CCRL 40/40
Downloads and Statistics
January 3, 2009
|
Testing summary:
Total: 159'438 gamesplayed by 579 programs 22978 CPU days (X2 4600+) White wins: 57'641 (36.2%) Black wins: 43'113 (27.0%) Draws: 58'684 (36.8%) White score: 54.6% |
CCRL 40/40
Downloads and Statistics
January 3, 2009
|
Testing summary:
Total: 159'438 gamesplayed by 579 programs 22978 CPU days (X2 4600+) White wins: 57'641 (36.2%) Black wins: 43'113 (27.0%) Draws: 58'684 (36.8%) White score: 54.6% |
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 |
| D65 | QGD, Orthodox defence, Rubinstein attack, main line | 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 | 2 | 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 |
| C57 | Two knights defence, Lolli attack | 1 | 0.0% | 100.0% | 0.00 MB |
| D50 | QGD, Semi-Tarrasch, Primitive Pillsbury variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C66 | Ruy Lopez, closed Berlin defence, Chigorin variation | 1 | 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 | 4 | 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 |
| D51 | QGD, Manhattan variation | 1 | 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 |
| 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 |
| C33 | KGA, bishop's gambit, Bledow variation | 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 |
| 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 |
| C58 | Two knights defence, Blackburne variation | 2 | 0.0% | 100.0% | 0.00 MB |
| C34 | KGA, Becker defence | 1 | 0.0% | 100.0% | 0.00 MB |
| A97 | Dutch, Ilyin-Genevsky 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 | 3 | 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 |
| C46 | Four knights, Schultze-Mueller gambit | 1 | 0.0% | 100.0% | 0.00 MB |
| A00 | Amsterdam attack | 1 | 0.0% | 100.0% | 0.00 MB |
| C00 | Lengfellner system | 1 | 0.0% | 100.0% | 0.00 MB |
| B58 | Sicilian, Boleslavsky, Louma variation | 1 | 0.0% | 100.0% | 0.00 MB |
| C41 | Philidor, Philidor counter-gambit, Zukertort variation | 3 | 0.0% | 100.0% | 0.00 MB |
| D54 | QGD, Anti-neo-orthodox variation | 1 | 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 |
| A92 | Dutch defence, Alekhine variation | 1 | 0.0% | 100.0% | 0.00 MB |
| B01 | Scandinavian, Anderssen counter-attack orthodox attack | 1 | 0.0% | 100.0% | 0.00 MB |
| A20 | English, Nimzovich variation | 7 | 14.3% | 92.9% | 0.01 MB |
| D41 | QGD, Semi-Tarrasch, San Sebastian variation | 6 | 16.7% | 91.7% | 0.00 MB |
| B00 | Reversed Grob (Borg/Basman defence/macho Grob) | 5 | 20.0% | 90.0% | 0.01 MB |
| A40 | Beefeater defence | 5 | 20.0% | 90.0% | 0.00 MB |
| D15 | QGD Slav, Suechting variation | 5 | 20.0% | 90.0% | 0.01 MB |
| C45 | Scotch, Romanishin 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 |
| C55 | Two knights, Max Lange attack, Steinitz variation | 4 | 25.0% | 87.5% | 0.00 MB |
| C06 | French, Tarrasch, Leningrad variation | 4 | 25.0% | 87.5% | 0.00 MB |
| A25 | English, closed, Taimanov variation | 4 | 25.0% | 87.5% | 0.00 MB |
| E60 | Queen's pawn, Mengarini attack | 11 | 9.1% | 86.4% | 0.02 MB |
| C49 | Four knights, double Ruy Lopez | 7 | 28.6% | 85.7% | 0.01 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 |
| C30 | KGD, Keene's defence | 3 | 33.3% | 83.3% | 0.00 MB |
