CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Opening statistics

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.

ECOOpeningNumber
of
games
DrawsWhite
score
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
B00Guatemala defence10.0%100.0%
C44Ponziani counter-gambit, Cordel variation10.0%100.0%
C39KGA, Allgaier gambit10.0%100.0%
C32KGD, Falkbeer, Charousek gambit10.0%100.0%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation30.0%100.0%
C36KGA, Abbazia defence, Botvinnik variation20.0%100.0%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%
C41Philidor, Paulsen attack30.0%100.0%
C39King's knight's gambit10.0%100.0%
C32KGD, Falkbeer, Tarrasch variation10.0%100.0%
C78Ruy Lopez, Rabinovich variation10.0%100.0%
C51Evans gambit, Steinitz variation10.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
B03Alekhine's defence, four pawns attack, Planinc variation20.0%100.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
D08QGD, Albin counter-gambit, Janowski variation10.0%100.0%
B40Sicilian, Pin, Jaffe variation30.0%100.0%
B01Scandinavian, Kiel variation520.0%90.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
B00Fred80.0%87.5%
C22Centre game, Hall variation425.0%87.5%
C31KGD, Falkbeer, Tartakower variation128.3%87.5%
C13French, classical, Frankfurt variation1618.8%84.4%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
C37KGA, Rosentreter gambit333.3%83.3%
C45Scotch, Ghulam Kassim variation333.3%83.3%
A40Queen's pawn, Charlick (Englund) gambit60.0%83.3%
D30QGD, Stonewall variation333.3%83.3%
B00Corn stalk defence1136.4%81.8%
C58Two knights defence, Paoli variation1118.2%81.8%
A04Reti, Wade defence540.0%80.0%
C83Ruy Lopez, open, Breslau variation50.0%80.0%
C41Philidor, Lopez counter-gambit1513.3%80.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
A70Benoni, classical without 9.O-O714.3%78.6%
C58Two knights defence, Colman variation90.0%77.8%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation205.0%77.5%
B12Caro-Kann, Edinburgh variation456.7%76.7%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C52Evans gambit, Alapin-Steinitz variation450.0%75.0%
D63QGD, Orthodox defence, Capablanca variation40.0%75.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
C14French, classical, Tarrasch variation650.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
C12French, MacCutcheon, Bogolyubov variation616.7%75.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C53Giuoco Piano, Mestel variation250.0%75.0%
D30QGD, Spielmann variation450.0%75.0%
C37KGA, MacDonnell gambit250.0%75.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
C41Philidor, Hanham, Delmar variation850.0%75.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%75.0%
C58Two knights defence, Blackburne variation450.0%75.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C33KGA, bishop's gambit, McDonnell attack250.0%75.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
C30KGD, classical, Reti variation616.7%75.0%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C14French, classical, Stahlberg variation450.0%75.0%
C64Ruy Lopez, Cordel gambit4727.7%73.4%
B09Pirc, Austrian attack, Ljubojevic variation1323.1%73.1%
C70Ruy Lopez, fianchetto defence deferred1338.5%73.1%
B01Scandinavian, Richter variation1822.2%72.2%
A00Global opening1618.8%71.9%
B27Sicilian, Stiletto (Althouse) variation1414.3%71.4%
C15French, Winawer, Alekhine gambit70.0%71.4%
D98Gruenfeld, Russian, Keres variation1225.0%70.8%
B05Alekhine's defence, modern, Panov variation1735.3%70.6%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd2729.6%70.4%
B03Alekhine's defence, four pawns attack, Trifunovic variation4221.4%70.2%
B40Sicilian, Pin, Koch variation12223.8%70.1%
A66Benoni, pawn storm variation560.0%70.0%
C96Ruy Lopez, closed, Rossolimo defence520.0%70.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack2817.9%69.6%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
C41Philidor, Hanham, Krause variation2623.1%69.2%
C42Petrov, French attack1315.4%69.2%
B12Caro-Kann, advance, Short variation9218.5%69.0%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
B24Sicilian, closed, Smyslov variation837.5%68.8%
D51QGD2412.5%68.8%
D16QGD Slav accepted, Alapin variation22822.4%68.6%
A10English, Jaenisch gambit1921.1%68.4%
D41QGD, Semi-Tarrasch, San Sebastian variation7925.3%68.4%
A83Dutch, Staunton gambit, Chigorin variation5232.7%68.3%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
C41Philidor, Larsen variation7724.7%68.2%
E62King's Indian, fianchetto, Simagin variation16328.2%68.1%
D84Gruenfeld, Gruenfeld gambit accepted8124.7%67.9%
C10French, Marshall variation1435.7%67.9%
C43Petrov, modern attack, Bardeleben variation1421.4%67.9%
C64Ruy Lopez, classical defence, Charousek variation1717.6%67.6%
C65Ruy Lopez, Berlin defence, Mortimer variation175.9%67.6%
D45QGD semi-Slav, stonewall defence2619.2%67.3%
A16English, Anglo-Gruenfeld, Czech defense12531.2%66.8%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C49Four knights, Svenonius variation30.0%66.7%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1216.7%66.7%
C77Ruy Lopez, Wormald attack, Gruenfeld variation366.7%66.7%
C12French, MacCutcheon, Duras variation366.7%66.7%
A79Benoni, classical, 11.f319820.2%66.7%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
E09Catalan, closed, Sokolsky variation30.0%66.7%
C40Latvian gambit, 3.Bc4633.3%66.7%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
A44Old Benoni defence6225.8%66.1%
D18QGD Slav, Dutch, Lasker variation2810.7%66.1%
C41Philidor, Hanham variation6634.8%65.9%
B05Alekhine's defence, modern, Flohr variation35329.7%65.6%
D87Gruenfeld, exchange, Seville variation17738.4%65.5%
C95Ruy Lopez, closed, Breyer, Gligoric variation6819.1%65.4%
C46Three knights, Schlechter variation1338.5%65.4%
B04Alekhine's defence, modern, Schmid variation13129.8%65.3%
D22QGA, Alekhine defence, Alatortsev variation1050.0%65.0%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
B21Sicilian, Andreaschek gambit1747.1%64.7%
A97Dutch, Ilyin-Genevsky, Winter variation17936.3%64.5%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation30733.2%64.5%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
C40Greco defence9017.8%64.4%
C41Philidor, Nimzovich, Rellstab variation9033.3%64.4%
B05Alekhine's defence, modern variation, 4...Bg485828.9%64.3%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
B18Caro-Kann, classical, Maroczy attack742.9%64.3%
A59Benko gambit, Ne2 variation1428.6%64.3%
A02Bird's opening, Swiss gambit1414.3%64.3%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
C57Two knights defence, Pincus variation742.9%64.3%
D90Gruenfeld, Schlechter variation1428.6%64.3%
E74King's Indian, Averbakh, 6...c523322.3%63.9%
C98Ruy Lopez, closed, Chigorin, 12...Nc625925.9%63.9%
B00Barnes defence1816.7%63.9%
D35QGD, exchange, chameleon variation1827.8%63.9%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
B01Scandinavian defence, Lasker variation14528.3%63.8%
D46QGD semi-Slav, Romih variation22728.6%63.7%
C80Ruy Lopez, open, Tartakower variation1136.4%63.6%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1136.4%63.6%
C48Four knights, Marshall variation1118.2%63.6%
C40Gunderam defence23521.7%63.6%
C31KGD, Falkbeer, 4.d31533.3%63.3%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11348.7%63.3%
B03Alekhine's defence, four pawns attack, fianchetto variation4936.7%63.3%
C67Ruy Lopez, Berlin defence, Minckwitz variation5339.6%63.2%
C22Centre game1931.6%63.2%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4231.0%63.1%
A59Benko gambit8433.3%63.1%
B06Robatsch defence, Gurgenidze variation69223.6%63.1%
C48Four knights, Rubinstein counter-gambit, Henneberger variation4634.8%63.0%
B56Sicilian, Venice attack64434.5%63.0%
A52Budapest, Alekhine, Abonyi variation4630.4%63.0%
C95Ruy Lopez, closed, Breyer, Simagin variation7742.9%63.0%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2722.2%63.0%
C53Giuoco Piano, centre-holding variation2722.2%63.0%
E33Nimzo-Indian, classical, 4...Nc612824.2%62.9%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
E67King's Indian, fianchetto with ...Nd717226.7%62.8%
E85King's Indian, Saemisch, orthodox variation4337.2%62.8%
D86Gruenfeld, exchange, Simagin's lesser variation5527.3%62.7%
C57Two knights defence, Wilkes Barre (Traxler) variation7516.0%62.7%
