilian | Richter-Rauzer, Rauzer attack | 2 0 0 | |
| B64 | Sicilian | Richter-Rauzer, Rauzer attack, Geller variation | 1 0 0 | |
| B65 | Sicilian | Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4 | 0 1 1 | |
| B66 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 | 5 4 0 | |
| B67 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 6 2 0 | |
| B68 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7 | 2 1 0 | |
| B69 | Sicilian | Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6 | 1 0 0 | |
| B70 | Sicilian | dragon variation | 3 0 0 | |
| B71 | Sicilian | dragon, Levenfish variation | 1 0 0 | |
| B72 | Sicilian | dragon, 6.Be3 | 0 1 0 | |
| B74 | Sicilian | dragon, classical, Reti-Tartakower variation | 1 0 0 | |
| B75 | Sicilian | dragon, Yugoslav attack | 0 3 0 | |
| B77 | Sicilian | dragon, Yugoslav attack, 9...Bd7 | 1 1 0 | |
| B77 | Sicilian | dragon, Yugoslav attack, 9.Bc4 | 1 0 0 | |
| B80 | Sicilian | Scheveningen variation | 1 0 0 | |
| B80 | Sicilian | Scheveningen, fianchetto variation | 1 0 0 | |
| B81 | Sicilian | Scheveningen, Keres attack | 2 1 0 | |
| B82 | Sicilian | Scheveningen, 6.f4 | 3 6 0 | |
| B82 | Sicilian | Scheveningen, Tal variation | 1 0 1 | |
| B83 | Sicilian | modern Scheveningen, main line | 5 2 0 | |
| B83 | Sicilian | modern Scheveningen, main line with Nb3 | 0 1 0 | |
| B83 | Sicilian | Scheveningen, 6.Be2 | 0 1 0 | |
| B84 | Sicilian | Scheveningen (Paulsen), classical variation | 1 1 0 | |
| B84 | Sicilian | Scheveningen, classical, Nd7 system | 1 0 0 | |
| B85 | Sicilian | Scheveningen, classical main line | 1 2 1 | |
| B85 | Sicilian | Scheveningen, classical | 0 0 1 | |
| B87 | Sicilian | Sozin with ...a6 and ...b5 | 1 0 0 | |
| B89 | Sicilian | Sozin, 7.Be3 | 1 0 1 | |
| B89 | Sicilian | Velimirovic attack | 1 0 0 | |
| B90 | Sicilian | Najdorf | 4 4 1 | |
| B90 | Sicilian | Najdorf, Byrne (English) attack | 0 0 1 | |
| B92 | Sicilian | Najdorf, Opovcensky variation | 3 7 0 | |
| B93 | Sicilian | Najdorf, 6.f4 | 4 2 0 | |
| B94 | Sicilian | Najdorf, 6.Bg5 | 7 0 1 | |
| B95 | Sicilian | Najdorf, 6...e6 | 1 1 1 | |
| B96 | Sicilian | Najdorf, 7.f4 | 5 1 2 | |
| B96 | Sicilian | Najdorf, Polugayevsky variation | 0 1 1 | |
| B97 | Sicilian | Najdorf, Poisoned pawn variation | 5 1 0 | |
| B97 | Sicilian | Najdorf, 7...Qb6 | 1 1 1 | |
| B98 | Sicilian | Najdorf, 7...Be7 | 0 1 0 | |
| B99 | Sicilian | Najdorf, 7...Be7 main line | 1 2 0 | |
| C00 | French | King's Indian attack | 1 1 0 | |
| C00 | French | Chigorin variation | 1 0 0 | |
| C02 | French | advance variation | 0 1 0 | |
| C02 | French | advance, Paulsen attack | 0 1 0 | |
| C03 | French | Tarrasch | 0 1 0 | |
| C04 | French | Tarrasch, Guimard main line | 2 0 0 | |
| C05 | French | Tarrasch, closed variation | 2 1 0 | |
| C06 | French | Tarrasch, closed variation, main line | 3 0 0 | |
| C06 | French | Tarrasch, Leningrad variation | 1 0 0 | |
| C07 | French | Tarrasch, open variation | 8 7 2 | , , , , , , , , , , , , , , , , |
| C08 | French | Tarrasch, open, 4.ed ed | 1 2 0 | |
