CCRL 40/40
Downloads and Statistics
April 11, 2008
|
Testing summary:
Total: 114'872 gamesplayed by 449 programs 16375 CPU days (X2 4600+) White wins: 41'478 (36.1%) Black wins: 31'357 (27.3%) Draws: 42'037 (36.6%) White score: 54.4% |
CCRL 40/40
Downloads and Statistics
April 11, 2008
|
Testing summary:
Total: 114'872 gamesplayed by 449 programs 16375 CPU days (X2 4600+) White wins: 41'478 (36.1%) Black wins: 31'357 (27.3%) Draws: 42'037 (36.6%) White score: 54.4% |
This page shows how many games in our database were played from various known openings. The table also shows average draw percentage and white score we observed in our games.
| ECO | Opening | Number of games | Draws | White score | Commented PGN |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc | 1 | 0.0% | 100.0% | 0.00 MB |
| A06 | Tennison (Lemberg, Zukertort) gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| A10 | English, Jaenisch gambit | 2 | 0.0% | 100.0% | 0.00 MB |
| B03 | Alekhine's defence, Balogh variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A02 | Bird, From gambit, Lasker variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A61 | Benoni, fianchetto variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C42 | Petrov, classical attack, Berger variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C74 | Ruy Lopez, modern Steinitz defence, siesta variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A74 | Benoni, classical, 9...a6, 10.a4 | 1 | 0.0% | 100.0% | 0.00 MB |
| B40 | Sicilian, Marshall variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D50 | QGD, Semi-Tarrasch, Primitive Pillsbury variation | 2 | 0.0% | 100.0% | 0.00 MB |
| A46 | Queen's pawn, Torre attack, Wagner gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| D32 | QGD, Tarrasch, von Hennig-Schara gambit | 2 | 0.0% | 100.0% | 0.00 MB |
| B40 | Sicilian, Pin variation (Sicilian counter-attack) | 1 | 0.0% | 100.0% | 0.00 MB |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C12 | French, MacCutcheon, Dr. Olland (Dutch) variation | 4 | 0.0% | 100.0% | 0.00 MB |
| C41 | Philidor, Philidor counter-gambit, del Rio attack | 1 | 0.0% | 100.0% | 0.00 MB |
| D98 | Gruenfeld, Russian, Keres variation | 1 | 0.0% | 100.0% | 0.00 MB |
| E14 | Queen's Indian, Averbakh variation | 1 | 0.0% | 100.0% | 0.00 MB |
| D63 | QGD, Orthodox defence, Pillsbury attack | 1 | 0.0% | 100.0% | 0.00 MB |
| E28 | Nimzo-Indian, Saemisch variation | 3 | 0.0% | 100.0% | 0.00 MB |
| A18 | English, Mikenas-Carls variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C54 | Giuoco Piano, Moeller, bayonet attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C53 | Giuoco Piano, close variation | 2 | 0.0% | 100.0% | 0.00 MB |
| B01 | Scandinavian, Anderssen counter-attack, Collijn variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C44 | Scotch, Relfsson gambit ('MacLopez') | 2 | 0.0% | 100.0% | 0.00 MB |
| D97 | Gruenfeld, Russian variation with e4 | 1 | 0.0% | 100.0% | 0.00 MB |
| C51 | Evans gambit declined | 1 | 0.0% | 100.0% | 0.00 MB |
| A67 | Benoni, Taimanov variation | 4 | 0.0% | 100.0% | 0.00 MB |
| C30 | King's gambit | 2 | 0.0% | 100.0% | 0.00 MB |
| E99 | King's Indian, orthodox, Aronin-Taimanov, Benko attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C13 | French, classical, Tartakower variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C14 | French, classical, Alapin variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C39 | KGA, Kieseritsky, Paulsen defence | 1 | 0.0% | 100.0% | 0.00 MB |
| A42 | Modern defence, Averbakh system, Kotov variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C34 | KGA, Becker defence | 1 | 0.0% | 100.0% | 0.00 MB |
| D95 | Gruenfeld with e3 & Qb3 | 1 | 0.0% | 100.0% | 0.00 MB |