C15French, Winawer, Kondratiyev variation1241.7%62.5%
D31QGD, semi-Slav, Junge variation2817.9%62.5%
E23Nimzo-Indian, Spielmann, San Remo variation475.0%62.5%
A02Bird, Hobbs gambit425.0%62.5%
C29Vienna gambit, Kaufmann variation1241.7%62.5%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
C40Latvian, Fraser defence128.3%62.5%
C67Ruy Lopez, open Berlin defence, Showalter variation425.0%62.5%
C53Giuoco Piano, Tarrasch variation425.0%62.5%
B71Sicilian, dragon, Levenfish; Flohr variation425.0%62.5%
B72Sicilian, dragon, classical, Grigoriev variation850.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
A86Dutch with c4 & g319226.0%62.5%
C39KGA, Kieseritsky, Neumann defence425.0%62.5%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18231.3%62.4%
C40QP counter-gambit, Maroczy gambit6123.0%62.3%
A55Old Indian, main line112027.0%62.2%
A59Benko gambit, main line90234.1%62.2%
E87King's Indian, Saemisch, orthodox, 7.d545220.8%62.2%
B58Sicilian, Boleslavsky, Louma variation3727.0%62.2%
A96Dutch, classical variation52330.2%62.1%
C40QP counter-gambit (elephant gambit)17117.5%62.0%
A81Dutch defence, Blackburne variation7131.0%62.0%
C42Petrov, classical attack, Mason variation8839.8%61.9%
C41Philidor, Hanham, Schlechter variation6325.4%61.9%
C30KGD, classical, 4.c312625.4%61.9%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
A06Tennison (Lemberg, Zukertort) gambit1717.6%61.8%
D99Gruenfeld defence, Smyslov, main line38230.6%61.6%
A42Pterodactyl defence110827.1%61.6%
E21Nimzo-Indian, three knights, Korchnoi variation4334.9%61.6%
A92Dutch, stonewall with Nc35619.6%61.6%
A43Old Benoni, Franco-Benoni defence15125.2%61.6%
A56Czech Benoni defence75525.2%61.6%
C46Three knights, Steinitz, Rosenthal variation1361.5%61.5%
D07QGD, Chigorin defence, Janowski variation53224.4%61.5%
A97Dutch, Ilyin-Genevsky variation4431.8%61.4%
C82Ruy Lopez, open, Italian variation8831.8%61.4%
C47Four knights, Scotch variation4436.4%61.4%
B04Alekhine's defence, modern variation38921.3%61.3%
C96Ruy Lopez, closed, Keres (...Nd7) defence32137.7%61.2%
A51Budapest, Fajarowicz variation11625.9%61.2%
B03Alekhine's defence, four pawns attack, 7.Be315230.3%61.2%
B16Caro-Kann, Bronstein-Larsen variation69824.4%61.2%
C65Ruy Lopez, Berlin defence, 4.O-O17524.0%61.1%
C70Ruy Lopez, Graz variation933.3%61.1%
C00Lengfellner system10827.8%61.1%
D41QGD, Semi-Tarrasch, Kmoch variation2748.1%61.1%
C82Ruy Lopez, open, Berlin variation1833.3%61.1%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
B04Alekhine's defence, modern, Keres variation15934.0%61.0%
A44Semi-Benoni (`blockade variation')98821.0%61.0%
B03Alekhine's defence, Balogh variation4119.5%61.0%
D33QGD, Tarrasch, Prague variation12334.1%61.0%
B39Sicilian, accelerated fianchetto, Breyer variation148532.7%60.9%
D51QGD, 5...c66421.9%60.9%
C40Latvian counter-gambit15125.2%60.9%
A43Old Benoni, Mujannah formation11921.0%60.9%
A98Dutch, Ilyin-Genevsky variation with Qc217026.5%60.9%
D08QGD, Albin counter-gambit, Alapin variation2334.8%60.9%
C03French, Tarrasch, Guimard variation22622.6%60.8%
E82King's Indian, Saemisch, double fianchetto variation15328.8%60.8%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
A92Dutch defence11232.1%60.7%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence1450.0%60.7%
A72Benoni, classical without 9.O-O12227.9%60.7%
C80Ruy Lopez, open, 6.d44727.7%60.6%
A86Dutch, Leningrad variation17931.8%60.6%
E17Queen's Indian, Euwe variation10436.5%60.6%
C14French, classical, Alapin variation7634.2%60.5%
A18English, Mikenas-Carls, Flohr variation15228.9%60.5%
C78Ruy Lopez, Wing attack1947.4%60.5%
D86Gruenfeld, exchange, Larsen variation1926.3%60.5%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation48128.3%60.5%
D33QGD, Tarrasch, Wagner variation2429.2%60.4%
D26QGA, classical, Steinitz variation9750.5%60.3%
C43Petrov, modern (Steinitz) attack15125.2%60.3%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd258027.6%60.2%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation120625.9%60.1%
D56QGD, Lasker defence, Teichmann variation14432.6%60.1%
B01Scandinavian, Marshall variation85327.7%60.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
A54Old Indian, Dus-Khotimirsky variation50.0%60.0%
C45Scotch, Tartakower variation1540.0%60.0%
C30KGD, classical, Soldatenkov variation1020.0%60.0%
A82Dutch, Balogh defence50.0%60.0%
C80Ruy Lopez, open, Harksen gambit50.0%60.0%
D94Gruenfeld with e3 Bd33040.0%60.0%
C25Vienna, Steinitz gambit540.0%60.0%
C41Philidor, Philidor counter-gambit, del Rio attack540.0%60.0%
C17French, Winawer, advance variation9024.4%60.0%
C31KGD, Falkbeer, 3...e4540.0%60.0%
E69King's Indian, fianchetto, classical main line125530.3%60.0%
C88Ruy Lopez, Noah's ark trap50.0%60.0%
C50Rousseau gambit50.0%60.0%
C49Four knights, symmetrical, Tarrasch variation540.0%60.0%
C31KGD, Falkbeer, Morphy gambit540.0%60.0%
C44Ponziani, Romanishin variation1060.0%60.0%
B01Scandinavian (centre counter) defence463127.0%60.0%
C97Ruy Lopez, closed, Chigorin defence169922.8%59.9%
C19French, Winawer, advance, 6...Ne775026.0%59.9%
D22QGA, Haberditz variation19732.5%59.9%
B82Sicilian, Scheveningen, Tal variation18717.1%59.9%
B01Scandinavian, Pytel-Wade variation270834.2%59.9%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation32428.4%59.9%
A93Dutch, stonewall, Botwinnik variation24427.9%59.8%
D44QGD semi-Slav, anti-Meran gambit186826.0%59.8%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
A70Benoni, classical with e4 and Nf3144527.1%59.8%
C59Two knights defence, Steinitz variation16425.6%59.8%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8236.6%59.8%
E10Dzindzikhashvili defence19027.9%59.7%
A76Benoni, classical, 9...Re811315.0%59.7%
B27Sicilian defence10828.7%59.7%
B15Caro-Kann, Gurgenidze counter-attack3116.1%59.7%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
E91King's Indian, 6.Be286025.1%59.7%
B09Pirc, Austrian attack, 6.e530628.4%59.6%
D32QGD, Tarrasch, von Hennig-Schara gambit8330.1%59.6%
C23Bishop's opening, Philidor counter-attack10434.6%59.6%
C82Ruy Lopez, open, St. Petersburg variation27638.0%59.6%
A24English, Bremen system with ...g66825.0%59.6%
C66Ruy Lopez, closed Berlin defence, Showalter variation6349.2%59.5%
A87Dutch, Leningrad, main variation77228.6%59.5%
D34QGD, Tarrasch, Prague variation, 7...Be737430.7%59.5%
A92Dutch defence, Alekhine variation11631.0%59.5%
A16English, Anglo-Gruenfeld, Smyslov defense7437.8%59.5%
C15French, Winawer, fingerslip variation3721.6%59.5%
C92Ruy Lopez, closed, Kholmov variation19126.7%59.4%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
B00KP, Colorado counter1631.3%59.4%
C20KP, King's head opening1631.3%59.4%
E96King's Indian, orthodox, 7...Nbd7, main line21533.0%59.3%
E29Nimzo-Indian, Saemisch, main line12930.2%59.3%
A52Budapest, Adler variation59329.5%59.3%
C30KGD, Mafia defence10825.9%59.3%
B76Sicilian, dragon, Yugoslav attack, Rauser variation130725.6%59.3%
B12Caro-Kann, 3.Nd247026.2%59.3%
E07Catalan, closed, Botvinnik variation14625.3%59.2%
A67Benoni, Taimanov variation35718.8%59.2%
A56Czech Benoni, King's Indian system30318.8%59.2%
A40Beefeater defence3823.7%59.2%
B27Sicilian, Quinteros variation9818.4%59.2%
A09Reti accepted, Keres variation12021.7%59.2%
D55QGD, 6.Nf333332.4%59.2%
A99Dutch, Ilyin-Genevsky variation with b349724.9%59.2%
C12French, MacCutcheon, Janowski variation17524.6%59.1%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
D05Queen's pawn game, Zukertort variation3327.3%59.1%
D25QGA, Flohr variation6627.3%59.1%
C51Evans gambit, Goering attack1127.3%59.1%
A65Benoni, 6.e418223.6%59.1%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215031.3%59.0%
D06QGD, Marshall defence31727.1%59.0%
E02Catalan, open, 5.Qa48937.1%59.0%
C99Ruy Lopez, closed, Chigorin, 12...c5d4206434.3%59.0%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48121.4%58.9%
B18Caro-Kann, classical, Flohr variation8439.3%58.9%
C71Ruy Lopez, modern Steinitz defence, Three knights variation2825.0%58.9%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1311721.3%58.9%
B02Alekhine's defence, Brooklyn defence6221.0%58.9%
A92Dutch, stonewall variation32727.2%58.9%
B06Robatsch defence, Pseudo-Austrian attack91925.5%58.9%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14132.6%58.9%
B81Sicilian, Scheveningen, Keres attack464325.8%58.9%
B06Robatsch defence121327.8%58.8%
C19French, Winawer, advance, Smyslov variation26225.2%58.8%