| B98 | Sicilian, Najdorf, Browne variation | 14 | 21.4% | 82.1% | 0.01 MB |
| A72 | Benoni, classical without 9.O-O | 8 | 12.5% | 81.3% | 0.01 MB |
| B40 | Sicilian, Pin, Koch variation | 5 | 40.0% | 80.0% | 0.00 MB |
| C10 | French, Frere (Becker) variation | 5 | 0.0% | 80.0% | 0.00 MB |
| B03 | Alekhine's defence, four pawns attack, 7.Be3 | 14 | 42.9% | 78.6% | 0.01 MB |
| B82 | Sicilian, Scheveningen, Tal variation | 16 | 18.8% | 78.1% | 0.01 MB |
| C70 | Ruy Lopez, Alapin's defence deferred | 15 | 33.3% | 76.7% | 0.01 MB |
| B72 | Sicilian, dragon, classical, Nottingham variation | 2 | 50.0% | 75.0% | 0.00 MB |
| E09 | Catalan, closed, main line | 32 | 18.8% | 75.0% | 0.03 MB |
| A44 | Semi-Benoni (`blockade variation') | 2 | 50.0% | 75.0% | 0.00 MB |
| C25 | Vienna, Paulsen variation | 4 | 50.0% | 75.0% | 0.00 MB |
| C33 | KGA, bishop's gambit, Gifford variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C13 | French, Albin-Alekhine-Chatard attack, Teichmann variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C48 | Four knights, Ranken variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C27 | Vienna, Alekhine variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C29 | Vienna gambit, Breyer variation | 12 | 50.0% | 75.0% | 0.01 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 |
| D26 | QGA, classical, Steinitz variation | 6 | 50.0% | 75.0% | 0.01 MB |
| B20 | Sicilian, wing gambit | 2 | 50.0% | 75.0% | 0.00 MB |
| E81 | King's Indian, Saemisch, Byrne variation | 6 | 50.0% | 75.0% | 0.01 MB |
| B03 | Alekhine's defence | 4 | 50.0% | 75.0% | 0.00 MB |
| A56 | Czech Benoni defence | 26 | 26.9% | 75.0% | 0.02 MB |
| A73 | Benoni, classical, 9.O-O | 10 | 10.0% | 75.0% | 0.01 MB |
| B22 | Sicilian, 2.c3, Heidenfeld variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C13 | French, classical, Vistaneckis (Nimzovich) variation | 8 | 0.0% | 75.0% | 0.01 MB |
| D83 | Gruenfeld, Gruenfeld gambit, Botvinnik variation | 2 | 50.0% | 75.0% | 0.00 MB |
| D31 | QGD, Alapin variation | 2 | 50.0% | 75.0% | 0.00 MB |
| A91 | Dutch defence | 6 | 16.7% | 75.0% | 0.01 MB |
| B00 | KP, Nimzovich defence, Bogolyubov variation | 6 | 16.7% | 75.0% | 0.00 MB |
| D95 | Gruenfeld with e3 & Qb3 | 2 | 50.0% | 75.0% | 0.00 MB |
| C88 | Ruy Lopez, Trajkovic counter-attack | 8 | 25.0% | 75.0% | 0.01 MB |
| B18 | Caro-Kann, classical, Flohr variation | 4 | 0.0% | 75.0% | 0.01 MB |
| B53 | Sicilian, Chekhover, Zaitsev variation | 4 | 0.0% | 75.0% | 0.01 MB |
| D33 | QGD, Tarrasch, Wagner variation | 2 | 50.0% | 75.0% | 0.00 MB |
| E02 | Catalan, open, 5.Qa4 | 14 | 35.7% | 75.0% | 0.01 MB |
| A56 | Benoni defence, Hromodka system | 32 | 25.0% | 75.0% | 0.03 MB |
| A01 | Nimzovich-Larsen attack, Dutch variation | 8 | 0.0% | 75.0% | 0.01 MB |
| D45 | QGD semi-Slav, stonewall defence | 2 | 50.0% | 75.0% | 0.00 MB |
| C40 | QP counter-gambit (elephant gambit) | 2 | 50.0% | 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 |
| D52 | QGD, Cambridge Springs defence, Capablanca variation | 2 | 50.0% | 75.0% | 0.00 MB |
| C94 | Ruy Lopez, closed, Breyer defence | 10 | 30.0% | 75.0% | 0.01 MB |
| A92 | Dutch defence | 4 | 50.0% | 75.0% | 0.00 MB |
| B27 | Sicilian defence | 2 | 50.0% | 75.0% | 0.00 MB |