| C09 | French | Tarrasch, open variation, main line | 5 5 0 | |
| C10 | French | Rubinstein variation | 1 1 0 | |
| C10 | French | Paulsen variation | 0 1 0 | |
| C10 | French | Fort Knox variation | 1 0 0 | |
| C11 | French | Burn variation | 3 1 1 | |
| C11 | French | Steinitz, Boleslavsky variation | 1 0 0 | |
| C12 | French | MacCutcheon, Lasker variation, 8...g6 | 1 0 0 | |
| C14 | French | classical, Steinitz variation | 1 0 0 | |
| C15 | French | Winawer (Nimzovich) variation | 1 0 1 | |
| C15 | French | Winawer, Kondratiyev variation | 1 0 0 | |
| C16 | French | Winawer, advance variation | 1 3 1 | |
| C16 | French | Winawer, Petrosian variation | 3 0 0 | |
| C17 | French | Winawer, advance, 5.a3 | 1 0 0 | |
| C18 | French | Winawer, classical variation | 3 0 0 | |
| C19 | French | Winawer, advance, poisoned pawn variation | 3 2 2 | |
| C19 | French | Winawer, advance, poisoned pawn, Konstantinopolsky variation | 1 1 0 | |
| C25 | Vienna game | | 0 1 0 | |
| C32 | KGD | Falkbeer, 5.de | 0 0 1 | |
| C41 | Philidor | Hanham, Schlechter variation | 1 0 0 | |
| C41 | Philidor | Larsen variation | 0 1 0 | |
| C42 | Petrov | classical attack, Chigorin variation | 1 2 0 | |
| C42 | Petrov | classical attack | 1 1 0 | |
| C42 | Petrov's defence | | 0 0 1 | |
| C42 | Petrov | Nimzovich attack | 0 1 0 | |
| C43 | Petrov | modern attack, Trifunovic variation | 1 2 0 | |
| C43 | Petrov | modern attack, Symmetrical variation | 1 1 0 | |
| C43 | Petrov | modern attack, Bardeleben variation | 0 2 0 | |
| C43 | Petrov | modern (Steinitz) attack | 1 0 0 | |
| C43 | Petrov | modern attack, main line | 0 1 0 | |
| C44 | Scotch gambit | Dubois-Reti defence | 2 0 0 | |
| C44 | Scotch | Goering gambit | 1 0 0 | |
| C47 | Four knights | Scotch, 4...exd4 | 0 2 1 | |
| C47 | Four knights | Belgrade gambit | 1 1 0 | |
| C49 | Four knights | Nimzovich (Paulsen) variation | 0 1 0 | |
| C50 | King's pawn game | | 1 0 0 | |
| C60 | Ruy Lopez | fianchetto (Smyslov/Barnes) defence | 0 1 1 | |
| C60 | Ruy Lopez | Cozio defence | 1 0 0 | |
| C62 | Ruy Lopez | old Steinitz defence | 0 1 0 | |
| C63 | Ruy Lopez | Schliemann defence, Berger variation | 1 2 0 | |
| C64 | Ruy Lopez | classical defence, 4.c3 | 1 1 0 | |
| C64 | Ruy Lopez | classical defence, Benelux variation | 1 0 0 | |
| C65 | Ruy Lopez | Berlin defence | 1 1 0 | |
| C65 | Ruy Lopez | Berlin defence, 4.O-O | 1 0 0 | |
| C65 | Ruy Lopez | Berlin defence, Nyholm attack | 0 1 0 | |
| C66 | Ruy Lopez | closed Berlin defence, Wolf variation | 2 0 0 | |
| C66 | Ruy Lopez | Berlin defence, 4.O-O, d6 | 1 0 0 | |
| C67 | Ruy Lopez | Berlin defence, open variation | 1 3 0 | |
| C67 | Ruy Lopez | Berlin defence, Zukertort variation | 0 3 0 | |
| C67 | Ruy Lopez | Berlin defence, Minckwitz variation | 1 1 0 | |
| C67 | Ruy Lopez | open Berlin defence, 5...Be7 | 0 2 0 | |
| C70 | Ruy Lopez | fianchetto defence deferred | 1 0 0 | |
| C72 | Ruy Lopez | modern Steinitz defence, 5.O-O | 7 0 0 | |
| C74 | Ruy Lopez | modern Steinitz defence | 1 2 1 | |