| A97 | Dutch, Ilyin-Genevsky variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C42 | Petrov, classical attack, Krause variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C57 | Two knights defence, Fegatello attack, Polerio defence | 3 | 0.0% | 100.0% | 0.00 MB |
| C33 | KGA, bishop's gambit, McDonnell attack | 1 | 0.0% | 100.0% | 0.00 MB |
| B74 | Sicilian, dragon, classical, Alekhine variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C23 | Bishop's opening, Calabrese counter-gambit, Jaenisch variation | 3 | 0.0% | 100.0% | 0.00 MB |
| C27 | Boden-Kieseritsky gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| A82 | Dutch, Balogh defence | 1 | 0.0% | 100.0% | 0.00 MB |
| C80 | Ruy Lopez, open, Harksen gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| D90 | Gruenfeld, Schlechter variation | 1 | 0.0% | 100.0% | 0.00 MB |
| A00 | Amsterdam attack | 1 | 0.0% | 100.0% | 0.00 MB |
| B58 | Sicilian, Boleslavsky, Louma variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C33 | KGA, bishop's gambit, Steinitz defence | 1 | 0.0% | 100.0% | 0.00 MB |
| C80 | Ruy Lopez, open, Zukertort variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C41 | Philidor, Philidor counter-gambit, Zukertort variation | 3 | 0.0% | 100.0% | 0.00 MB |
| D94 | Gruenfeld, Flohr defence | 1 | 0.0% | 100.0% | 0.00 MB |
| C82 | Ruy Lopez, open, Italian variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C77 | Ruy Lopez, Morphy defence, Duras variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C13 | French, Albin-Alekhine-Chatard attack, Spielmann variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C42 | Petrov, Damiano variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C55 | Two knights, Max Lange attack, Steinitz variation | 1 | 0.0% | 100.0% | 0.00 MB |
| B01 | Scandinavian, Anderssen counter-attack orthodox attack | 1 | 0.0% | 100.0% | 0.00 MB |
| A92 | Dutch defence | 1 | 0.0% | 100.0% | 0.00 MB |
| A20 | English, Nimzovich variation | 6 | 16.7% | 91.7% | 0.01 MB |
| D41 | QGD, Semi-Tarrasch, San Sebastian variation | 6 | 16.7% | 91.7% | 0.00 MB |
| C60 | Ruy Lopez, Cozio defence | 6 | 16.7% | 91.7% | 0.01 MB |
| C49 | Four knights, double Ruy Lopez | 5 | 20.0% | 90.0% | 0.01 MB |
| A12 | English, Bled variation | 5 | 20.0% | 90.0% | 0.00 MB |
| B00 | Reversed Grob (Borg/Basman defence/macho Grob) | 4 | 25.0% | 87.5% | 0.00 MB |
| B40 | Sicilian, Pin, Koch variation | 4 | 25.0% | 87.5% | 0.00 MB |
| A43 | Old Benoni, Mujannah formation | 4 | 25.0% | 87.5% | 0.00 MB |
| B27 | Sicilian, Quinteros variation | 4 | 25.0% | 87.5% | 0.00 MB |
| C13 | French, classical, Frankfurt variation | 4 | 25.0% | 87.5% | 0.00 MB |
| C06 | French, Tarrasch, Leningrad variation | 4 | 25.0% | 87.5% | 0.00 MB |
| E60 | Queen's pawn, Mengarini attack | 11 | 9.1% | 86.4% | 0.02 MB |
| C68 | Ruy Lopez, exchange, Romanovsky variation | 3 | 33.3% | 83.3% | 0.00 MB |
| C81 | Ruy Lopez, open, Howell attack | 3 | 33.3% | 83.3% | 0.00 MB |
| B15 | Caro-Kann, Alekhine gambit | 3 | 33.3% | 83.3% | 0.00 MB |
| C67 | Ruy Lopez, Berlin defence, Winawer attack | 6 | 33.3% | 83.3% | 0.00 MB |
| C45 | Scotch, Romanishin variation | 3 | 33.3% | 83.3% | 0.00 MB |
| E75 | King's Indian, Averbakh, main line | 3 | 33.3% | 83.3% | 0.00 MB |
| D12 | QGD Slav, Amsterdam variation | 3 | 33.3% | 83.3% | 0.00 MB |
| A91 | Dutch defence | 3 | 33.3% | 83.3% | 0.00 MB |
| C30 | KGD, Keene's defence | 3 | 33.3% | 83.3% | 0.00 MB |
| A40 | Beefeater defence | 3 | 33.3% | 83.3% | 0.00 MB |
| D55 | QGD, Neo-orthodox variation, 7.Bxf6 | 6 | 33.3% | 83.3% | 0.01 MB |
| B98 | Sicilian, Najdorf, Browne variation | 11 | 18.2% | 81.8% | 0.01 MB |
| C74 | Ruy Lopez, modern Steinitz defence | 8 | 37.5% | 81.3% | 0.01 MB |