| C19 | French, Winawer, advance, Smyslov variation | 35 | 22.9% | 74.3% | 0.03 MB |
| E37 | Nimzo-Indian, classical, Noa variation, main line, 7.Qc2 | 21 | 33.3% | 73.8% | 0.01 MB |
| E64 | King's Indian, fianchetto, Yugoslav system | 26 | 23.1% | 73.1% | 0.02 MB |
| C51 | Evans gambit, Paulsen variation | 13 | 23.1% | 73.1% | 0.01 MB |
| A09 | Reti accepted, Keres variation | 11 | 18.2% | 72.7% | 0.01 MB |
| D16 | QGD Slav, Steiner variation | 20 | 25.0% | 72.5% | 0.02 MB |
| B06 | Robatsch defence, Pseudo-Austrian attack | 38 | 18.4% | 72.4% | 0.03 MB |
| C60 | Ruy Lopez, Cozio defence | 9 | 11.1% | 72.2% | 0.01 MB |
| D83 | Gruenfeld, Gruenfeld gambit, Capablanca variation | 9 | 33.3% | 72.2% | 0.01 MB |
| C16 | French, Winawer, Petrosian variation | 25 | 24.0% | 72.0% | 0.02 MB |
| A12 | English, Caro-Kann defensive system, Bogolyubov variation | 7 | 28.6% | 71.4% | 0.01 MB |
| C61 | Ruy Lopez, Bird's defence | 7 | 0.0% | 71.4% | 0.01 MB |
| A51 | Budapest, Fajarowicz variation | 7 | 0.0% | 71.4% | 0.01 MB |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 14 | 28.6% | 71.4% | 0.01 MB |
| A54 | Old Indian, Ukrainian variation | 12 | 58.3% | 70.8% | 0.01 MB |
| C45 | Scotch, Horwitz attack | 12 | 25.0% | 70.8% | 0.01 MB |
| D16 | QGD Slav accepted, Alapin variation | 12 | 8.3% | 70.8% | 0.01 MB |
| A61 | Benoni defence | 92 | 19.6% | 70.7% | 0.06 MB |
| A40 | Queen's pawn, English defence | 17 | 23.5% | 70.6% | 0.01 MB |
| C21 | Centre game | 56 | 44.6% | 70.5% | 0.04 MB |
| E53 | Nimzo-Indian, 4.e3, main line with ...c5 | 66 | 37.9% | 70.5% | 0.05 MB |
| D83 | Gruenfeld, Gruenfeld gambit | 5 | 20.0% | 70.0% | 0.00 MB |
| D16 | QGD Slav, Soultanbeieff variation | 5 | 60.0% | 70.0% | 0.00 MB |
| C44 | Inverted Hanham | 5 | 20.0% | 70.0% | 0.01 MB |
| A53 | Old Indian, Janowski variation | 10 | 20.0% | 70.0% | 0.01 MB |
| E17 | Queen's Indian, Euwe variation | 5 | 20.0% | 70.0% | 0.01 MB |
| C45 | Scotch, Potter variation | 10 | 40.0% | 70.0% | 0.01 MB |
| A92 | Dutch, stonewall variation | 5 | 60.0% | 70.0% | 0.01 MB |
| C49 | Four knights | 10 | 60.0% | 70.0% | 0.01 MB |
| C44 | Ponziani opening | 10 | 40.0% | 70.0% | 0.01 MB |
| C83 | Ruy Lopez, open, Malkin variation | 5 | 60.0% | 70.0% | 0.00 MB |
| B09 | Pirc, Austrian attack, 6.Be3 | 20 | 30.0% | 70.0% | 0.02 MB |
| C17 | French, Winawer, advance variation | 20 | 40.0% | 70.0% | 0.02 MB |
| A00 | Polish, Outflank variation | 5 | 20.0% | 70.0% | 0.00 MB |
| C92 | Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation | 114 | 36.0% | 69.7% | 0.08 MB |
| D80 | Gruenfeld defence | 23 | 34.8% | 69.6% | 0.02 MB |
| C22 | Centre game, Berger variation | 62 | 25.8% | 69.4% | 0.04 MB |
| C18 | French, Winawer, advance variation | 42 | 28.6% | 69.0% | 0.03 MB |
| A36 | English, symmetrical variation | 29 | 20.7% | 69.0% | 0.02 MB |
| A40 | Modern defence | 61 | 26.2% | 68.9% | 0.05 MB |
| B28 | Sicilian, O'Kelly variation | 16 | 37.5% | 68.8% | 0.01 MB |
| D00 | Queen's pawn, Mason variation, Steinitz counter-gambit | 8 | 62.5% | 68.8% | 0.01 MB |
| C83 | Ruy Lopez, open, 9...Be7, 10.Re1 | 8 | 37.5% | 68.8% | 0.01 MB |
| A16 | English, Anglo-Gruenfeld, Smyslov defense | 8 | 62.5% | 68.8% | 0.01 MB |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 32 | 25.0% | 68.8% | 0.02 MB |