| C75 | Ruy Lopez | modern Steinitz defence, Rubinstein variation | 3 0 0 | |
| C75 | Ruy Lopez | modern Steinitz defence | 1 2 0 | |
| C76 | Ruy Lopez | modern Steinitz defence, fianchetto (Bronstein) variation | 1 3 0 | |
| C77 | Ruy Lopez | Morphy defence | 1 0 0 | |
| C78 | Ruy Lopez | Archangelsk (counterthrust) variation | 2 4 2 | |
| C78 | Ruy Lopez | Moeller defence | 0 1 0 | |
| C78 | Ruy Lopez | 5.O-O | 1 0 0 | |
| C79 | Ruy Lopez | Steinitz defence deferred (Russian defence) | 4 1 1 | |
| C80 | Ruy Lopez | open, 7.Bb3 | 0 0 1 | |
| C80 | Ruy Lopez | open (Tarrasch) defence | 0 1 0 | |
| C80 | Ruy Lopez | open, 8...Be6 | 0 1 0 | |
| C80 | Ruy Lopez | open, Bernstein variation | 1 0 0 | |
| C81 | Ruy Lopez | open, Howell attack | 2 2 1 | |
| C82 | Ruy Lopez | open, St. Petersburg variation | 1 0 0 | |
| C82 | Ruy Lopez | open, Motzko attack | 1 0 0 | |
| C82 | Ruy Lopez | open, Berlin variation | 0 1 0 | |
| C83 | Ruy Lopez | open, Malkin variation | 0 0 1 | |
| C83 | Ruy Lopez | open, classical defence | 0 0 1 | |
| C85 | Ruy Lopez | Exchange variation doubly deferred (DERLD) | 1 5 0 | |
| C86 | Ruy Lopez | Worrall attack, sharp line | 0 1 0 | |
| C87 | Ruy Lopez | closed, Averbach variation | 4 1 0 | |
| C88 | Ruy Lopez | closed, anti-Marshall 8.a4 | 1 2 3 | |
| C88 | Ruy Lopez | closed, 7...O-O | 0 0 3 | |
| C88 | Ruy Lopez | closed | 1 1 0 | |
| C89 | Ruy Lopez | Marshall, main line, 14...Qh3 | 2 1 0 | |
| C89 | Ruy Lopez | Marshall, Kevitz variation | 0 3 0 | |
| C89 | Ruy Lopez | Marshall counter-attack | 1 0 0 | |
| C89 | Ruy Lopez | Marshall, main line, Spassky variation | 0 1 0 | |
| C91 | Ruy Lopez | closed, Bogolyubov variation | 4 2 0 | |
| C92 | Ruy Lopez | closed, Ragozin-Petrosian (`Keres') variation | 9 4 0 | , , , , , , , , , , , , |
| C92 | Ruy Lopez | closed, Flohr-Zaitsev system (Lenzerheide variation) | 3 3 0 | |
| C92 | Ruy Lopez | closed, Kholmov variation | 1 1 0 | |
| C93 | Ruy Lopez | closed, Smyslov defence | 4 8 1 | , , , , , , , , , , , , |
| C94 | Ruy Lopez | closed, Breyer defence | 4 3 0 | |
| C95 | Ruy Lopez | closed, Breyer, Borisenko variation | 4 13 0 | , , , , , , , , , , , , , , , , |
| C95 | Ruy Lopez | closed, Breyer, Gligoric variation | 1 1 0 | |
| C95 | Ruy Lopez | closed, Breyer, Simagin variation | 0 0 1 | |
| C96 | Ruy Lopez | closed, Keres (...Nd7) defence | 2 3 2 | |
| C96 | Ruy Lopez | closed, Borisenko defence | 3 1 1 | |
| C96 | Ruy Lopez | closed (10...c5) | 1 2 0 | |
| C96 | Ruy Lopez | closed (8...Na5) | 0 1 0 | |
| C97 | Ruy Lopez | closed, Chigorin defence | 6 5 0 | , , , , , , , , , , |
| C97 | Ruy Lopez | closed, Chigorin, Yugoslav system | 1 0 0 | |
| C98 | Ruy Lopez | closed, Chigorin, Rauzer attack | 1 1 2 | |
| C98 | Ruy Lopez | closed, Chigorin, 12...Nc6 | 2 1 1 | |
| C99 | Ruy Lopez | closed, Chigorin, 12...c5d4 | 3 2 0 | |
| D01 | Richter-Veresov attack, Veresov variation | | 1 1 0 | |
| D01 | Richter-Veresov attack | | 0 0 1 | |
| D02 | Queen's pawn game | | 3 0 0 | |
| D02 | Queen's pawn game, Krause variation | | 1 0 0 | |