| A72 | Benoni, classical without 9.O-O | 8 | 12.5% | 81.3% | 0.01 MB |
| C29 | Vienna gambit, Breyer variation | 10 | 40.0% | 80.0% | 0.01 MB |
| A56 | Czech Benoni defence | 19 | 31.6% | 78.9% | 0.02 MB |
| C83 | Ruy Lopez, open, 9...Be7, 10.Re1 | 7 | 42.9% | 78.6% | 0.01 MB |
| E70 | King's Indian, Kramer system | 14 | 28.6% | 78.6% | 0.01 MB |
| D16 | QGD Slav accepted, Alapin variation | 7 | 14.3% | 78.6% | 0.00 MB |
| C19 | French, Winawer, advance, Smyslov variation | 30 | 23.3% | 78.3% | 0.02 MB |
| A09 | Reti accepted, Keres variation | 9 | 22.2% | 77.8% | 0.01 MB |
| D16 | QGD Slav, Steiner variation | 18 | 22.2% | 77.8% | 0.01 MB |
| C70 | Ruy Lopez, Alapin's defence deferred | 15 | 33.3% | 76.7% | 0.01 MB |
| E37 | Nimzo-Indian, classical, Noa variation, main line, 7.Qc2 | 15 | 33.3% | 76.7% | 0.01 MB |
| A56 | Benoni defence, Hromodka system | 19 | 15.8% | 76.3% | 0.02 MB |
| B72 | Sicilian, dragon, classical, Nottingham variation | 2 | 50.0% | 75.0% | 0.00 MB |
| A44 | Semi-Benoni (`blockade variation') | 2 | 50.0% | 75.0% | 0.00 MB |
| E64 | King's Indian, fianchetto, Yugoslav system | 10 | 30.0% | 75.0% | 0.01 MB |
| C33 | KGA, bishop's gambit, Gifford variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C14 | French, classical, Rubinstein variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D16 | QGD Slav, Soultanbeieff variation | 4 | 50.0% | 75.0% | 0.00 MB |
| C27 | Vienna, Alekhine variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C64 | Ruy Lopez, classical defence, Charousek variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C21 | Danish gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| B20 | Sicilian, wing gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| B03 | Alekhine's defence | 4 | 50.0% | 75.0% | 0.00 MB |
| C65 | Ruy Lopez, Berlin defence, Kaufmann variation | 2 | 50.0% | 75.0% | 0.00 MB |
| B22 | Sicilian, 2.c3, Heidenfeld variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D31 | QGD, Alapin variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D10 | QGD Slav defence, Alekhine variation | 4 | 0.0% | 75.0% | 0.00 MB |
| C51 | Evans gambit, Stone-Ware variation | 2 | 50.0% | 75.0% | 0.00 MB |
| B03 | Alekhine's defence, four pawns attack, 7.Be3 | 12 | 50.0% | 75.0% | 0.01 MB |
| B06 | Robatsch defence, Two knights variation | 4 | 0.0% | 75.0% | 0.00 MB |
| C49 | Four knights | 6 | 50.0% | 75.0% | 0.00 MB |
| C41 | Philidor, Nimzovich, Sokolsky variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D33 | QGD, Tarrasch, Wagner variation | 2 | 50.0% | 75.0% | 0.00 MB |
| B44 | Sicilian, Szen variation, Dely-Kasparov gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| A01 | Nimzovich-Larsen attack, Dutch variation | 8 | 0.0% | 75.0% | 0.01 MB |
| D15 | QGD Slav, Suechting variation | 2 | 50.0% | 75.0% | 0.00 MB |
| B25 | Sicilian, closed, 6.f4 e5 (Botvinnik) | 4 | 50.0% | 75.0% | 0.01 MB |
| C40 | QP counter-gambit (elephant gambit) | 2 | 50.0% | 75.0% | 0.00 MB |
| C10 | French, Frere (Becker) variation | 6 | 16.7% | 75.0% | 0.00 MB |
| D00 | Queen's pawn, stonewall attack | 4 | 0.0% | 75.0% | 0.00 MB |
| B12 | Caro-Kann, advance, Short variation | 4 | 50.0% | 75.0% | 0.00 MB |
| C43 | Petrov, Urusov gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| B27 | Sicilian defence | 2 | 50.0% | 75.0% | 0.00 MB |
| E70 | King's Indian, 4.e4 | 66 | 22.7% | 73.5% | 0.05 MB |
| E15 | Queen's Indian, 4.g3 Bb7 | 24 | 29.2% | 72.9% | 0.02 MB |
| B06 | Robatsch defence, Pseudo-Austrian attack | 22 | 18.2% | 72.7% | 0.02 MB |
| C75 | Ruy Lopez, modern Steinitz defence, Rubinstein variation | 9 | 11.1% | 72.2% | 0.01 MB |
| C80 | Ruy Lopez, open (Tarrasch) defence | 9 | 33.3% | 72.2% | 0.01 MB |