| E70 | King's Indian, accelerated Averbakh system | 8 | 12.5% | 68.8% | 0.01 MB |
| D24 | QGA, Bogolyubov variation | 8 | 37.5% | 68.8% | 0.01 MB |
| C82 | Ruy Lopez, open, Italian variation | 8 | 12.5% | 68.8% | 0.01 MB |
| D62 | QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein) | 35 | 51.4% | 68.6% | 0.03 MB |
| C70 | Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation | 62 | 27.4% | 68.5% | 0.04 MB |
| D28 | QGA, classical, 7...b5 | 19 | 31.6% | 68.4% | 0.01 MB |
| D60 | QGD, Orthodox defence | 11 | 27.3% | 68.2% | 0.01 MB |
| A89 | Dutch, Leningrad, main variation with Nc6 | 42 | 31.0% | 67.9% | 0.03 MB |
| E70 | King's Indian, 4.e4 | 115 | 24.3% | 67.8% | 0.08 MB |
| B04 | Alekhine's defence, modern variation | 17 | 41.2% | 67.6% | 0.01 MB |
| C60 | Ruy Lopez, fianchetto (Smyslov/Barnes) defence | 20 | 35.0% | 67.5% | 0.01 MB |
| C80 | Ruy Lopez, open (Tarrasch) defence | 23 | 39.1% | 67.4% | 0.02 MB |
| E15 | Queen's Indian, 4.g3 Bb7 | 38 | 34.2% | 67.1% | 0.04 MB |
| B08 | Pirc, classical (two knights) system | 65 | 26.2% | 66.9% | 0.05 MB |
| E38 | Nimzo-Indian, classical, 4...c5 | 71 | 38.0% | 66.9% | 0.06 MB |
| C22 | Centre game, Paulsen attack | 3 | 0.0% | 66.7% | 0.00 MB |
| A52 | Budapest defence | 3 | 66.7% | 66.7% | 0.00 MB |
| C45 | Scotch, Steinitz variation | 3 | 0.0% | 66.7% | 0.00 MB |
| C67 | Ruy Lopez, Berlin defence, Minckwitz variation | 6 | 33.3% | 66.7% | 0.01 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 |
| C23 | Bishop's opening, Philidor counter-attack | 27 | 59.3% | 66.7% | 0.02 MB |
| C65 | Ruy Lopez, Berlin defence, Kaufmann variation | 3 | 66.7% | 66.7% | 0.00 MB |
| D94 | Gruenfeld with e3 Bd3 | 3 | 66.7% | 66.7% | 0.00 MB |
| A94 | Dutch, stonewall with Ba3 | 6 | 66.7% | 66.7% | 0.01 MB |
| A63 | Benoni, fianchetto, 9...Nbd7 | 9 | 22.2% | 66.7% | 0.01 MB |
| C05 | French, Tarrasch, Botvinnik variation | 6 | 33.3% | 66.7% | 0.00 MB |
| D90 | Gruenfeld, Flohr variation | 12 | 16.7% | 66.7% | 0.01 MB |
| D12 | QGD Slav, Amsterdam variation | 6 | 33.3% | 66.7% | 0.01 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 | 12 | 50.0% | 66.7% | 0.01 MB |
| B06 | Robatsch defence, Gurgenidze variation | 6 | 33.3% | 66.7% | 0.00 MB |
| C51 | Evans gambit, Stone-Ware variation | 3 | 66.7% | 66.7% | 0.00 MB |
| E73 | King's Indian, Semi-Averbakh system | 3 | 0.0% | 66.7% | 0.00 MB |
| C47 | Four knights, Scotch, Krause variation | 6 | 33.3% | 66.7% | 0.00 MB |
| A28 | English, Nenarokov variation | 15 | 53.3% | 66.7% | 0.01 MB |
| B05 | Alekhine's defence, modern, Flohr variation | 12 | 33.3% | 66.7% | 0.01 MB |
| A90 | Dutch defence, Dutch-Indian (Nimzo-Dutch) variation | 6 | 33.3% | 66.7% | 0.01 MB |
| C41 | Philidor, Nimzovich, Sokolsky variation | 3 | 66.7% | 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 |
| B55 | Sicilian, Prins variation, Venice attack | 6 | 66.7% | 66.7% | 0.01 MB |
| C13 | French, classical, Frankfurt variation | 6 | 33.3% | 66.7% | 0.01 MB |
| C55 | Two knights defence | 9 | 44.4% | 66.7% | 0.01 MB |
| C41 | Philidor, Hanham variation | 3 | 66.7% | 66.7% | 0.01 MB |
| A12 | English, Bled variation | 6 | 33.3% | 66.7% | 0.01 MB |