E16Queen's Indian, Yates variation75331.2%58.8%
C19French, Winawer, advance, poisoned pawn variation505224.4%58.7%
A56Benoni defence149427.0%58.7%
C21Centre game27533.1%58.7%
C86Ruy Lopez, Worrall attack9228.3%58.7%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc42330.4%58.7%
D50QGD, Semi-Tarrasch2347.8%58.7%
C20KP, Patzer opening2330.4%58.7%
A00Anti-Borg (Desprez) opening2321.7%58.7%
D16QGD Slav, Steiner variation35229.3%58.7%
E68King's Indian, fianchetto, classical variation, 8.e4210729.0%58.7%
D16QGD Slav, Smyslov variation12227.0%58.6%
A56Benoni defence, Hromodka system107121.0%58.6%
C43Petrov, modern attack, main line46631.8%58.6%
B72Sicilian, dragon, classical attack7028.6%58.6%
A61Benoni defence73024.8%58.6%
A04Reti, Pirc-Lisitsin gambit15822.2%58.5%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation41623.3%58.5%
C92Ruy Lopez, closed, Keres (9...a5) variation4723.4%58.5%
D33QGD, Tarrasch, Folkestone (Swedish) variation5334.0%58.5%
D17QGD Slav, Wiesbaden variation65827.5%58.4%
D34QGD, Tarrasch, Prague variation, Normal position110334.2%58.4%
C42Petrov, Kaufmann attack28032.5%58.4%
E76King's Indian, Four pawns attack28030.4%58.4%
A41Old Indian, Tartakower (Wade) variation317624.7%58.4%
B08Pirc, classical system, 5.Be2466330.9%58.4%
C96Ruy Lopez, closed (10...c5)118629.7%58.3%
D52QGD, Cambridge Springs defence, Yugoslav variation94728.0%58.3%
C57Two knights defence, Fritz variation616.7%58.3%
C24Bishop's opening, Urusov gambit, Panov variation616.7%58.3%
D51QGD, Capablanca anti-Cambridge Springs variation1216.7%58.3%
C51Evans gambit, Morphy attack1233.3%58.3%
A03Bird's opening, Williams gambit1816.7%58.3%
C82Ruy Lopez, open, 9.c3616.7%58.3%
B20Sicilian, wing gambit, Carlsbad variation2416.7%58.3%
C30KGD, classical counter-gambit616.7%58.3%
C60Ruy Lopez, Brentano defence616.7%58.3%
C61Ruy Lopez, Bird's defence29526.4%58.3%
B06Robatsch defence, Two knights, Suttles variation244834.3%58.3%
D17QGD Slav, Krause attack82626.2%58.2%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation49229.5%58.2%
E32Nimzo-Indian, classical, Adorjan gambit18327.9%58.2%
C01French, exchange, Svenonius variation6137.7%58.2%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation114729.7%58.2%
A52Budapest, Rubinstein variation68536.1%58.2%
A12English, Bled variation4332.6%58.1%
C26Vienna, Mengarini variation3735.1%58.1%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
B06Robatsch defence, Two knights variation58030.0%58.1%
C80Ruy Lopez, open, Bernstein variation94635.6%58.1%
B09Pirc, Austrian attack, 6.Bd3388030.8%58.1%
D25QGA, Smyslov variation19930.7%58.0%
D94Gruenfeld, 5.e372834.5%58.0%
D86Gruenfeld, exchange, Simagin's improved variation11230.4%58.0%
A42Modern defence, Averbakh system86528.9%58.0%
C96Ruy Lopez, closed, Borisenko defence8127.2%58.0%
E17Queen's Indian, Opovcensky variation127829.8%58.0%
C45Scotch, Pulling counter-attack2520.0%58.0%
B03Alekhine's defence, exchange variation73830.9%58.0%
B33Sicilian, Pelikan, Bird variation23828.6%58.0%
A89Dutch, Leningrad, main variation with Nc6132628.5%57.9%
D18QGD Slav, Dutch variation86031.9%57.9%
C57Two knights defence, Lolli attack1921.1%57.9%
C81Ruy Lopez, open, Howell attack9537.9%57.9%
E78King's Indian, Four pawns attack, with Be2 and Nf31942.1%57.9%
C41Philidor, exchange variation119825.1%57.9%
A57Benko gambit half accepted119229.4%57.9%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)16539.4%57.9%
D42QGD, Semi-Tarrasch, 7.Bd361036.7%57.9%
D34QGD, Tarrasch, Prague variation, 9.Bg5109338.5%57.9%
D48QGD semi-Slav, Meran, old main line19733.5%57.9%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3228.1%57.8%
C75Ruy Lopez, modern Steinitz defence28327.9%57.8%
B00KP, Nimzovich defence241023.5%57.8%
B01Scandinavian defence141229.4%57.8%
D26QGA, classical variation, 6.O-O38735.4%57.8%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack309128.6%57.7%
A53Old Indian, Janowski variation58419.5%57.7%
B09Pirc, Austrian attack74027.8%57.7%
B27Sicilian, Acton extension1323.1%57.7%
E72King's Indian, Pomar system1353.8%57.7%
C48Four knights, Rubinstein counter-gambit, 5.Be21323.1%57.7%
C53Giuoco Piano, LaBourdonnais variation1338.5%57.7%
B03Alekhine's defence, four pawns attack9131.9%57.7%
B15Caro-Kann, Gurgenidze system51728.2%57.6%
A35English, symmetrical variation34727.1%57.6%
A42Modern defence, Averbakh system, Kotov variation60925.3%57.6%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
D47QGD semi-Slav, 7.Bc478626.8%57.6%
E38Nimzo-Indian, classical, 4...c575530.1%57.5%
C19French, Winawer, advance, positional main line279723.2%57.5%
D41QGD, Semi-Tarrasch, 5.cd89734.6%57.5%
C83Ruy Lopez, open, classical defence18039.4%57.5%
C80Ruy Lopez, open, Riga variation4030.0%57.5%
B19Caro-Kann, classical, Spassky variation817227.6%57.5%
D63QGD, Orthodox defence10725.2%57.5%
E91King's Indian, Kazakh variation69729.4%57.5%
E51Nimzo-Indian, 4.e3, Ragozin variation4751.1%57.4%
C14French, classical, Steinitz variation89526.1%57.4%
B60Sicilian, Richter-Rauzer124225.3%57.4%
D10QGD Slav, Winawer counter-gambit29126.8%57.4%
D07QGD, Chigorin defence216827.6%57.4%
D87Gruenfeld, exchange, Spassky variation64433.7%57.4%
E16Queen's Indian, Capablanca variation40032.8%57.4%
C63Ruy Lopez, Schliemann defence34126.1%57.3%
D52QGD, Cambridge Springs defence, 7.cd38431.8%57.3%
D57QGD, Lasker defence, main line4831.3%57.3%
C13French, Albin-Alekhine-Chatard attack35722.7%57.3%
E09Catalan, closed, main line60528.9%57.3%
B28Sicilian, O'Kelly variation77826.9%57.3%
D25QGA, 4.e354428.9%57.3%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf644823.9%57.3%
E92King's Indian, Gligoric-Taimanov system238324.6%57.2%
C17French, Winawer, advance, 5.a374624.7%57.2%
C87Ruy Lopez, closed, Averbach variation38729.7%57.2%
C18French, Winawer, advance variation73320.3%57.2%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation8334.9%57.2%
A40Polish defence35324.9%57.2%
A84Dutch defence159225.9%57.2%
B27Sicilian, Hungarian variation1020633.6%57.2%
E62King's Indian, fianchetto with ...Nc633424.6%57.2%
D45QGD semi-Slav, 5.e3136428.2%57.1%
D55QGD, Neo-orthodox variation757.1%57.1%
C41Philidor, Nimzovich variation2128.6%57.1%
E79King's Indian, Four pawns attack, main line12644.4%57.1%
D06Queen's Gambit2119.0%57.1%
C48Four knights, Bardeleben variation728.6%57.1%
D60QGD, Orthodox defence28229.8%57.1%
B02Alekhine's defence, Saemisch attack22621.2%57.1%
C41Philidor, Improved Hanham variation124027.2%57.1%
C05French, Tarrasch, Botvinnik variation14924.2%57.0%
E94King's Indian, orthodox variation186031.2%57.0%
C42Petrov, classical attack182630.6%57.0%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3289638.8%57.0%
D50QGD, 4.Bg530628.4%57.0%
B42Sicilian, Kan, Gipslis variation19329.0%57.0%
A61Benoni, Nimzovich (knight's tour) variation68027.8%57.0%
C93Ruy Lopez, closed, Smyslov defence24433.6%57.0%
E63King's Indian, fianchetto, Panno variation324028.7%57.0%
B10Caro-Kann, anti-Caro-Kann defence128825.9%56.9%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O51932.9%56.9%
E94King's Indian, orthodox, 7...Nbd7256126.3%56.9%
C58Two knights defence, Bogolyubov variation6521.5%56.9%
A63Benoni, fianchetto, 9...Nbd79426.6%56.9%
A88Dutch, Leningrad, main variation with c6211531.2%56.9%
E64King's Indian, fianchetto, Yugoslav system17423.0%56.9%
A30English, symmetrical, hedgehog, flexible formation58036.2%56.9%
C68Ruy Lopez, exchange variation32025.6%56.9%
B07Robatsch defence, Geller's system153830.0%56.9%
A84Dutch defence, Rubinstein variation64328.1%56.8%
B04Alekhine's defence, modern, Larsen variation122332.7%56.8%
C60Ruy Lopez, Cozio defence36826.1%56.8%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
E44Nimzo-Indian, Fischer variation, 5.Ne286424.2%56.8%
C05French, Tarrasch, closed variation189424.1%56.8%
B42Sicilian, Kan, 5.Bd3427829.1%56.7%
B29Sicilian, Nimzovich-Rubinstein variation48527.2%56.7%
C18French, Winawer, classical variation76921.1%56.7%
B02Alekhine's defence, Spielmann variation1533.3%56.7%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1533.3%56.7%
E36Nimzo-Indian, classical, Botvinnik variation1533.3%56.7%
C80Ruy Lopez, open, 8.de1520.0%56.7%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4149930.7%56.6%
A21English, Smyslov defence5326.4%56.6%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation5326.4%56.6%