| C42 | Petrov, classical attack, Mason variation | 9 | 33.3% | 72.2% | 0.01 MB |
| C44 | Ponziani opening | 9 | 33.3% | 72.2% | 0.01 MB |
| C51 | Evans gambit, Paulsen variation | 9 | 11.1% | 72.2% | 0.01 MB |
| A88 | Dutch, Leningrad, main variation with c6 | 34 | 26.5% | 72.1% | 0.03 MB |
| E09 | Catalan, closed, main line | 23 | 13.0% | 71.7% | 0.02 MB |
| A61 | Benoni defence | 69 | 18.8% | 71.7% | 0.05 MB |
| E94 | King's Indian, orthodox, Donner variation | 14 | 14.3% | 71.4% | 0.01 MB |
| A12 | English, Caro-Kann defensive system, Bogolyubov variation | 7 | 28.6% | 71.4% | 0.01 MB |
| E93 | King's Indian, Petrosian system, main line | 7 | 28.6% | 71.4% | 0.01 MB |
| A73 | Benoni, classical, 9.O-O | 7 | 0.0% | 71.4% | 0.01 MB |
| A04 | Reti, Pirc-Lisitsin gambit | 12 | 41.7% | 70.8% | 0.01 MB |
| C45 | Scotch, Horwitz attack | 12 | 25.0% | 70.8% | 0.01 MB |
| B36 | Sicilian, accelerated fianchetto, Gurgenidze variation | 36 | 25.0% | 70.8% | 0.03 MB |
| C22 | Centre game, Berger variation | 56 | 23.2% | 70.5% | 0.03 MB |
| A18 | English, Mikenas-Carls, Flohr variation | 5 | 20.0% | 70.0% | 0.00 MB |
| A54 | Old Indian, Ukrainian variation | 10 | 60.0% | 70.0% | 0.01 MB |
| A99 | Dutch, Ilyin-Genevsky variation with b3 | 5 | 60.0% | 70.0% | 0.01 MB |
| D83 | Gruenfeld, Gruenfeld gambit | 5 | 20.0% | 70.0% | 0.00 MB |
| B74 | Sicilian, dragon, classical, Reti-Tartakower variation | 5 | 20.0% | 70.0% | 0.01 MB |
| C16 | French, Winawer, Petrosian variation | 20 | 30.0% | 70.0% | 0.02 MB |
| C44 | Inverted Hanham | 5 | 20.0% | 70.0% | 0.01 MB |
| A63 | Benoni, fianchetto, 9...Nbd7 | 5 | 20.0% | 70.0% | 0.01 MB |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 5 | 20.0% | 70.0% | 0.00 MB |
| C95 | Ruy Lopez, closed, Breyer, Simagin variation | 5 | 60.0% | 70.0% | 0.00 MB |
| A16 | English, Anglo-Gruenfeld, Smyslov defense | 5 | 60.0% | 70.0% | 0.00 MB |
| B00 | KP, Nimzovich defence, Bogolyubov variation | 5 | 20.0% | 70.0% | 0.00 MB |
| C34 | KGA, Fischer defence | 5 | 20.0% | 70.0% | 0.00 MB |
| E70 | King's Indian, accelerated Averbakh system | 5 | 20.0% | 70.0% | 0.00 MB |
| C47 | Four knights, Scotch, Krause variation | 5 | 20.0% | 70.0% | 0.00 MB |
| D96 | Gruenfeld, Russian variation | 15 | 46.7% | 70.0% | 0.01 MB |
| E02 | Catalan, open, 5.Qa4 | 10 | 40.0% | 70.0% | 0.01 MB |
| C21 | Centre game | 45 | 46.7% | 70.0% | 0.03 MB |
| B55 | Sicilian, Prins variation, Venice attack | 5 | 60.0% | 70.0% | 0.01 MB |
| C40 | Gunderam defence | 28 | 32.1% | 69.6% | 0.02 MB |
| A40 | Modern defence | 46 | 26.1% | 69.6% | 0.03 MB |
| C60 | Ruy Lopez, fianchetto (Smyslov/Barnes) defence | 18 | 38.9% | 69.4% | 0.01 MB |
| D98 | Gruenfeld, Russian, Smyslov variation | 39 | 35.9% | 69.2% | 0.03 MB |
| E38 | Nimzo-Indian, classical, 4...c5 | 52 | 30.8% | 69.2% | 0.04 MB |
| B04 | Alekhine's defence, modern variation | 13 | 46.2% | 69.2% | 0.01 MB |
| D67 | QGD, Orthodox defence, Bd3 line, 11.O-O | 13 | 15.4% | 69.2% | 0.01 MB |
| A60 | Benoni defence | 13 | 30.8% | 69.2% | 0.01 MB |
| D62 | QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein) | 21 | 52.4% | 69.0% | 0.02 MB |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 53 | 32.1% | 68.9% | 0.04 MB |
| A40 | Queen's pawn, English defence | 16 | 25.0% | 68.8% | 0.01 MB |
| C58 | Two knights defence | 8 | 37.5% | 68.8% | 0.01 MB |
| A36 | English, symmetrical variation | 24 | 20.8% | 68.8% | 0.02 MB |
| D00 | Queen's pawn, Mason variation, Steinitz counter-gambit | 8 | 62.5% | 68.8% | 0.01 MB |
| B60 | Sicilian, Richter-Rauzer | 48 | 37.5% | 68.8% | 0.03 MB |
| B13 | Caro-Kann, Panov-Botvinnik, normal variation | 8 | 12.5% | 68.8% | 0.01 MB |
| C45 | Scotch, Potter variation | 8 | 37.5% | 68.8% | 0.01 MB |