| C80 | Ruy Lopez, open, Bernstein variation | 112 | 38.4% | 66.5% | 0.07 MB |
| C69 | Ruy Lopez, exchange, Gligoric variation | 99 | 33.3% | 66.2% | 0.07 MB |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 93 | 26.9% | 66.1% | 0.07 MB |
| A52 | Budapest, Rubinstein variation | 115 | 43.5% | 66.1% | 0.08 MB |
| B04 | Alekhine's defence, modern, fianchetto variation | 28 | 32.1% | 66.1% | 0.02 MB |
| B23 | Sicilian, chameleon variation | 53 | 37.7% | 66.0% | 0.04 MB |
| E76 | King's Indian, Four pawns attack | 25 | 44.0% | 66.0% | 0.02 MB |
| B36 | Sicilian, accelerated fianchetto, Gurgenidze variation | 47 | 29.8% | 66.0% | 0.04 MB |
| A96 | Dutch, classical variation | 19 | 36.8% | 65.8% | 0.02 MB |
| B75 | Sicilian, dragon, Yugoslav attack | 38 | 42.1% | 65.8% | 0.02 MB |
| B68 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7 | 35 | 34.3% | 65.7% | 0.03 MB |
| B76 | Sicilian, dragon, Yugoslav attack, Rauser variation | 166 | 27.7% | 65.7% | 0.10 MB |
| C12 | French, MacCutcheon, Janowski variation | 16 | 43.8% | 65.6% | 0.01 MB |
| B83 | Sicilian, modern Scheveningen, main line with Nb3 | 16 | 31.3% | 65.6% | 0.01 MB |
| A61 | Benoni, Nimzovich (knight's tour) variation | 90 | 20.0% | 65.6% | 0.06 MB |
| B04 | Alekhine's defence, modern, Keres variation | 13 | 53.8% | 65.4% | 0.01 MB |
| A59 | Benko gambit, main line | 26 | 30.8% | 65.4% | 0.02 MB |
| B60 | Sicilian, Richter-Rauzer | 62 | 33.9% | 65.3% | 0.04 MB |
| B16 | Caro-Kann, Bronstein-Larsen variation | 33 | 27.3% | 65.2% | 0.03 MB |
| C40 | Gunderam defence | 33 | 27.3% | 65.2% | 0.03 MB |
| C97 | Ruy Lopez, closed, Chigorin defence | 415 | 31.8% | 65.1% | 0.28 MB |
| E94 | King's Indian, orthodox, Donner variation | 20 | 10.0% | 65.0% | 0.02 MB |
| C19 | French, Winawer, advance, poisoned pawn, Konstantinopolsky variation | 147 | 23.8% | 65.0% | 0.09 MB |
| D97 | Gruenfeld, Russian, Byrne (Simagin) variation | 27 | 33.3% | 64.8% | 0.02 MB |
| B01 | Scandinavian, Marshall variation | 95 | 41.1% | 64.7% | 0.06 MB |
| A75 | Benoni, classical with ...a6 and 10...Bg4 | 17 | 23.5% | 64.7% | 0.01 MB |
| E77 | King's Indian, Four pawns attack | 34 | 23.5% | 64.7% | 0.03 MB |
| B52 | Sicilian, Canal-Sokolsky attack, Bronstein gambit | 24 | 37.5% | 64.6% | 0.02 MB |
| A88 | Dutch, Leningrad, main variation with c6 | 62 | 32.3% | 64.5% | 0.05 MB |
| E49 | Nimzo-Indian, 4.e3, Botvinnik system | 38 | 50.0% | 64.5% | 0.03 MB |
| E91 | King's Indian, 6.Be2 | 129 | 34.1% | 64.3% | 0.10 MB |
| B04 | Alekhine's defence, modern, Larsen variation | 35 | 42.9% | 64.3% | 0.03 MB |
| B25 | Sicilian, closed, 6.Ne2 e5 (Botvinnik) | 7 | 42.9% | 64.3% | 0.01 MB |
| B69 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6 | 70 | 31.4% | 64.3% | 0.05 MB |
| A99 | Dutch, Ilyin-Genevsky variation with b3 | 14 | 42.9% | 64.3% | 0.01 MB |
| C30 | KGD, classical variation | 14 | 28.6% | 64.3% | 0.01 MB |
| D81 | Gruenfeld, Russian variation | 7 | 71.4% | 64.3% | 0.01 MB |
| C20 | Alapin's opening | 7 | 14.3% | 64.3% | 0.01 MB |
| C17 | French, Winawer, advance, 5.a3 | 77 | 27.3% | 64.3% | 0.05 MB |
| A13 | English, Wimpey system | 14 | 42.9% | 64.3% | 0.01 MB |
| E53 | Nimzo-Indian, 4.e3, Keres variation | 21 | 52.4% | 64.3% | 0.02 MB |