C41Philidor's defence52329.4%56.6%
D25QGA, Janowsky-Larsen variation69028.8%56.6%
E39Nimzo-Indian, classical, Pirc variation133531.8%56.6%
A18English, Mikenas-Carls variation9226.1%56.5%
D60QGD, Orthodox defence, Rauzer variation2326.1%56.5%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence66126.8%56.5%
C55Two knights defence (Modern bishop's opening)132029.5%56.5%
D46QGD semi-Slav, Bogolyubov variation44130.4%56.5%
D31QGD, Janowski variation17838.8%56.5%
C16French, Winawer, advance variation105423.0%56.5%
E73King's Indian, Semi-Averbakh system3116.1%56.5%
B42Sicilian, Kan, Swiss cheese variation29527.5%56.4%
C17French, Winawer, advance, Bogolyubov variation29528.8%56.4%
C49Four knights, double Ruy Lopez31142.1%56.4%
C95Ruy Lopez, closed, Breyer, Borisenko variation231430.2%56.4%
D06QGD, Grau (Sahovic) defence123924.5%56.4%
C20KP, Mengarini's opening7817.9%56.4%
B55Sicilian, Prins variation, Venice attack11735.9%56.4%
C10French, Paulsen variation149827.2%56.4%
D16QGD Slav, Soultanbeieff variation24239.3%56.4%
C29Vienna gambit, Breyer variation12537.6%56.4%
E11Bogo-Indian defence, Nimzovich variation263128.5%56.4%
C42Petrov, classical attack, Jaenisch variation326235.1%56.4%
D19QGD Slav, Dutch variation265429.0%56.4%
B08Pirc, classical (two knights) system85727.5%56.4%
E92King's Indian, Petrosian system18117.7%56.4%
A04Reti v Dutch222325.4%56.3%
B12Caro-Kann defence175321.7%56.3%
E17Queen's Indian, old main line, 6.O-O84629.9%56.3%
D53QGD, 4.Bg5 Be758635.5%56.3%
A28English, four knights, Stean variation17524.6%56.3%
B06Robatsch (modern) defence961229.5%56.3%
D47QGD semi-Slav, neo-Meran (Lundin variation)70931.3%56.3%
B08Pirc, classical, h3 system66329.9%56.3%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
C12French, MacCutcheon, Grigoriev variation862.5%56.3%
A59Benko gambit, 7.e4837.5%56.3%
C55Two knights, Max Lange attack, Steinitz variation812.5%56.3%
E83King's Indian, Saemisch, Ruban variation812.5%56.3%
C03French, Tarrasch278629.7%56.2%
A41Modern defence8927.0%56.2%
C74Ruy Lopez, modern Steinitz defence6541.5%56.2%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit6535.4%56.2%
C04French, Tarrasch, Guimard main line42326.7%56.1%
C30King's gambit17124.6%56.1%
A36English, symmetrical, Botvinnik system60328.4%56.1%
A81Dutch defence709628.5%56.1%
A41Queen's Pawn478523.1%56.1%
B32Sicilian, Flohr variation14027.9%56.1%
C57Two knights defence, Ulvestad variation3321.2%56.1%
D71Neo-Gruenfeld, 5.cd19841.4%56.1%
C89Ruy Lopez, Marshall, main line, 12.d2d4100726.7%56.1%
B10Caro-Kann, Two knights variation81826.5%56.1%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724027.9%56.0%
E60King's Indian, 3.g3207031.3%56.0%
D51QGD, 4.Bg5 Nbd711631.0%56.0%
B02Alekhine's defence54732.7%56.0%
E95King's Indian, orthodox, 7...Nbd7, 8.Re197026.5%56.0%
C15French, Winawer, Alekhine (Maroczy) gambit36531.0%56.0%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
E08Catalan, closed, Spassky gambit2524.0%56.0%
A50Queen's pawn game187827.6%56.0%
D22QGA, Alekhine defence34434.6%56.0%
C92Ruy Lopez, closed, 9.h355426.7%56.0%
D20QGA, 3.e4383028.7%56.0%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
C63Ruy Lopez, Schliemann defence, Berger variation64733.4%56.0%
B15Caro-Kann, Forgacs variation10136.6%55.9%
C09French, Tarrasch, open variation, main line216136.8%55.9%
B07Pirc, Ufimtsev-Pytel variation81523.9%55.9%
A52Budapest defence6820.6%55.9%
E16Queen's Indian, Riumin variation40932.0%55.9%
E18Queen's Indian, old main line, 7.Nc3293532.7%55.9%
E05Catalan, open, classical line48731.2%55.9%
A90Dutch defence202125.9%55.8%
B36Sicilian, accelerated fianchetto, Maroczy bind141135.8%55.8%
D48QGD semi-Slav, Meran, Reynolds' variation132528.5%55.8%
E65King's Indian, fianchetto, Yugoslav, 7.O-O22431.3%55.8%
E13Queen's Indian, 4.Nc3, main line35425.7%55.8%
A77Benoni, classical, 9...Re8, 10.Nd240624.9%55.8%
E94King's Indian, orthodox, Donner variation22526.2%55.8%
A40Queen's pawn, Franco-Indian (Keres) defence304728.2%55.8%
D28QGA, classical, 7.Qe213042.3%55.8%
C13French, classical, Tartakower variation2626.9%55.8%
A30English, symmetrical, hedgehog system736931.8%55.8%
C67Ruy Lopez, open Berlin defence, 5...Be711333.6%55.8%
A40Modern defence201024.4%55.7%
B13Caro-Kann, exchange, Rubinstein variation20934.0%55.7%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd712239.3%55.7%
B04Alekhine's defence, modern, fianchetto variation83129.8%55.7%
C67Ruy Lopez, Berlin defence, Rosenthal variation3542.9%55.7%
C91Ruy Lopez, closed, 9.d4373026.8%55.7%
B00Owen defence71024.9%55.7%
E66King's Indian, fianchetto, Yugoslav Panno45627.2%55.7%
A05Reti, King's Indian attack212329.6%55.7%
C58Two knights defence20223.3%55.7%
A11English, Caro-Kann defensive system137127.1%55.7%
B82Sicilian, Scheveningen, 6.f476629.9%55.7%
A85Dutch with c4 & Nc351132.7%55.7%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6109434.2%55.7%
D52QGD30130.2%55.6%
D35QGD, exchange, positional line, 5...c6159628.2%55.6%
B40Sicilian, Anderssen variation208431.5%55.6%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation75432.0%55.6%
B07Pirc, Byrne variation42725.1%55.6%
D08QGD, Albin counter-gambit17836.0%55.6%
D35QGD, exchange variation35731.1%55.6%
B63Sicilian, Richter-Rauzer, Rauzer attack43027.0%55.6%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)384730.1%55.6%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
B20Sicilian, Gloria variation922.2%55.6%
C41Philidor, Philidor counter-gambit, Zukertort variation1833.3%55.6%
E60King's Indian, 3.Nf3453129.0%55.6%
A12English, Caro-Kann defensive system27127.7%55.5%
A62Benoni, fianchetto variation119522.0%55.5%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)842924.9%55.5%
D81Gruenfeld, Russian variation36333.9%55.5%
D66QGD, Orthodox defence, Bd3 line36430.2%55.5%
C00St. George defence62026.1%55.5%
E11Bogo-Indian defence346532.4%55.5%
D01Richter-Veresov attack, Veresov variation5520.0%55.5%
C73Ruy Lopez, modern Steinitz defence, Alapin variation27625.4%55.4%
B73Sicilian, dragon, classical, 8.O-O21234.4%55.4%
E80King's Indian, Saemisch variation47125.5%55.4%
C50Giuoco Pianissimo, Italian four knights variation50028.4%55.4%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack250530.1%55.4%
E36Nimzo-Indian, classical, Noa variation, 5.a340032.8%55.4%
A40Queen's pawn, Keres defence334827.7%55.4%
C72Ruy Lopez, modern Steinitz defence, 5.O-O47629.6%55.4%
D52QGD, Cambridge Springs defence, Rubinstein variation22431.3%55.4%
E11Bogo-Indian defence, Monticelli trap2825.0%55.4%
A43Old Benoni defence242925.2%55.4%
D15QGD Slav, Schlechter variation29928.4%55.4%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)200930.8%55.4%
A58Benko gambit accepted81530.7%55.3%
E15Queen's Indian, 4.g3178041.0%55.3%
B09Pirc, Austrian attack, 6.Be373125.6%55.3%
E11Bogo-Indian defence, Gruenfeld variation357930.4%55.3%
C77Ruy Lopez, four knights (Tarrasch) variation29330.0%55.3%
C06French, Tarrasch, closed variation, main line266632.3%55.3%
C42Petrov, classical attack, Marshall variation240229.4%55.3%
D70Neo-Gruenfeld (Kemeri) defence12340.7%55.3%
A39English, symmetrical, main line with d4111738.0%55.3%
E62King's Indian, fianchetto, Larsen system30328.7%55.3%
B57Sicilian, Sozin, not Scheveningen54128.8%55.3%
C23Bishop's opening, Philidor variation1926.3%55.3%
C42Petrov, classical attack, Berger variation1936.8%55.3%
D29QGA, classical, Smyslov variation9528.4%55.3%
A10English, Anglo-Dutch defense126424.6%55.3%
B18Caro-Kann, classical variation193030.4%55.3%
D21QGA, 3.Nf3111325.7%55.3%
D20Queen's gambit accepted192330.3%55.3%
B33Sicilian, Pelikan, Chelyabinsk variation560926.9%55.3%
C00French defence361322.9%55.2%
A53Old Indian defence174729.3%55.2%
B32Sicilian, Labourdonnais-Loewenthal variation28825.7%55.2%
C66Ruy Lopez, closed Berlin defence, Wolf variation12541.6%55.2%
A58Benko gambit, fianchetto variation39529.4%55.2%
A19English, Mikenas-Carls, Sicilian variation24129.0%55.2%
B43Sicilian, Kan, 5.Nc3567729.0%55.2%
B02Alekhine's defence, Scandinavian variation33826.9%55.2%
B15Caro-Kann, Alekhine gambit2948.3%55.2%
C40Damiano's defence2927.6%55.2%
C42Petrov, classical attack, close variation20329.6%55.2%
C21Danish gambit5827.6%55.2%
D92Gruenfeld, 5.Bf4108432.7%55.2%
D11QGD Slav, 4.e3433629.9%55.2%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746525.6%55.2%
E71King's Indian, Makagonov system (5.h3)78525.2%55.2%