| B05 | Alekhine's defence, modern, Flohr variation | 8 | 12.5% | 68.8% | 0.01 MB |
| A00 | Saragossa opening | 8 | 62.5% | 68.8% | 0.01 MB |
| E77 | King's Indian, Four pawns attack | 27 | 18.5% | 68.5% | 0.02 MB |
| A13 | English, Neo-Catalan | 27 | 40.7% | 68.5% | 0.02 MB |
| C70 | Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation | 65 | 26.2% | 68.5% | 0.05 MB |
| D80 | Gruenfeld defence | 19 | 31.6% | 68.4% | 0.01 MB |
| A77 | Benoni, classical, 9...Re8, 10.Nd2 | 19 | 21.1% | 68.4% | 0.01 MB |
| E46 | Nimzo-Indian, Simagin variation | 11 | 9.1% | 68.2% | 0.01 MB |
| A28 | English, Nenarokov variation | 11 | 45.5% | 68.2% | 0.01 MB |
| B83 | Sicilian, modern Scheveningen, main line with Nb3 | 14 | 35.7% | 67.9% | 0.01 MB |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 28 | 50.0% | 67.9% | 0.02 MB |
| D28 | QGA, classical, 7...b5 | 17 | 29.4% | 67.6% | 0.01 MB |
| C17 | French, Winawer, advance variation | 17 | 41.2% | 67.6% | 0.01 MB |
| B04 | Alekhine's defence, modern, fianchetto variation | 20 | 35.0% | 67.5% | 0.02 MB |
| B25 | Sicilian, closed | 20 | 35.0% | 67.5% | 0.02 MB |
| B09 | Pirc, Austrian attack, dragon formation | 26 | 50.0% | 67.3% | 0.02 MB |
| C96 | Ruy Lopez, closed, Keres (...Nd7) defence | 52 | 23.1% | 67.3% | 0.04 MB |
| B03 | Alekhine's defence, O'Sullivan gambit | 3 | 66.7% | 66.7% | 0.00 MB |
| D60 | QGD, Orthodox defence | 9 | 44.4% | 66.7% | 0.01 MB |
| C22 | Centre game, Paulsen attack | 3 | 0.0% | 66.7% | 0.00 MB |
| E53 | Nimzo-Indian, 4.e3, main line with ...c5 | 51 | 43.1% | 66.7% | 0.04 MB |
| C25 | Vienna, Paulsen variation | 3 | 66.7% | 66.7% | 0.00 MB |
| C61 | Ruy Lopez, Bird's defence | 6 | 0.0% | 66.7% | 0.00 MB |
| C30 | KGD, classical variation | 9 | 44.4% | 66.7% | 0.01 MB |
| D81 | Gruenfeld, Russian variation | 6 | 66.7% | 66.7% | 0.01 MB |
| C67 | Ruy Lopez, Berlin defence, Minckwitz variation | 3 | 0.0% | 66.7% | 0.00 MB |
| B12 | de Bruycker defence | 3 | 0.0% | 66.7% | 0.00 MB |
| D07 | QGD, Chigorin defence, Janowski variation | 6 | 33.3% | 66.7% | 0.01 MB |
| E76 | King's Indian, Four pawns attack | 21 | 38.1% | 66.7% | 0.01 MB |
| A53 | Old Indian, Janowski variation | 9 | 22.2% | 66.7% | 0.01 MB |
| C13 | French, classical, Vistaneckis (Nimzovich) variation | 6 | 0.0% | 66.7% | 0.00 MB |
| D01 | Richter-Veresov attack, Richter variation | 3 | 66.7% | 66.7% | 0.00 MB |
| C13 | French, classical, Anderssen-Richter variation | 3 | 0.0% | 66.7% | 0.00 MB |
| D05 | Colle system | 9 | 44.4% | 66.7% | 0.01 MB |
| E51 | Nimzo-Indian, 4.e3, Ragozin variation | 3 | 66.7% | 66.7% | 0.00 MB |
| B06 | Robatsch defence, Gurgenidze variation | 3 | 0.0% | 66.7% | 0.00 MB |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 12 | 33.3% | 66.7% | 0.01 MB |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 27 | 22.2% | 66.7% | 0.02 MB |
| E73 | King's Indian, Semi-Averbakh system | 3 | 0.0% | 66.7% | 0.00 MB |
| B68 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7 | 27 | 29.6% | 66.7% | 0.02 MB |
| C03 | French, Tarrasch, Guimard variation | 18 | 22.2% | 66.7% | 0.01 MB |
| C82 | Ruy Lopez, open, Motzko attack | 3 | 66.7% | 66.7% | 0.00 MB |
| B09 | Pirc, Austrian attack, 6.Be3 | 9 | 22.2% | 66.7% | 0.01 MB |
| B53 | Sicilian, Chekhover, Zaitsev variation | 3 | 0.0% | 66.7% | 0.00 MB |
| D25 | QGA, Smyslov variation | 6 | 66.7% | 66.7% | 0.01 MB |
| C67 | Ruy Lopez, Berlin defence, Cordel variation | 3 | 0.0% | 66.7% | 0.00 MB |
| E92 | King's Indian, classical variation | 6 | 33.3% | 66.7% | 0.00 MB |
| C63 | Ruy Lopez, Schliemann defence | 3 | 0.0% | 66.7% | 0.00 MB |
| E54 | Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation | 3 | 66.7% | 66.7% | 0.00 MB |
| A89 | Dutch, Leningrad, main variation with Nc6 | 24 | 33.3% | 66.7% | 0.02 MB |