| C42 | Petrov, Nimzovich attack | 64 | 43.8% | 64.1% | 0.05 MB |
| D98 | Gruenfeld, Russian, Smyslov variation | 61 | 45.9% | 63.9% | 0.04 MB |
| D55 | QGD, Neo-orthodox variation, 7.Bh4 | 18 | 50.0% | 63.9% | 0.02 MB |
| E71 | King's Indian, Makagonov system (5.h3) | 73 | 26.0% | 63.7% | 0.06 MB |
| C75 | Ruy Lopez, modern Steinitz defence, Rubinstein variation | 11 | 18.2% | 63.6% | 0.01 MB |
| B00 | Owen defence | 33 | 36.4% | 63.6% | 0.03 MB |
| D30 | QGD, Hastings variation | 22 | 27.3% | 63.6% | 0.02 MB |
| D30 | QGD, Vienna variation | 11 | 36.4% | 63.6% | 0.01 MB |
| A55 | Old Indian, main line | 81 | 48.1% | 63.6% | 0.06 MB |
| D63 | QGD, Orthodox defence, Swiss (Henneberger) variation | 37 | 35.1% | 63.5% | 0.03 MB |
| A77 | Benoni, classical, 9...Re8, 10.Nd2 | 26 | 19.2% | 63.5% | 0.02 MB |
| D46 | QGD semi-Slav, Romih variation | 93 | 36.6% | 63.4% | 0.06 MB |
| C16 | French, Winawer, advance variation | 138 | 32.6% | 63.4% | 0.09 MB |
| A60 | Benoni defence | 15 | 33.3% | 63.3% | 0.01 MB |
| B98 | Sicilian, Najdorf variation | 49 | 32.7% | 63.3% | 0.03 MB |
| A13 | English, Neo-Catalan | 34 | 44.1% | 63.2% | 0.03 MB |
| A58 | Benko gambit, fianchetto variation | 31 | 41.9% | 62.9% | 0.02 MB |
| E69 | King's Indian, fianchetto, classical main line | 242 | 31.4% | 62.8% | 0.15 MB |
| C42 | Petrov three knights game | 47 | 23.4% | 62.8% | 0.04 MB |
| C96 | Ruy Lopez, closed, Keres (...Nd7) defence | 79 | 26.6% | 62.7% | 0.06 MB |
| C95 | Ruy Lopez, closed, Breyer, Gligoric variation | 20 | 35.0% | 62.5% | 0.02 MB |
| A42 | Modern defence, Averbakh system | 20 | 45.0% | 62.5% | 0.02 MB |
| C11 | French, Henneberger variation | 8 | 25.0% | 62.5% | 0.01 MB |
| C00 | French, Wing gambit | 4 | 25.0% | 62.5% | 0.00 MB |
| C43 | Petrov, modern (Steinitz) attack | 16 | 37.5% | 62.5% | 0.01 MB |
| C96 | Ruy Lopez, closed (8...Na5) | 8 | 50.0% | 62.5% | 0.01 MB |
| C14 | French, classical, Rubinstein variation | 4 | 25.0% | 62.5% | 0.00 MB |
| A36 | English, symmetrical, Botvinnik system reversed | 8 | 0.0% | 62.5% | 0.01 MB |
| D25 | QGA, Flohr variation | 16 | 37.5% | 62.5% | 0.01 MB |
| A40 | Queen's pawn, Lundin (Kevitz-Mikenas) defence | 16 | 12.5% | 62.5% | 0.01 MB |
| B88 | Sicilian, Sozin, Fischer variation | 4 | 75.0% | 62.5% | 0.00 MB |
| C95 | Ruy Lopez, closed, Breyer, Simagin variation | 8 | 50.0% | 62.5% | 0.01 MB |
| B13 | Caro-Kann, Panov-Botvinnik, normal variation | 12 | 25.0% | 62.5% | 0.01 MB |
| E51 | Nimzo-Indian, 4.e3, Ragozin variation | 4 | 75.0% | 62.5% | 0.00 MB |
| C30 | KGD, classical, 4.c3 | 4 | 25.0% | 62.5% | 0.00 MB |
| C03 | French, Tarrasch, Guimard variation | 16 | 25.0% | 62.5% | 0.01 MB |
| B42 | Sicilian, Kan, Swiss cheese variation | 24 | 41.7% | 62.5% | 0.02 MB |
| C47 | Four knights, Belgrade gambit | 4 | 75.0% | 62.5% | 0.00 MB |
| D06 | QGD, Grau (Sahovic) defence | 8 | 25.0% | 62.5% | 0.01 MB |
| C55 | Two knights defence, Perreux variation | 4 | 75.0% | 62.5% | 0.00 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 |
| D51 | QGD, 4.Bg5 Nbd7 | 4 | 25.0% | 62.5% | 0.00 MB |
| C43 | Petrov, Urusov gambit | 4 | 75.0% | 62.5% | 0.00 MB |
| C63 | Ruy Lopez, Schliemann defence, Berger variation | 24 | 33.3% | 62.5% | 0.02 MB |
| A57 | Benko gambit | 69 | 29.0% | 62.3% | 0.06 MB |