D27QGA, classical, Rubinstein variation377234.0%55.2%
E88King's Indian, Saemisch, orthodox, 7.d5 c650731.0%55.1%
A20English, Nimzovich variation28326.1%55.1%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation36328.7%55.1%
A01Nimzovich-Larsen attack, Indian variation58924.3%55.1%
C47Four knights, Scotch, Krause variation17733.3%55.1%
B23Sicilian, chameleon variation106428.2%55.1%
C78Ruy Lopez, 5.O-O244131.5%55.1%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6515533.1%55.1%
B49Sicilian, Taimanov variation207131.0%55.0%
D63QGD, Orthodox defence, 7.Rc132933.4%55.0%
C83Ruy Lopez, open, 9...Be7, 10.Re12030.0%55.0%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c654022.2%55.0%
C33KGA, bishop's gambit, Maurian defence2020.0%55.0%
B00KP, Nimzovich defence, Bogolyubov variation26016.9%55.0%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9027.8%55.0%
C45Scotch, Horwitz attack3036.7%55.0%
D97Gruenfeld, Russian, Prins variation112434.2%55.0%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d512132.2%55.0%
C50King's pawn game36422.5%54.9%
B40Sicilian, Pin variation (Sicilian counter-attack)9119.8%54.9%
C49Four knights, Nimzovich (Paulsen) variation7145.1%54.9%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6120029.3%54.9%
A40Queen's pawn, English defence52021.0%54.9%
D10QGD Slav defence, Alekhine variation36820.7%54.9%
E62King's Indian, fianchetto variation13327.1%54.9%
C12French, MacCutcheon, Chigorin variation4131.7%54.9%
D28QGA, classical, 7...b526734.1%54.9%
A14English, Symmetrical, Keres defence88536.3%54.9%
D41QGD, Semi-Tarrasch with e334035.6%54.9%
C11French, Steinitz, Boleslavsky variation632826.3%54.8%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3089929.3%54.8%
E67King's Indian, fianchetto, classical variation95331.4%54.8%
A41Robatsch defence, Rossolimo variation16627.7%54.8%
C02French, advance, Wade variation38427.3%54.8%
A21English, Troeger defence16728.1%54.8%
C00French, Reti (Spielmann) variation28226.6%54.8%
A08Reti, King's Indian attack110929.3%54.8%
B07Pirc defence255326.2%54.8%
B12Caro-Kann, Tartakower (fantasy) variation94426.9%54.8%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2123.8%54.8%
C53Giuoco Piano, Anderssen variation2152.4%54.8%
E72King's Indian with e4 & g34228.6%54.8%
D31QGD, 3.Nc387227.9%54.8%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation66230.7%54.8%
A22English, Carls' Bremen system78924.6%54.8%
B60Sicilian, Richter-Rauzer, Larsen variation32823.5%54.7%
D24QGA, 4.Nc330832.1%54.7%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
E19Queen's Indian, old main line, 9.Qxc3165632.9%54.7%
A17English, Nimzo-English opening246230.7%54.7%
B46Sicilian, Taimanov variation554828.8%54.7%
E43Nimzo-Indian, Fischer variation62229.3%54.7%
A80Dutch, Manhattan (Alapin, Ulvestad) variation11821.2%54.7%
A54Old Indian, Ukrainian variation, 4.Nf329025.9%54.7%
C70Ruy Lopez, Schliemann defence deferred4316.3%54.7%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation4334.9%54.7%
D23QGA, Mannheim variation47330.7%54.7%
C62Ruy Lopez, old Steinitz defence61527.6%54.6%
C50Hungarian defence11935.3%54.6%
C12French, MacCutcheon, Lasker variation, 8...g674724.6%54.6%
C77Ruy Lopez, Morphy defence40232.6%54.6%
D02Queen's pawn game, Chigorin variation156623.9%54.6%
E83King's Indian, Saemisch, Panno formation18520.5%54.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f461232.7%54.6%
A57Benko gambit112724.8%54.6%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation25226.6%54.6%
D26QGA, classical variation127234.0%54.6%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd381237.2%54.6%
B99Sicilian, Najdorf, 7...Be7 main line158121.9%54.6%
D94Gruenfeld, Flohr defence6624.2%54.5%
E10Blumenfeld counter-gambit, Spielmann variation8820.5%54.5%
B85Sicilian, Scheveningen, classical, Maroczy system6633.3%54.5%
C82Ruy Lopez, open, Dilworth variation7728.6%54.5%
B44Sicilian, Szen variation, Dely-Kasparov gambit2236.4%54.5%
C42Petrov, Nimzovich attack71733.5%54.5%
D10QGD Slav defence484529.7%54.5%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)631828.8%54.5%
E93King's Indian, Petrosian system, main line22123.1%54.5%
B14Caro-Kann, Panov-Botvinnik attack, 5...g644339.1%54.5%
D86Gruenfeld, exchange, classical variation127531.4%54.5%
D31QGD, semi-Slav, Marshall gambit249628.7%54.5%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc333543.9%54.5%
A31English, symmetrical, Benoni formation218128.2%54.5%
D32QGD, Tarrasch defence41531.3%54.5%
A02Bird, From gambit, Lasker variation3414.7%54.4%
D78Neo-Gruenfeld, 6.O-O c6153132.9%54.4%
B56Sicilian506726.1%54.4%
A17English, Queens Indian formation21626.4%54.4%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation104633.7%54.4%
E83King's Indian, Saemisch, 6...Nc68016.3%54.4%
A13English, Neo-Catalan accepted221433.5%54.4%
A13English, Romanishin gambit68931.2%54.4%
E20Nimzo-Indian, Kmoch variation101124.0%54.4%
D68QGD, Orthodox defence, classical variation13836.2%54.3%
A18English, Mikenas-Carls, Kevitz variation4617.4%54.3%
E90King's Indian, 5.Nf3115523.5%54.3%
B45Sicilian, Taimanov variation428927.6%54.3%
D12QGD Slav, 4.e3 Bf5765628.2%54.3%
D15QGD Slav, Suechting variation8220.7%54.3%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O104324.2%54.3%
E70King's Indian, 4.e479925.7%54.3%
C14French, classical, Rubinstein variation4719.1%54.3%
D06QGD, symmetrical (Austrian) defence9427.7%54.3%
E06Catalan, closed, 5.Nf3601634.5%54.2%
D52QGD, Cambridge Springs defence, Bogoljubow variation68529.3%54.2%
B47Sicilian, Taimanov (Bastrikov) variation1080730.7%54.2%
A50Queen's Indian accelerated28431.7%54.2%
B85Sicilian, Scheveningen, classical main line69940.1%54.2%
E59Nimzo-Indian, 4.e3, main line204030.5%54.2%
B54Sicilian95825.5%54.2%
B42Sicilian, Kan, Polugaievsky variation280326.5%54.2%
A49King's Indian, fianchetto without c4202628.0%54.2%
E00Catalan opening620330.4%54.2%
E37Nimzo-Indian, classical, San Remo variation1241.7%54.2%
D34QGD, Tarrasch, Reti variation6038.3%54.2%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2433.3%54.2%
C12French, MacCutcheon, advance variation1241.7%54.2%
D09QGD, Albin counter-gambit, 5.g38528.2%54.1%
B09Pirc, Austrian attack, dragon formation113431.5%54.1%
C78Ruy Lopez, Archangelsk (counterthrust) variation326829.6%54.1%
D31QGD, semi-Slav125830.3%54.1%
C42Petrov three knights game50127.5%54.1%
E90King's Indian, Larsen variation11030.0%54.1%
A45Blackmar-Diemer gambit15926.4%54.1%
C11French, Steinitz, Gledhill attack4942.9%54.1%
E10Queen's pawn game623731.4%54.1%
D11QGD Slav, 3.Nf3462528.2%54.1%
C10French, Fort Knox variation45633.6%54.1%
A46Queen's pawn game591727.1%54.1%
A80Dutch744726.4%54.1%
A95Dutch, stonewall with Nc344726.2%54.0%
E10Blumenfeld counter-gambit accepted19922.6%54.0%
A15English opening1238432.9%54.0%
C36KGA, Abbazia defence (classical defence, modern defence[!])2520.0%54.0%
B48Sicilian, Taimanov variation684327.9%54.0%
A21English opening324027.2%54.0%
C65Ruy Lopez, Berlin defence, Nyholm attack8835.2%54.0%
A71Benoni, classical, 8.Bg512627.0%54.0%
B41Sicilian, Kan, Maroczy bind (Reti variation)73128.6%54.0%
C48Four knights, Rubinstein counter-gambit146326.0%53.9%
B22Sicilian, Alapin's variation (2.c3)1619231.6%53.9%
C06French, Tarrasch, Leningrad variation5117.6%53.9%
A16English opening116126.9%53.9%
D17QGD Slav, Czech defence86835.0%53.9%
E10Blumenfeld counter-gambit11526.1%53.9%
B41Sicilian, Kan variation26929.0%53.9%
C54Giuoco Piano14125.5%53.9%
D55QGD, Neo-orthodox variation, 7.Bh450331.4%53.9%
B12Caro-Kann, advance variation2034324.8%53.9%
B17Caro-Kann, Steinitz variation525328.9%53.9%
B10Caro-Kann defence518925.1%53.9%
C69Ruy Lopez, exchange, Gligoric variation57133.8%53.9%
A58Benko gambit, Nd2 variation1330.8%53.8%
D98Gruenfeld, Russian, Smyslov variation58527.4%53.8%
B00Carr's defence6524.6%53.8%
C26Vienna game32525.2%53.8%
C42Petrov, Damiano variation3930.8%53.8%
A34English, symmetrical, Rubinstein system35232.7%53.8%
E81King's Indian, Saemisch, 5...O-O220524.9%53.8%
E00Queen's pawn game144927.3%53.8%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc202535.6%53.8%
B35Sicilian, accelerated fianchetto, modern variation with Bc4436734.1%53.8%
C16French, Winawer, Petrosian variation34022.9%53.8%
D27QGA, classical, 6...a6472435.7%53.8%
D82Gruenfeld, 4.Bf453731.3%53.8%
C42Petrov's defence93124.7%53.8%