| C41 | Philidor, Hanham variation | 3 | 66.7% | 66.7% | 0.01 MB |
| D51 | QGD, 4.Bg5 Nbd7 | 3 | 0.0% | 66.7% | 0.00 MB |
| C17 | French, Winawer, advance, 5.a3 | 55 | 23.6% | 66.4% | 0.03 MB |
| D47 | QGD semi-Slav, neo-Meran (Lundin variation) | 34 | 38.2% | 66.2% | 0.03 MB |
| B98 | Sicilian, Najdorf variation | 34 | 26.5% | 66.2% | 0.02 MB |
| B76 | Sicilian, dragon, Yugoslav attack, Rauser variation | 130 | 26.2% | 66.2% | 0.08 MB |
| C80 | Ruy Lopez, open, Bernstein variation | 50 | 36.0% | 66.0% | 0.03 MB |
| B16 | Caro-Kann, Bronstein-Larsen variation | 22 | 22.7% | 65.9% | 0.02 MB |
| B42 | Sicilian, Kan, Gipslis variation | 19 | 26.3% | 65.8% | 0.01 MB |
| E53 | Nimzo-Indian, 4.e3, Keres variation | 16 | 43.8% | 65.6% | 0.01 MB |
| D35 | QGD, exchange, positional line | 78 | 38.5% | 65.4% | 0.06 MB |
| C12 | French, MacCutcheon, Janowski variation | 13 | 38.5% | 65.4% | 0.01 MB |
| D27 | QGA, classical, Geller variation | 13 | 53.8% | 65.4% | 0.01 MB |
| B01 | Scandinavian defence, Lasker variation | 13 | 38.5% | 65.4% | 0.01 MB |
| B00 | Owen defence | 33 | 33.3% | 65.2% | 0.03 MB |
| C42 | Petrov three knights game | 43 | 23.3% | 65.1% | 0.04 MB |
| A96 | Dutch, classical variation | 10 | 30.0% | 65.0% | 0.01 MB |
| B32 | Sicilian, Labourdonnais-Loewenthal variation | 20 | 50.0% | 65.0% | 0.02 MB |
| C18 | French, Winawer, advance variation | 27 | 25.9% | 64.8% | 0.02 MB |
| C69 | Ruy Lopez, exchange, Gligoric variation | 51 | 35.3% | 64.7% | 0.04 MB |
| A80 | Dutch | 51 | 31.4% | 64.7% | 0.04 MB |
| D97 | Gruenfeld, Russian, Byrne (Simagin) variation | 17 | 23.5% | 64.7% | 0.01 MB |
| C19 | French, Winawer, advance, poisoned pawn, Konstantinopolsky variation | 106 | 17.9% | 64.6% | 0.06 MB |
| B69 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6 | 48 | 29.2% | 64.6% | 0.03 MB |
| C16 | French, Winawer, advance variation | 107 | 29.9% | 64.5% | 0.07 MB |
| E91 | King's Indian, 6.Be2 | 80 | 33.8% | 64.4% | 0.06 MB |
| A42 | Modern defence, Averbakh system | 14 | 42.9% | 64.3% | 0.02 MB |
| C23 | Bishop's opening, Philidor counter-attack | 28 | 64.3% | 64.3% | 0.02 MB |
| B52 | Sicilian, Canal-Sokolsky attack, Bronstein gambit | 21 | 42.9% | 64.3% | 0.02 MB |
| C71 | Ruy Lopez, modern Steinitz defence, Three knights variation | 7 | 42.9% | 64.3% | 0.01 MB |
| D25 | QGA, 4.e3 | 7 | 42.9% | 64.3% | 0.01 MB |
| D25 | QGA, Flohr variation | 14 | 28.6% | 64.3% | 0.01 MB |
| C20 | Alapin's opening | 7 | 14.3% | 64.3% | 0.01 MB |
| E72 | King's Indian with e4 & g3 | 7 | 42.9% | 64.3% | 0.01 MB |
| D87 | Gruenfeld, exchange, Seville variation | 21 | 42.9% | 64.3% | 0.01 MB |
| E62 | King's Indian, fianchetto, Simagin variation | 7 | 14.3% | 64.3% | 0.01 MB |
| A59 | Benko gambit, main line | 14 | 28.6% | 64.3% | 0.01 MB |
| C55 | Two knights defence | 7 | 42.9% | 64.3% | 0.01 MB |
| D17 | QGD Slav, Krause attack | 49 | 30.6% | 64.3% | 0.04 MB |
| C44 | Ponziani, Jaenisch counter-attack | 25 | 40.0% | 64.0% | 0.02 MB |
| B07 | Robatsch defence, Geller's system | 36 | 33.3% | 63.9% | 0.03 MB |
| A42 | Pterodactyl defence | 18 | 50.0% | 63.9% | 0.02 MB |
| D31 | QGD, 3.Nc3 | 18 | 38.9% | 63.9% | 0.02 MB |
| B01 | Scandinavian, Marshall variation | 83 | 41.0% | 63.9% | 0.05 MB |
| E71 | King's Indian, Makagonov system (5.h3) | 47 | 25.5% | 63.8% | 0.04 MB |
| C97 | Ruy Lopez, closed, Chigorin defence | 276 | 29.0% | 63.8% | 0.18 MB |
| E90 | King's Indian, 5.Nf3 | 91 | 28.6% | 63.7% | 0.06 MB |
| B28 | Sicilian, O'Kelly variation | 11 | 54.5% | 63.6% | 0.01 MB |
| D30 | QGD, Capablanca-Duras variation | 22 | 36.4% | 63.6% | 0.02 MB |
| D00 | Queen's pawn, Chigorin variation | 11 | 54.5% | 63.6% | 0.01 MB |
| A13 | English, Wimpey system | 11 | 54.5% | 63.6% | 0.01 MB |