| E16 | Queen's Indian, Yates variation | 57 | 26.3% | 62.3% | 0.04 MB |
| B09 | Pirc, Austrian attack, dragon formation | 49 | 51.0% | 62.2% | 0.04 MB |
| D96 | Gruenfeld, Russian variation | 25 | 44.0% | 62.0% | 0.02 MB |
| D31 | QGD, 3.Nc3 | 25 | 36.0% | 62.0% | 0.02 MB |
| A22 | English, Carls' Bremen system | 46 | 32.6% | 62.0% | 0.03 MB |
| D47 | QGD semi-Slav, neo-Meran (Lundin variation) | 63 | 34.9% | 61.9% | 0.05 MB |
| B06 | Robatsch defence, Two knights variation | 17 | 29.4% | 61.8% | 0.01 MB |
| C66 | Ruy Lopez, closed Berlin defence, Showalter variation | 34 | 52.9% | 61.8% | 0.03 MB |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 736 | 41.8% | 61.7% | 0.47 MB |
| D17 | QGD Slav, Krause attack | 120 | 33.3% | 61.7% | 0.09 MB |
| B74 | Sicilian, dragon, classical, Reti-Tartakower variation | 13 | 30.8% | 61.5% | 0.01 MB |
| A54 | Old Indian, Ukrainian variation, 4.Nf3 | 13 | 46.2% | 61.5% | 0.01 MB |
| A93 | Dutch, stonewall, Botwinnik variation | 13 | 15.4% | 61.5% | 0.01 MB |
| E62 | King's Indian, fianchetto, Simagin variation | 13 | 15.4% | 61.5% | 0.01 MB |
| A80 | Dutch | 109 | 34.9% | 61.5% | 0.08 MB |
| C78 | Ruy Lopez, 5.O-O | 179 | 39.1% | 61.5% | 0.12 MB |
| D35 | QGD, exchange, positional line | 114 | 40.4% | 61.4% | 0.09 MB |
| A90 | Dutch defence | 79 | 31.6% | 61.4% | 0.06 MB |
| D63 | QGD, Orthodox defence, 7.Rc1 | 22 | 22.7% | 61.4% | 0.02 MB |
| E20 | Nimzo-Indian, Kmoch variation | 71 | 32.4% | 61.3% | 0.05 MB |
| B32 | Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation | 351 | 37.6% | 61.3% | 0.23 MB |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 49 | 24.5% | 61.2% | 0.03 MB |
| E52 | Nimzo-Indian, 4.e3, main line with ...b6 | 58 | 39.7% | 61.2% | 0.04 MB |
| C46 | Three knights, Steinitz variation | 9 | 33.3% | 61.1% | 0.01 MB |
| E10 | Dzindzikhashvili defence | 9 | 77.8% | 61.1% | 0.01 MB |
| A10 | English, Adorjan defence | 18 | 44.4% | 61.1% | 0.02 MB |
| E29 | Nimzo-Indian, Saemisch, main line | 9 | 33.3% | 61.1% | 0.01 MB |
| D02 | Queen's pawn game, Krause variation | 27 | 40.7% | 61.1% | 0.02 MB |
| C79 | Ruy Lopez, Steinitz defence deferred, Lipnitsky variation | 9 | 55.6% | 61.1% | 0.01 MB |
| E10 | Blumenfeld counter-gambit | 9 | 11.1% | 61.1% | 0.01 MB |
| C36 | KGA, Abbazia defence, modern variation | 9 | 33.3% | 61.1% | 0.01 MB |
| B15 | Caro-Kann, Tartakower (Nimzovich) variation | 27 | 33.3% | 61.1% | 0.03 MB |
| A32 | English, symmetrical variation | 27 | 33.3% | 61.1% | 0.02 MB |
| B25 | Sicilian, closed | 27 | 33.3% | 61.1% | 0.02 MB |
| C44 | Ponziani, Jaenisch counter-attack | 27 | 40.7% | 61.1% | 0.02 MB |
| E72 | King's Indian with e4 & g3 | 9 | 33.3% | 61.1% | 0.01 MB |
| C78 | Ruy Lopez, ...b5 & ...d6 | 9 | 11.1% | 61.1% | 0.01 MB |
| A00 | Saragossa opening | 9 | 55.6% | 61.1% | 0.01 MB |
| B42 | Sicilian, Kan, Gipslis variation | 27 | 25.9% | 61.1% | 0.02 MB |
| A17 | English, Nimzo-English opening | 167 | 33.5% | 61.1% | 0.12 MB |
| C06 | French, Tarrasch, closed variation, main line | 411 | 38.4% | 61.1% | 0.26 MB |
| E15 | Queen's Indian, 4.g3 | 155 | 29.0% | 61.0% | 0.11 MB |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 411 | 33.3% | 60.9% | 0.28 MB |
| D30 | QGD, Capablanca-Duras variation | 32 | 40.6% | 60.9% | 0.03 MB |