E40Nimzo-Indian, 4.e321026.7%53.8%
B20Sicilian, Steinitz variation116925.5%53.8%
E61King's Indian defence, 3.Nc3126227.7%53.8%
A28English, four knights, Marini variation136931.2%53.8%
E99King's Indian, orthodox, Aronin-Taimanov, main line13222.7%53.8%
A61Benoni, fianchetto variation6625.8%53.8%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
B00St. George (Baker) defence18721.9%53.7%
B62Sicilian, Richter-Rauzer, Keres variation53530.5%53.7%
A00Durkin's attack6717.9%53.7%
C02French, advance variation201524.9%53.7%
D05Queen's pawn game181528.4%53.7%
C11French, Steinitz variation175327.0%53.7%
B59Sicilian, Boleslavsky variation, 7.Nb314938.9%53.7%
E08Catalan, closed, 7.Qc223132.0%53.7%
D90Gruenfeld, Three knights variation68034.4%53.7%
D96Gruenfeld, Russian variation50530.5%53.7%
B57Sicilian, Magnus Smith trap4129.3%53.7%
C22Centre game, Berger variation36925.5%53.7%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)346632.3%53.6%
C44Ponziani, Steinitz variation9638.5%53.6%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation158029.2%53.6%
A30English, symmetrical variation827028.9%53.6%
A47Queen's Indian defence92428.0%53.6%
C02French, advance, Paulsen attack205624.5%53.6%
A40Queen's pawn542425.7%53.6%
D38QGD, Ragozin variation708732.4%53.6%
B80Sicilian, Scheveningen variation140124.0%53.6%
C02French, advance, Milner-Barry gambit12525.6%53.6%
A07Reti, King's Indian attack, Yugoslav variation467931.3%53.6%
C43Petrov, modern attack, Symmetrical variation407131.2%53.6%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
C45Scotch, Meitner variation4235.7%53.6%
C41Philidor, Steinitz variation1421.4%53.6%
D54QGD, Anti-neo-orthodox variation2821.4%53.6%
C21Danish gambit, Soerensen defence2821.4%53.6%
D21QGA, Ericson variation2842.9%53.6%
B32Sicilian, Nimzovich variation2814.3%53.6%
B01Scandinavian defence, Gruenfeld variation1435.7%53.6%
D51QGD, Alekhine variation1421.4%53.6%
D61QGD, Orthodox defence, Rubinstein variation50730.2%53.6%
B13Caro-Kann, Panov-Botvinnik attack179032.3%53.5%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation294034.7%53.5%
A06Reti opening308726.1%53.5%
D80Gruenfeld defence79641.5%53.5%
C42Petrov, classical attack, Chigorin variation96834.3%53.5%
A48King's Indian, East Indian defence159528.5%53.5%
D60QGD, Orthodox defence, Botvinnik variation23036.5%53.5%
E17Queen's Indian, anti-Queen's Indian system27433.2%53.5%
B18Caro-Kann, classical, 6.h4203730.5%53.5%
C15French, Winawer (Nimzovich) variation126030.7%53.5%
B27Sicilian, Katalimov variation16025.6%53.4%
C01French, exchange variation202830.7%53.4%
D30Queen's gambit declined605530.3%53.4%
D70Neo-Gruenfeld defence35123.6%53.4%
D43QGD semi-Slav1807929.1%53.4%
B00King's pawn opening273925.1%53.4%
D13QGD Slav, exchange variation131131.7%53.4%
D85Gruenfeld, modern exchange variation725636.9%53.4%
E60King's Indian defence149123.7%53.4%
A94Dutch, stonewall with Ba317836.0%53.4%
B90Sicilian, Najdorf, Adams attack238922.9%53.4%
D46QGD semi-Slav, Chigorin defence84732.8%53.4%
D31QGD, Charousek (Petrosian) variation168127.7%53.4%
A75Benoni, classical with ...a6 and 10...Bg414928.9%53.4%
B03Alekhine's defence76023.8%53.4%
E12Queen's Indian, Petrosian system1120031.8%53.3%
C20KP, Napoleon's opening1540.0%53.3%
E28Nimzo-Indian, Saemisch variation9028.9%53.3%
D37QGD, classical variation (5.Bf4)745033.1%53.3%
D30QGD Slav87430.9%53.3%
A50Kevitz-Trajkovich defence107327.6%53.3%
A28English, four knights, Capablanca variation48428.9%53.3%
E70King's Indian, Kramer system22722.0%53.3%
A09Reti opening98627.3%53.3%
A13English, Neo-Catalan157829.7%53.3%
C66Ruy Lopez, Berlin defence, hedgehog variation15238.2%53.3%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
B15Caro-Kann, Tartakower (Nimzovich) variation99331.4%53.3%
C10French, Rubinstein variation701232.4%53.3%
C44Scotch, Lolli variation7718.2%53.2%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)151830.8%53.2%
E04Catalan, open, 5.Nf31030232.5%53.2%
C32KGD, Falkbeer, 5.de3129.0%53.2%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49329.0%53.2%
C46Three knights, Steinitz variation15518.7%53.2%
A10English opening452925.0%53.2%
E92King's Indian, Andersson variation37337.8%53.2%
C08French, Tarrasch, open, 4.ed ed295236.9%53.2%
D37QGD, 4.Nf3625431.9%53.2%
A25English, closed system133828.2%53.2%
C45Scotch game343231.4%53.2%
A27English, three knights system45826.9%53.2%
E12Queen's Indian, Miles variation136630.9%53.1%
C88Ruy Lopez, Trajkovic counter-attack28627.3%53.1%
C23Bishop's opening38223.6%53.1%
A80Dutch, 2.Bg5 variation226623.0%53.1%
E60King's Indian, Danube gambit1631.3%53.1%
A82Dutch, Staunton gambit, Tartakower variation1618.8%53.1%
C44Ponziani, Reti variation166.3%53.1%
B36Sicilian, accelerated fianchetto, Gurgenidze variation35337.7%53.1%
D35QGD, exchange, positional line223328.1%53.1%
A22English, Bremen, reverse dragon159334.1%53.1%
A09Reti accepted124127.6%53.1%
A73Benoni, classical, 9.O-O25824.8%53.1%
E32Nimzo-Indian, classical variation860832.3%53.1%
B94Sicilian, Najdorf, 6.Bg5147324.7%53.1%
C70Ruy Lopez, Caro variation8129.6%53.1%
D73Neo-Gruenfeld, 5.Nf3120240.4%53.1%
A05Reti, King's Indian attack, Spassky's variation78429.8%53.1%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)324133.1%53.1%
B84Sicilian, Scheveningen, classical, Nd7 system8223.2%53.0%
D12QGD Slav, exchange variation41224.5%53.0%
A07Reti, King's Indian attack317233.9%53.0%
A32English, symmetrical variation76429.1%53.0%
A13English opening462425.3%53.0%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation110023.8%53.0%
D26QGA, 4...e683532.2%53.0%
D35QGD, exchange, Saemisch variation28528.1%53.0%
D47QGD semi-Slav, Meran variation307131.4%53.0%
D94Gruenfeld, Smyslov defence25236.1%53.0%
A37English, symmetrical variation90928.5%53.0%
E92King's Indian, Petrosian system, Stein variation119627.2%53.0%
D47QGD semi-Slav, Meran, Wade variation2070729.2%53.0%
B23Sicilian, closed, 2...Nc6318627.6%53.0%
D02Queen's pawn game1361927.4%53.0%
B20Sicilian, Keres variation (2.Ne2)111525.6%53.0%
B44Sicilian defence42329.8%53.0%
A78Benoni, classical with ...Re8 and ...Na68535.3%52.9%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3441.2%52.9%
A35English, symmetrical, four knights system379630.1%52.9%
E15Queen's Indian, 4.g3 Bb724030.8%52.9%
C07French, Tarrasch, open variation613632.5%52.9%
A07Reti, King's Indian attack (Barcza system)963029.3%52.9%
B23Sicilian, closed545926.6%52.9%
C96Ruy Lopez, closed (8...Na5)5225.0%52.9%
A51Budapest defence declined5221.2%52.9%
E01Catalan, closed48729.8%52.9%
B83Sicilian, modern Scheveningen, main line69635.9%52.9%
C53Giuoco Piano400227.9%52.9%
D04Queen's pawn game205930.1%52.9%
A00Mieses opening49118.1%52.9%
B85Sicilian, Scheveningen, classical24639.0%52.8%
B11Caro-Kann, Two knights, 3...Bg4143324.8%52.8%
D55QGD, Petrosian variation46138.4%52.8%
A91Dutch defence19632.1%52.8%
B33Sicilian, Sveshnikov variation305026.3%52.8%
D93Gruenfeld with Bf4 e366138.1%52.8%
C12French, MacCutcheon, Bernstein variation185.6%52.8%
A04Reti opening1442127.5%52.8%
C44Ponziani opening16325.8%52.8%
D15QGD Slav accepted27229.8%52.8%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)9113.2%52.7%
C65Ruy Lopez, Berlin defence, Beverwijk variation53230.3%52.7%
D77Neo-Gruenfeld, 6.O-O162233.9%52.7%
B95Sicilian, Najdorf, 6...e6123527.2%52.7%
E34Nimzo-Indian, classical, Noa variation78332.8%52.7%
E90King's Indian, Zinnowitz variation9430.9%52.7%
B06Robatsch defence, three pawns attack9416.0%52.7%
A05Reti opening912628.5%52.6%
A14English, Neo-Catalan declined106335.8%52.6%
D97Gruenfeld, Russian variation with e45731.6%52.6%
B23Sicilian, Grand Prix attack55125.8%52.6%
C41Philidor, Boden variation1910.5%52.6%
C70Ruy Lopez7628.9%52.6%
D15QGD Slav, 4.Nc3384928.5%52.6%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation55427.3%52.6%
A17English opening36330.9%52.6%
E07Catalan, closed, 6...Nbd717229.7%52.6%
E12Queen's Indian, 4.Nc3667129.0%52.6%
E25Nimzo-Indian, Saemisch variation11535.7%52.6%
A21English, Kramnik-Shirov counterattack351628.3%52.6%
B92Sicilian, Najdorf, Opovcensky variation1070229.6%52.6%
D85Gruenfeld, exchange variation270135.7%52.6%
B07Pirc, Sveshnikov system94627.2%52.6%
B33Sicilian defence93029.2%52.6%
A33English, symmetrical, Geller variation267830.1%52.6%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7697825.1%52.6%