| C43 | Petrov, modern attack, main line | 22 | 45.5% | 63.6% | 0.02 MB |
| C65 | Ruy Lopez, Berlin defence, Beverwijk variation | 48 | 22.9% | 63.5% | 0.04 MB |
| D46 | QGD semi-Slav, Romih variation | 86 | 36.0% | 63.4% | 0.06 MB |
| C78 | Ruy Lopez, 5.O-O | 90 | 37.8% | 63.3% | 0.06 MB |
| C02 | French, advance, Wade variation | 30 | 20.0% | 63.3% | 0.02 MB |
| C64 | Ruy Lopez, classical defence, 4.c3 | 19 | 31.6% | 63.2% | 0.02 MB |
| C26 | Vienna game | 23 | 30.4% | 63.0% | 0.02 MB |
| E95 | King's Indian, orthodox, 7...Nbd7, 8.Re1 | 46 | 34.8% | 63.0% | 0.03 MB |
| A41 | Old Indian defence | 35 | 34.3% | 62.9% | 0.03 MB |
| B08 | Pirc, classical (two knights) system | 43 | 32.6% | 62.8% | 0.03 MB |
| E52 | Nimzo-Indian, 4.e3, main line with ...b6 | 47 | 36.2% | 62.8% | 0.04 MB |
| A57 | Benko gambit | 51 | 23.5% | 62.7% | 0.04 MB |
| B73 | Sicilian, dragon, classical, Richter variation | 8 | 25.0% | 62.5% | 0.01 MB |
| C46 | Three knights, Steinitz variation | 8 | 25.0% | 62.5% | 0.01 MB |
| B04 | Alekhine's defence, modern, Larsen variation | 28 | 39.3% | 62.5% | 0.02 MB |
| E74 | King's Indian, Averbakh, 6...c5 | 8 | 25.0% | 62.5% | 0.01 MB |
| C00 | French, Wing gambit | 4 | 25.0% | 62.5% | 0.00 MB |
| E13 | Queen's Indian, 4.Nc3, main line | 16 | 37.5% | 62.5% | 0.01 MB |
| A24 | English, Bremen system with ...g6 | 8 | 50.0% | 62.5% | 0.01 MB |
| C80 | Ruy Lopez, open, 6.d4 | 4 | 75.0% | 62.5% | 0.00 MB |
| C96 | Ruy Lopez, closed (8...Na5) | 8 | 50.0% | 62.5% | 0.01 MB |
| C57 | Two knights defence, Ulvestad variation | 4 | 75.0% | 62.5% | 0.00 MB |
| D26 | QGA, classical, Steinitz variation | 4 | 75.0% | 62.5% | 0.00 MB |
| E81 | King's Indian, Saemisch, Byrne variation | 4 | 75.0% | 62.5% | 0.00 MB |
| E67 | King's Indian, fianchetto with ...Nd7 | 16 | 50.0% | 62.5% | 0.02 MB |
| A87 | Dutch, Leningrad, main variation | 16 | 62.5% | 62.5% | 0.02 MB |
| A40 | Queen's pawn, Lundin (Kevitz-Mikenas) defence | 16 | 12.5% | 62.5% | 0.01 MB |
| B90 | Sicilian, Najdorf, Adams attack | 12 | 58.3% | 62.5% | 0.01 MB |
| E17 | Queen's Indian, Euwe variation | 4 | 25.0% | 62.5% | 0.01 MB |
| C39 | KGA, Kieseritsky, Kolisch defence | 4 | 75.0% | 62.5% | 0.00 MB |
| A46 | Queen's pawn, Yusupov-Rubinstein system | 44 | 38.6% | 62.5% | 0.04 MB |
| A32 | English, symmetrical variation | 20 | 35.0% | 62.5% | 0.02 MB |
| C83 | Ruy Lopez, open, Malkin variation | 4 | 75.0% | 62.5% | 0.00 MB |
| D05 | Queen's pawn game, Zukertort variation | 4 | 25.0% | 62.5% | 0.01 MB |
| C55 | Two knights defence, Perreux variation | 4 | 75.0% | 62.5% | 0.00 MB |
| C34 | KGA, Schallop defence | 4 | 25.0% | 62.5% | 0.00 MB |
| E83 | King's Indian, Saemisch, 6...Nc6 | 4 | 75.0% | 62.5% | 0.00 MB |
| C02 | French, advance, Milner-Barry gambit | 8 | 75.0% | 62.5% | 0.01 MB |
| C00 | St. George defence | 4 | 75.0% | 62.5% | 0.00 MB |
| C52 | Evans gambit, compromised defence | 4 | 25.0% | 62.5% | 0.00 MB |
| A52 | Budapest, Rubinstein variation | 8 | 50.0% | 62.5% | 0.01 MB |
| A00 | Polish, Outflank variation | 4 | 25.0% | 62.5% | 0.00 MB |
| D83 | Gruenfeld, Gruenfeld gambit, Capablanca variation | 4 | 25.0% | 62.5% | 0.00 MB |
| D24 | QGA, 4.Nc3 | 16 | 37.5% | 62.5% | 0.01 MB |
| A21 | English, Troeger defence | 16 | 25.0% | 62.5% | 0.01 MB |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 484 | 43.4% | 62.4% | 0.31 MB |
| A62 | Benoni, fianchetto variation | 53 | 30.2% | 62.3% | 0.04 MB |
| D66 | QGD, Orthodox defence, Bd3 line | 41 | 41.5% | 62.2% | 0.03 MB |
| C89 | Ruy Lopez, Marshall, main line, 14...Qh3 | 37 | 16.2% | 62.2% | 0.03 MB |
| A23 | English, Bremen system, Keres variation | 29 | 20.7% | 62.1% | 0.02 MB |
| D87 | Gruenfeld, exchange, Spassky variation | 58 | 37.9% | 62.1% | 0.04 MB |