| D07 | QGD | Chigorin defence | 1 0 0 | |
| D10 | QGD Slav | Winawer counter-gambit | 0 2 0 | |
| D10 | QGD Slav defence | | 2 0 0 | |
| D11 | QGD Slav | 4.e3 | 0 1 0 | |
| D12 | QGD Slav | 4.e3 Bf5 | 1 1 1 | |
| D13 | QGD Slav | exchange variation | 0 1 0 | |
| D15 | QGD Slav | Schlechter variation | 3 0 0 | |
| D17 | QGD Slav | Wiesbaden variation | 1 0 0 | |
| D19 | QGD Slav | Dutch variation | 1 0 0 | |
| D22 | QGA | Haberditz variation | 1 0 0 | |
| D25 | QGA, Janowsky-Larsen variation | | 0 3 0 | |
| D25 | QGA, Smyslov variation | | 0 1 0 | |
| D26 | QGA | classical variation, 6.O-O | 1 0 0 | |
| D27 | QGA | classical, Rubinstein variation | 0 5 0 | |
| D28 | QGA | classical, 7...b5 | 0 1 0 | |
| D30 | QGD Slav | Semmering variation | 0 1 0 | |
| D30 | Queen's gambit declined | | 0 1 0 | |
| D31 | QGD | semi-Slav, Marshall gambit | 1 0 0 | |
| D31 | QGD | Charousek (Petrosian) variation | 1 0 0 | |
| D32 | QGD | Tarrasch defence | 0 3 0 | |
| D34 | QGD | Tarrasch, Prague variation, 9.Bg5 | 2 0 1 | |
| D34 | QGD | Tarrasch, Prague variation, Normal position | 0 1 0 | |
| D35 | QGD | exchange, positional line | 3 0 0 | |
| D35 | QGD | exchange, positional line, 5...c6 | 0 1 0 | |
| D37 | QGD | 4.Nf3 | 4 3 1 | |
| D37 | QGD | classical variation (5.Bf4) | 2 1 0 | |
| D38 | QGD | Ragozin variation | 1 0 1 | |
| D41 | QGD | Semi-Tarrasch with e3 | 1 0 0 | |
| D42 | QGD | Semi-Tarrasch, 7.Bd3 | 0 1 0 | |
| D43 | QGD semi-Slav | | 1 3 0 | |
| D44 | QGD semi-Slav | Botvinnik system (anti-Meran) | 2 0 0 | |
| D45 | QGD semi-Slav | Stoltz variation | 1 2 0 | |
| D46 | QGD semi-Slav | Chigorin defence | 0 1 0 | |
| D46 | QGD semi-Slav | Romih variation | 1 0 0 | |
| D47 | QGD semi-Slav | neo-Meran (Lundin variation) | 0 0 1 | |
| D47 | QGD semi-Slav | Meran, Wade variation | 0 1 0 | |
| D48 | QGD semi-Slav | Meran, Reynolds' variation | 1 2 0 | |
| D51 | QGD | 5...c6 | 1 0 0 | |
| D51 | QGD | 4.Bg5 Nbd7 | 0 0 1 | |
| D53 | QGD | 4.Bg5 Be7 | 1 0 0 | |
| D54 | QGD | Anti-neo-orthodox variation | 0 1 0 | |
| D55 | QGD | Petrosian variation | 1 1 0 | |
| D55 | QGD | Neo-orthodox variation, 7.Bh4 | 0 1 0 | |
| D55 | QGD | Neo-orthodox variation, 7.Bxf6 | 0 1 0 | |
| D56 | QGD | Lasker defence, Teichmann variation | 0 3 0 | |
| D56 | QGD | Lasker defence | 0 1 0 | |
| D58 | QGD | Tartakower (Makagonov-Bondarevsky) system | 1 7 1 | |
| D62 | QGD | Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein) | 0 1 0 | |
| D63 | QGD | Orthodox defence, Swiss, Karlsbad variation | 0 1 0 | |
| D66 | QGD | Orthodox defence, Bd3 line | 1 1 0 | |
| D68 | QGD | Orthodox defence, classical, 13.d1c2 (Vidmar) | 1 0 0 | |
| D82 | Gruenfeld | 4.Bf4 | 0 1 0 | |
| D85 | Gruenfeld | modern exchange variation | 0 3 0 | |
| D92 | Gruenfeld | 5.Bf4 | 0 1 0 | |
| D94 | Gruenfeld | Smyslov defence | 1 0 0 | |
| E00 | Catalan opening | | 0 2 0 | |
| E04 | Catalan | open, 5.Nf3 | 2 1 0 | |
| E06 | Catalan | closed, 5.Nf3 | 2 3 1 | |
| E10 | Queen's pawn game | | 1 0 0 | |
| E11 | Bogo-Indian defence | | 0 4 0 | |