| D20 | QGA, 3.e4 | 293 | 35.2% | 60.9% | 0.20 MB |
| C41 | Philidor, Improved Hanham variation | 87 | 32.2% | 60.9% | 0.07 MB |
| C42 | Petrov, classical attack | 87 | 39.1% | 60.9% | 0.06 MB |
| E62 | King's Indian, fianchetto, Uhlmann (Szabo) variation | 46 | 21.7% | 60.9% | 0.04 MB |
| D25 | QGA, Janowsky-Larsen variation | 60 | 38.3% | 60.8% | 0.04 MB |
| D80 | Gruenfeld, Stockholm variation | 65 | 35.4% | 60.8% | 0.05 MB |
| C98 | Ruy Lopez, closed, Chigorin, 12...Nc6 | 121 | 32.2% | 60.7% | 0.09 MB |
| C64 | Ruy Lopez, classical defence, 4.c3 | 28 | 28.6% | 60.7% | 0.02 MB |
| D74 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O | 28 | 42.9% | 60.7% | 0.02 MB |
| B90 | Sicilian, Najdorf, Adams attack | 14 | 64.3% | 60.7% | 0.02 MB |
| E99 | King's Indian, orthodox, Aronin-Taimanov, Benko attack | 14 | 7.1% | 60.7% | 0.01 MB |
| A41 | Old Indian, Tartakower (Wade) variation | 84 | 31.0% | 60.7% | 0.06 MB |
| B07 | Pirc, Byrne variation | 42 | 40.5% | 60.7% | 0.03 MB |
| B01 | Scandinavian defence, Lasker variation | 14 | 35.7% | 60.7% | 0.01 MB |
| E90 | King's Indian, Zinnowitz variation | 14 | 35.7% | 60.7% | 0.01 MB |
| B81 | Sicilian, Scheveningen, Keres attack | 653 | 30.5% | 60.6% | 0.37 MB |
| D44 | QGD semi-Slav, anti-Meran, Lilienthal variation | 76 | 34.2% | 60.5% | 0.04 MB |
| B10 | Caro-Kann, Two knights variation | 57 | 43.9% | 60.5% | 0.04 MB |
| D06 | QGD, Marshall defence | 43 | 46.5% | 60.5% | 0.03 MB |
| E70 | King's Indian, Kramer system | 43 | 23.3% | 60.5% | 0.03 MB |
| D32 | QGD, Tarrasch defence | 49 | 46.9% | 60.2% | 0.04 MB |
| B33 | Sicilian, Pelikan, Chelyabinsk variation | 790 | 31.3% | 60.2% | 0.47 MB |
| E61 | King's Indian defence, 3.Nc3 | 153 | 31.4% | 60.1% | 0.11 MB |
| E98 | King's Indian, orthodox, Aronin-Taimanov, 9.Ne1 | 486 | 23.0% | 60.1% | 0.31 MB |
| B73 | Sicilian, dragon, classical, Richter variation | 15 | 26.7% | 60.0% | 0.01 MB |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc | 5 | 40.0% | 60.0% | 0.01 MB |
| C68 | Ruy Lopez, exchange, Romanovsky variation | 5 | 40.0% | 60.0% | 0.01 MB |
| D33 | QGD, Tarrasch, Folkestone (Swedish) variation | 5 | 40.0% | 60.0% | 0.00 MB |
| E80 | King's Indian, Saemisch variation | 30 | 33.3% | 60.0% | 0.03 MB |
| C15 | French, Winawer, Alekhine (Maroczy) gambit | 30 | 33.3% | 60.0% | 0.03 MB |
| A23 | English, Bremen system, Keres variation | 45 | 26.7% | 60.0% | 0.03 MB |
| E12 | Queen's Indian, 4.Nc3, Botvinnik variation | 5 | 40.0% | 60.0% | 0.01 MB |
| D11 | QGD Slav, Breyer variation | 20 | 30.0% | 60.0% | 0.02 MB |
| E23 | Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6 | 5 | 40.0% | 60.0% | 0.00 MB |
| E73 | King's Indian, 5.Be2 | 5 | 80.0% | 60.0% | 0.00 MB |
| D19 | QGD Slav, Dutch variation, main line | 60 | 40.0% | 60.0% | 0.04 MB |
| C48 | Four knights, Rubinstein counter-gambit, exchange variation | 20 | 70.0% | 60.0% | 0.02 MB |
| A00 | Dunst (Sleipner, Heinrichsen) opening | 5 | 40.0% | 60.0% | 0.00 MB |
| B64 | Sicilian, Richter-Rauzer, Rauzer attack, Geller variation | 5 | 40.0% | 60.0% | 0.01 MB |
| D55 | QGD, 6.Nf3 | 10 | 40.0% | 60.0% | 0.01 MB |
| C92 | Ruy Lopez, closed, Kholmov variation | 35 | 22.9% | 60.0% | 0.02 MB |
| C34 | KG |