| B42 | Sicilian, Kan, Swiss cheese variation | 21 | 38.1% | 61.9% | 0.02 MB |
| A28 | English, four knights, Stean variation | 21 | 38.1% | 61.9% | 0.01 MB |
| D63 | QGD, Orthodox defence, 7.Rc1 | 17 | 29.4% | 61.8% | 0.01 MB |
| C95 | Ruy Lopez, closed, Breyer, Gligoric variation | 17 | 29.4% | 61.8% | 0.02 MB |
| D55 | QGD, Neo-orthodox variation, 7.Bh4 | 17 | 52.9% | 61.8% | 0.02 MB |
| A22 | English, Carls' Bremen system | 34 | 35.3% | 61.8% | 0.03 MB |
| B23 | Sicilian, chameleon variation | 43 | 39.5% | 61.6% | 0.03 MB |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 39 | 30.8% | 61.5% | 0.03 MB |
| D74 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O | 13 | 46.2% | 61.5% | 0.01 MB |
| B32 | Sicilian, Flohr variation | 13 | 30.8% | 61.5% | 0.01 MB |
| B84 | Sicilian, Scheveningen, classical, Nd7 system | 13 | 30.8% | 61.5% | 0.01 MB |
| B81 | Sicilian, Scheveningen, Keres attack | 444 | 32.0% | 61.5% | 0.26 MB |
| C41 | Philidor, Improved Hanham variation | 61 | 37.7% | 61.5% | 0.05 MB |
| D06 | QGD, Marshall defence | 44 | 45.5% | 61.4% | 0.03 MB |
| C66 | Ruy Lopez, Berlin defence, hedgehog variation | 66 | 53.0% | 61.4% | 0.05 MB |
| E62 | King's Indian, fianchetto, Larsen system | 44 | 45.5% | 61.4% | 0.03 MB |
| B00 | KP, Nimzovich defence | 22 | 40.9% | 61.4% | 0.02 MB |
| B57 | Sicilian, Sozin, not Scheveningen | 22 | 50.0% | 61.4% | 0.02 MB |
| E16 | Queen's Indian, Yates variation | 31 | 25.8% | 61.3% | 0.02 MB |
| C06 | French, Tarrasch, closed variation, main line | 310 | 38.4% | 61.1% | 0.20 MB |
| C71 | Ruy Lopez, modern Steinitz defence | 18 | 33.3% | 61.1% | 0.02 MB |
| D90 | Gruenfeld, Flohr variation | 9 | 11.1% | 61.1% | 0.01 MB |
| B75 | Sicilian, dragon, Yugoslav attack | 27 | 33.3% | 61.1% | 0.02 MB |
| D63 | QGD, Orthodox defence, Swiss (Henneberger) variation | 18 | 44.4% | 61.1% | 0.01 MB |
| D94 | Gruenfeld, Opovcensky variation | 9 | 33.3% | 61.1% | 0.01 MB |
| D60 | QGD, Orthodox defence, Botvinnik variation | 9 | 33.3% | 61.1% | 0.01 MB |
| B44 | Sicilian, Szen, hedgehog variation | 59 | 37.3% | 61.0% | 0.04 MB |
| C92 | Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation | 50 | 42.0% | 61.0% | 0.04 MB |
| A55 | Old Indian, main line | 64 | 46.9% | 60.9% | 0.05 MB |
| C66 | Ruy Lopez, closed Berlin defence, Showalter variation | 32 | 53.1% | 60.9% | 0.02 MB |
| E94 | King's Indian, orthodox, 7...Nbd7 | 184 | 35.9% | 60.9% | 0.13 MB |
| A34 | English, symmetrical, three knights system | 83 | 42.2% | 60.8% | 0.07 MB |
| A04 | Reti v Dutch | 60 | 25.0% | 60.8% | 0.05 MB |
| B33 | Sicilian, Pelikan, Chelyabinsk variation | 600 | 29.7% | 60.8% | 0.35 MB |
| E98 | King's Indian, orthodox, Aronin-Taimanov, 9.Ne1 | 380 | 22.4% | 60.7% | 0.24 MB |
| E62 | King's Indian, fianchetto, Kavalek (Bronstein) variation | 108 | 32.4% | 60.6% | 0.07 MB |
| A61 | Benoni, Nimzovich (knight's tour) variation | 47 | 23.4% | 60.6% | 0.03 MB |
| C42 | Petrov, classical attack | 47 | 40.4% | 60.6% | 0.03 MB |
| E17 | Queen's Indian, old main line, 6.O-O | 47 | 36.2% | 60.6% | 0.04 MB |
| C42 | Petrov, classical attack, Jaenisch variation | 430 | 40.2% | 60.3% | 0.28 MB |
| D44 | QGD semi-Slav, anti-Meran, Lilienthal variation | 58 | 31.0% | 60.3% | 0.03 MB |
| D19 | QGD Slav, Dutch variation, main line | 39 | 33.3% | 60.3% | 0.03 MB |
| A50 | Queen's pawn game | 103 | 29.1% | 60.2% | 0.07 MB |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 223 | 34.1% | 60.1% | 0.15 MB |
| E69 | King's Indian, fianchetto, classical main line | 169 | 34.9% | 60.1% | 0.11 MB |
| A85 | Dutch with c4 & Nc3 | 10 | 20.0% | 60.0% | 0.01 MB |
| D33 | QGD, Tarrasch, Folkestone (Swedish) variation | 5 | 40.0% | 60.0% | 0.00 MB |
| B01 | Scandinavian gambit | 15 | 53. |