| E11 | Bogo-Indian defence, Nimzovich variation | | 0 3 0 | |
| E11 | Bogo-Indian defence, Gruenfeld variation | | 1 1 0 | |
| E12 | Queen's Indian | 4.Nc3 | 4 6 0 | |
| E12 | Queen's Indian defence | | 0 2 0 | |
| E12 | Queen's Indian | Petrosian system | 1 0 0 | |
| E14 | Queen's Indian | 4.e3 | 1 4 0 | |
| E15 | Queen's Indian | 4.g3 | 1 0 0 | |
| E15 | Queen's Indian | Rubinstein variation | 1 0 0 | |
| E15 | Queen's Indian | Nimzovich variation (exaggerated fianchetto) | 0 1 0 | |
| E16 | Queen's Indian | Capablanca variation | 1 1 0 | |
| E17 | Queen's Indian | Opovcensky variation | 0 2 0 | |
| E18 | Queen's Indian | old main line, 7.Nc3 | 1 3 0 | |
| E19 | Queen's Indian | old main line, 9.Qxc3 | 1 7 0 | |
| E20 | Nimzo-Indian | Kmoch variation | 1 0 1 | |
| E21 | Nimzo-Indian | three knights variation | 1 1 0 | |
| E24 | Nimzo-Indian | Saemisch variation | 1 0 0 | |
| E25 | Nimzo-Indian | Saemisch, Keres variation | 1 0 0 | |
| E25 | Nimzo-Indian | Saemisch variation | 1 0 0 | |
| E39 | Nimzo-Indian | classical, Pirc variation | 1 0 0 | |
| E41 | Nimzo-Indian | 4.e3 c5 | 1 0 2 | |
| E42 | Nimzo-Indian | 4.e3 c5, 5.Ne2 (Rubinstein) | 0 1 0 | |
| E43 | Nimzo-Indian | Fischer variation | 1 0 0 | |
| E46 | Nimzo-Indian | Simagin variation | 0 1 0 | |
| E47 | Nimzo-Indian | 4.e3 O-O, 5.Bd3 | 0 1 0 | |
| E48 | Nimzo-Indian | 4.e3 O-O, 5.Bd3 d5 | 0 1 0 | |
| E53 | Nimzo-Indian | 4.e3, Gligoric system with 7...Nbd7 | 1 0 0 | |
| E54 | Nimzo-Indian | 4.e3, Gligoric system with 7...dc | 1 1 0 | |
| E55 | Nimzo-Indian | 4.e3, Gligoric system, Bronstein variation | 0 2 1 | |
| E61 | King's Indian defence, 3.Nc3 | | 1 1 0 | |
| E62 | King's Indian | fianchetto, Larsen system | 0 1 0 | |
| E63 | King's Indian | fianchetto, Panno variation | 0 2 0 | |
| E65 | King's Indian | fianchetto, Yugoslav, 7.O-O | 0 1 0 | |
| E67 | King's Indian | fianchetto, classical variation | 3 0 0 | |
| E73 | King's Indian | 5.Be2 | 1 1 0 | |
| E79 | King's Indian | Four pawns attack, main line | 1 1 0 | |
| E80 | King's Indian | Saemisch variation | 1 1 0 | |
| E81 | King's Indian | Saemisch, 5...O-O | 1 0 0 | |
| E86 | King's Indian | Saemisch, orthodox, 7.Nge2 c6 | 1 0 0 | |
| E87 | King's Indian | Saemisch, orthodox, 7.d5 | 3 0 1 | |
| E88 | King's Indian | Saemisch, orthodox, 7.d5 c6 | 0 1 0 | |
| E89 | King's Indian | Saemisch, orthodox main line | 1 0 0 | |
| E90 | King's Indian | Larsen variation | 0 1 0 | |
| E92 | King's Indian | Gligoric-Taimanov system | 1 1 1 | |
| E92 | King's Indian | Petrosian system | 0 1 0 | |
| E92 | King's Indian | classical variation | 0 1 0 | |
| E92 | King's Indian | Andersson variation | 1 0 0 | |
| E93 | King's Indian | Petrosian system, main line | 3 0 0 | |
| E94 | King's Indian | orthodox, 7...Nbd7 | 2 1 0 | |
| E94 | King's Indian | orthodox variation | 1 0 0 | |
| E95 | King's Indian | orthodox, 7...Nbd7, 8.Re1 | 1 0 0 | |
| E96 | King's Indian | orthodox, 7...Nbd7, main line | 2 0 0 | |
| E98 | King's Indian | orthodox, Aronin-Taimanov, 9.Ne1 | 2 2 0 | |