B53Sicilian, Chekhover, Zaitsev variation3917.9%52.6%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1239732.5%52.6%
B40Sicilian defence826228.5%52.6%
B50Sicilian495827.6%52.6%
C44Scotch gambit, Benima defence5927.1%52.5%
A38English, symmetrical variation71329.0%52.5%
A15English, 1...Nf6 (Anglo-Indian defense)159326.3%52.5%
B98Sicilian, Najdorf, 7...Be725924.7%52.5%
A06Reti, old Indian attack31923.5%52.5%
E52Nimzo-Indian, 4.e3, main line with ...b669832.5%52.5%
C66Ruy Lopez, Berlin defence, 4.O-O, d610041.0%52.5%
D51QGD, Manhattan variation2025.0%52.5%
B74Sicilian, dragon, classical, Reti-Tartakower variation20034.0%52.5%
C10French, Rubinstein, Capablanca line2035.0%52.5%
A60Benoni defence20124.4%52.5%
C28Vienna game34329.7%52.5%
C44Ponziani counter-gambit18221.4%52.5%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg732434.6%52.5%
C67Ruy Lopez, Berlin defence, open variation723234.3%52.5%
C49Four knights, symmetrical, Metger unpin49035.1%52.4%
A64Benoni, fianchetto, 11...Re818426.6%52.4%
A33English, symmetrical variation372635.1%52.4%
C10French, Frere (Becker) variation4126.8%52.4%
D89Gruenfeld, Spassky variation, main line, 13.Bd310333.0%52.4%
C24Bishop's opening, Berlin defence132327.1%52.4%
D05Colle system79030.4%52.4%
A07Reti, King's Indian attack, Pachman system25023.2%52.4%
E77King's Indian, Four pawns attack23031.7%52.4%
D30QGD, Capablanca-Duras variation81628.3%52.4%
C69Ruy Lopez, exchange variation, 5.O-O58628.0%52.4%
C25Vienna gambit6325.4%52.4%
D53QGD, 4.Bg5 Be7, 5.e3 O-O2138.1%52.4%
D17QGD Slav, Carlsbad variation67932.5%52.4%
C46Three knights game25523.9%52.4%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence44734.5%52.3%
A34English, symmetrical, three knights system230334.8%52.3%
C30KGD, 2...Nf66426.6%52.3%
D63QGD, Orthodox defence, Swiss, Karlsbad variation29929.1%52.3%
D45QGD semi-Slav, Stoltz variation3660230.5%52.3%
A28English, four knights system62125.1%52.3%
B30Sicilian defence401828.3%52.3%
B32Sicilian defence97727.8%52.3%
D30QGD228532.2%52.3%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd32740.4%52.3%
C90Ruy Lopez, closed, Pilnik variation304326.1%52.3%
D11QGD Slav, Breyer variation24327.2%52.3%
A07Reti, King's Indian attack, Keres variation73030.5%52.3%
B96Sicilian, Najdorf, Polugayevsky variation13324.8%52.3%
C33KGA, bishop's gambit11112.6%52.3%
E46Nimzo-Indian, Reshevsky variation140228.0%52.2%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
D40QGD, Semi-Tarrasch defence, Pillsbury variation4537.8%52.2%
B07Pirc, bayonet (Mariotti) attack4515.6%52.2%
D31QGD, semi-Slav, Noteboom variation67728.2%52.2%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)34232.5%52.2%
B58Sicilian, classical73235.2%52.2%
A20English opening1076728.4%52.2%
A00Van't Kruijs opening126426.2%52.2%
E46Nimzo-Indian, 4.e3 O-O18435.9%52.2%
C29Vienna gambit, Paulsen attack2326.1%52.2%
D83Gruenfeld, Gruenfeld gambit4626.1%52.2%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7200827.5%52.2%
B34Sicilian, accelerated fianchetto, modern variation104232.1%52.2%
C34KGA, Schallop defence9318.3%52.2%
E14Queen's Indian, 4.e3268129.7%52.1%
C50Giuoco Pianissimo186329.6%52.1%
A13English opening, Agincourt variation276827.5%52.1%
B19Caro-Kann, classical, 7...Nd790324.7%52.1%
E84King's Indian, Saemisch, Panno main line83621.9%52.1%
C13French, classical2412.5%52.1%
D48QGD semi-Slav, Meran, Pirc variation2437.5%52.1%
A43Old Benoni, Schmid's system2429.2%52.1%
C20King's pawn game28920.4%52.1%
A00Polish, Tuebingen variation7321.9%52.1%
C02French, advance, Euwe variation275225.7%52.0%
A00Dunst (Sleipner, Heinrichsen) opening185623.3%52.0%
C64Ruy Lopez, classical defence, 4.c342127.1%52.0%
C12French, MacCutcheon, Lasker variation44719.5%52.0%
B10Caro-Kann, anti-anti-Caro-Kann defence214734.1%52.0%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d525031.2%52.0%
A80Dutch, Korchnoi attack10032.0%52.0%
C00French, Steinitz attack5036.0%52.0%
D19QGD Slav, Dutch variation, main line47634.7%52.0%
E40Nimzo-Indian, 4.e3, Taimanov variation10122.8%52.0%
B54Sicilian, Prins (Moscow) variation45531.0%52.0%
C48Four knights, Spanish, classical defence15227.6%52.0%
E73King's Indian, Averbakh system81227.6%52.0%
A12English, Torre defensive system35734.5%52.0%
C25Vienna game74025.5%52.0%
C11French, Burn variation899330.7%52.0%
D30QGD, Vienna variation97840.3%51.9%
C78Ruy Lopez, Moeller defence77730.0%51.9%
D35QGD, Harrwitz attack7829.5%51.9%
A01Nimzovich-Larsen attack, Polish variation2634.6%51.9%
C90Ruy Lopez, closed, Lutikov variation2650.0%51.9%
C52Evans gambit, compromised defence2611.5%51.9%
D00Queen's pawn, Mason variation184124.0%51.9%
C82Ruy Lopez, open, Motzko attack8036.3%51.9%
D00Queen's pawn, Chigorin variation146921.5%51.9%
C84Ruy Lopez, closed defence115131.8%51.9%
B75Sicilian, dragon, Yugoslav attack37628.7%51.9%
B07Pirc, 150 attack53830.5%51.9%
E15Queen's Indian, Buerger variation2722.2%51.9%
C70Ruy Lopez, Classical defence deferred52026.3%51.8%
E76King's Indian, Four pawns attack, dynamic line13732.1%51.8%
D79Neo-Gruenfeld, 6.O-O, main line77336.9%51.8%
C91Ruy Lopez, closed, Bogolyubov variation607831.9%51.8%
C88Ruy Lopez, closed, 7...O-O690430.1%51.8%
A74Benoni, classical, 9...a6, 10.a42832.1%51.8%
B00Reversed Grob (Borg/Basman defence/macho Grob)16917.2%51.8%
A25English, closed, 5.Rb165028.8%51.8%
C88Ruy Lopez, closed, anti-Marshall 8.a4155828.3%51.8%
D40QGD, Semi-Tarrasch defence99333.4%51.8%
A28English, four knights, Nimzovich variation114329.1%51.7%
C12French, MacCutcheon variation28629.4%51.7%
C80Ruy Lopez, open, 7.Bb348930.7%51.7%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation17331.8%51.7%
C49Four knights, symmetrical, Maroczy system8739.1%51.7%
B80Sicilian, Scheveningen, fianchetto variation52428.2%51.7%
D49QGD semi-Slav, Meran, Stahlberg variation8833.0%51.7%
A45Trompovsky attack (Ruth, Opovcensky opening)683924.6%51.7%
D02Queen's pawn game, Krause variation82333.4%51.7%
D67QGD, Orthodox defence, Bd3 line5942.4%51.7%
B84Sicilian, Scheveningen (Paulsen), classical variation888228.8%51.7%
C60Ruy Lopez, Cozio defence, Paulsen variation3036.7%51.7%
C41Philidor, Philidor counter-gambit3016.7%51.7%
A48King's Indian, London system105128.4%51.7%
C60Ruy Lopez (Spanish opening)15122.5%51.7%
D56QGD, Lasker defence51829.9%51.6%
A16English, Anglo-Gruenfeld defense30630.1%51.6%
E21Nimzo-Indian, three knights variation316428.9%51.6%
C74Ruy Lopez, Siesta, Kopayev variation12328.5%51.6%
A25English, Sicilian reversed105126.0%51.6%
C42Petrov, Cozio (Lasker) attack27932.3%51.6%
C69Ruy Lopez, exchange, Bronstein variation49931.1%51.6%
E53Nimzo-Indian, 4.e3, main line with ...c5147336.9%51.6%
C65Ruy Lopez, Berlin defence409629.3%51.6%
D55QGD, Neo-orthodox variation, 7.Bxf628736.2%51.6%
C52Evans gambit, Tartakower attack9621.9%51.6%
B62Sicilian, Richter-Rauzer, Podvebrady variation3228.1%51.6%
A46Queen's pawn, Torre attack128726.3%51.6%
C53Giuoco Piano, Bird's attack12925.6%51.6%
C70Ruy Lopez, Cozio defence deferred12931.8%51.6%
C33KGA, bishop's gambit, Jaenisch variation9724.7%51.5%
D20QGA, Linares variation6529.2%51.5%
B90Sicilian, Najdorf, Byrne (English) attack4749624.7%51.5%
A29English, four knights, kingside fianchetto1591930.6%51.5%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d564930.8%51.5%
A28English, four knights, 4.e3133927.8%51.5%
C68Ruy Lopez, exchange, Keres variation24337.0%51.4%
A01Nimzovich-Larsen attack91426.3%51.4%
D10QGD Slav defence, exchange variation230731.0%51.4%
D72Neo-Gruenfeld, 5.cd, main line32131.8%51.4%
B44Sicilian, Szen (`anti-Taimanov') variation96531.3%51.4%
C69Ruy Lopez, exchange variation, Alapin gambit14331.5%51.4%
D00Queen's pawn game193824.9%51.4%
E08Catalan, closed, Qc2 & b339728.2%51.4%
C67Ruy Lopez, Berlin defence, Cordel variation3743.2%51.4%
D45QGD semi-Slav, 5...Nd7126226.6%51.3%
A10English, Adorjan defence52536.0%51.3%
A45Queen's pawn game502826.1%51.3%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation390231.5%51.3%
C53Giuoco Piano, close variation3823.7%51.3%
C50Giuoco Pianissimo, Canal variation23230.2%51.3%
D49QGD semi-Slav, Meran, Blumenfeld variation52029.8%51.3%
C48Four knights, Spanish variation32127.1%51.2%
E22Nimzo-Indian, Spielmann variation12431.5%51.2%
E12Queen's Indian defence49628.6%51.2%
C64Ruy Lopez, classical (Cordel) defence66631.8%51.2%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61469224.9%51.2%
A46Queen's pawn, Yusupov-Rubinstein system124230.0%51.2%
E61King's Indian, Smyslov system13023.8%51.2%
E81King's Indian, Saemisch, Byrne variation8731.0%51.1%
C50Giuoco Piano, four knights variation13226.5%51.1%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation137326.9%51.1%
E30Nimzo-Indian, Leningrad variation44830.4%51.1%
D14QGD Slav, exchange variation, 6.Bf4 Bf571831.2%51.1%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd554637.4%51.1%
C71Ruy Lopez, modern Steinitz defence13729.2%51.1%
A12English, Caro-Kann defensive system, Bogolyubov variation13822.5%51.1%
C89Ruy Lopez, Marshall counter-attack263333.9%51.1%
C26Vienna, Falkbeer variation14117.0%51.1%
B83Sicilian, Scheveningen, 6.Be281031.2%51.0%
C45Scotch, Mieses variation202733.1%51.0%
A01Nimzovich-Larsen attack, English variation39127.4%51.0%
B90Sicilian, Najdorf1145524.8%51.0%
C77Ruy Lopez, Wormald (Alapin) attack63932.6%51.0%
B89Sicilian, Velimirovic attack168224.5%51.0%
C86Ruy Lopez, Worrall attack, solid line24830.2%51.0%
A38English, symmetrical, main line with d315435.7%51.0%
C42Petrov, Italian variation15519.4%51.0%
A37English, symmetrical, Botvinnik system reversed67626.8%51.0%
B57Sicilian, Sozin, Benko variation509029.4%50.9%
E12Queen's Indian, 4.Nc3, Botvinnik variation10829.6%50.9%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
A61Benoni, Uhlmann variation10928.4%50.9%
D94Gruenfeld, Makogonov variation22031.8%50.9%
C23Bishop's opening, Classical variation11216.1%50.9%
D02Queen's bishop game336027.8%50.9%
C64Ruy Lopez, classical defence, Benelux variation 56133.3%50.9%
A26English, closed system33823.1%50.9%
A06Reti, Nimzovich-Larsen attack392931.2%50.9%
E15Queen's Indian, Rubinstein variation11422.8%50.9%
D36QGD, exchange, positional line, 6.Qc234333.5%50.9%
A41Old Indian defence281625.6%50.9%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation57727.9%50.9%
C00French, Schlechter variation46431.5%50.9%
C00French, Chigorin variation306524.5%50.8%
A13English, Kurajica defence11825.4%50.8%
C47Four knights, Scotch, 4...exd477436.0%50.8%
C00French, King's Indian attack727328.5%50.8%
D39QGD, Ragozin, Vienna variation143636.0%50.8%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19031.1%50.8%
B80Sicilian, Scheveningen, English variation57525.0%50.8%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)26441.7%50.8%
A00Benko's opening1091530.6%50.7%
A00Polish (Sokolsky) opening144528.1%50.7%
E60Queen's pawn, Mengarini attack14024.3%50.7%
A05Reti, King's Indian attack, Reti-Smyslov variation14427.8%50.7%
A34English, symmetrical variation181326.1%50.7%
A08Reti, King's Indian attack, French variation111130.8%50.7%
A00Saragossa opening90418.8%50.7%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7144534.3%50.7%
E25Nimzo-Indian, Saemisch, Keres variation38330.8%50.7%
A28English, four knights, Romanishin variation115734.1%50.6%
C45Scotch, Schmidt variation97339.8%50.6%
C26Vienna, Paulsen-Mieses variation89430.3%50.6%
D97Gruenfeld, Russian, Byrne (Simagin) variation32626.4%50.6%
D03Torre attack (Tartakower variation)91623.3%50.6%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
C00French, Pelikan variation8427.4%50.6%
E24Nimzo-Indian, Saemisch variation18131.5%50.6%
D90Gruenfeld, Flohr variation27934.4%50.5%
D30QGD, Hastings variation74635.4%50.5%
C39KGA, Kieseritsky, Kolisch defence10433.7%50.5%
B13Caro-Kann, exchange variation104927.4%50.5%
D46QGD semi-Slav, 6.Bd310528.6%50.5%
B72Sicilian, dragon, 6.Be322726.9%50.4%
C73Ruy Lopez, modern Steinitz defence, Richter variation22830.7%50.4%
C00French, Two knights variation80023.6%50.4%
A22English opening103325.4%50.4%
E29Nimzo-Indian, Saemisch, Capablanca variation12940.3%50.4%
C49Four knights13135.1%50.4%
E25Nimzo-Indian, Saemisch, Romanovsky variation14042.1%50.4%
B76Sicilian, dragon, Yugoslav attack, 7...O-O58029.7%50.3%
B10Caro-Kann, closed (Breyer) variation165924.5%50.3%
B21Sicilian, Smith-Morra gambit95628.1%50.3%
D94Gruenfeld, Opovcensky variation20238.1%50.2%
C84Ruy Lopez, closed, centre attack21831.7%50.2%
C20KP, Indian opening23426.9%50.2%
C25Vienna, Paulsen variation56122.3%50.2%
A01Nimzovich-Larsen attack, modern variation274831.1%50.0%
D14QGD Slav, exchange, Trifunovic variation19339.9%50.0%
A83Dutch, Staunton gambit, Lasker variation1127.3%50.0%
C22Centre game, Paulsen attack9230.4%50.0%
B12Caro-Masi defence1414.3%50.0%
C30KGD, Norwalde variation1428.6%50.0%
C89Ruy Lopez, Marshall, main line, Spassky variation1100.0%50.0%
C23Bishop's opening, Lewis counter-gambit633.3%50.0%
E70King's Indian, accelerated Averbakh system12526.4%50.0%
C54Giuoco Piano, Greco variation1100.0%50.0%
A51Budapest, Fajarowicz, Steiner variation1100.0%50.0%
A36English, symmetrical, Botvinnik system reversed14126.2%50.0%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
A45Canard opening2718.5%50.0%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack1100.0%50.0%
A66Benoni, Mikenas variation450.0%50.0%
C46Four knights game88428.5%50.0%
D12QGD Slav, Landau variation1100.0%50.0%
C31KGD, Falkbeer, Rubinstein variation450.0%50.0%
C56Two knights defence7634.2%50.0%
B03Alekhine's defence, four pawns attack, 6...Nc64922.4%50.0%
C30KGD, classical, Svenonius variation520.0%50.0%
A00Amsterdam attack933.3%50.0%
C52Evans gambit, Lasker defence1040.0%50.0%
D57QGD, Lasker defence, Bernstein variation2937.9%50.0%
B07Pirc, Holmov system4233.3%50.0%
C27Boden-Kieseritsky gambit5813.8%50.0%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
C32KGD, Falkbeer, Keres variation1100.0%50.0%
C88Ruy Lopez, closed, 8.c34427.3%50.0%
C38King's knight's gambit911.1%50.0%
B12de Bruycker defence2330.4%50.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
B10Caro-Kann, Goldman (Spielmann) variation9520.0%50.0%
C45Scotch, Blackburne attack1957.9%50.0%
A86Dutch, Hort-Antoshin system20.0%50.0%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C44Ponziani, Leonhardt variation5440.7%50.0%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
C59Two knights defence, Goering variation20.0%50.0%
D31QGD, semi-Slav, Koomen variation450.0%50.0%
C55Giuoco piano1100.0%50.0%
C55Two knights, Max Lange attack, Marshall variation450.0%50.0%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
A80Dutch, Von Pretzel gambit1100.0%50.0%
A02Bird's opening267929.2%50.0%
D15QGD Slav, 5.e3 (Alekhine variation)27626.1%50.0%
D95Gruenfeld with e3 & Qb36939.1%50.0%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
C59Two knights defence, Knorre variation1100.0%50.0%
C41Philidor, Hanham, Kmoch variation20.0%50.0%
C37KGA, Salvio gambit, Anderssen counter-attack20.0%50.0%
A25English, closed, Hort variation4131.7%50.0%
D53QGD, Lasker variation520.0%50.0%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
C30KGD, Keene's defence3718.9%50.0%
C44Scotch gambit, Dubois-Reti defence60831.3%50.0%
C42Petrov, classical attack, Krause variation1100.0%50.0%
B02Alekhine's defence, Kmoch variation60.0%50.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
C55Two knights defence, Perreux variation3129.0%50.0%
C44Inverted Hanham4524.4%50.0%
C64Ruy Lopez, classical defence, Boden variation1100.0%50.0%
B25Sicilian, closed24829.0%50.0%
C22Centre game, Charousek variation714.3%50.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
D00Queen's pawn, Mason variation, Steinitz counter-gambit55630.2%50.0%
C35KGA, Cunningham, Bertin gambit20.0%50.0%
C35KGA, Cunningham, Euwe defence6127.9%50.0%
A57Benko gambit, Zaitsev system6823.5%50.0%
B01Scandinavian, Icelandic gambit7530.7%50.0%
D00Blackmar-Diemer gambit3116.1%50.0%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
C51Evans gambit declined, Showalter variation1020.0%50.0%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
C48Four knights, Spielmann variation633.3%50.0%
C30KGD, classical, Marshall attack1020.0%50.0%
B05Alekhine's defence, modern, Alekhine variation560.0%50.0%
D32QGD, Tarrasch defence, Marshall gambit1936.8%50.0%
C61Ruy Lopez, Bird's defence, Paulsen variation1533.3%50.0%
A52Budapest, Alekhine variation5922.0%50.0%
C37KGA, Lolli gambit (wild Muzio gambit)1100.0%50.0%
C41Philidor, Nimzovich, Sokolsky variation520.0%50.0%
A00Amar gambit1216.7%50.0%
C37KGA, Salvio gambit1020.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation1100.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system1323.1%50.0%
A48King's Indian, Torre attack180529.5%50.0%
A01Nimzovich-Larsen attack, symmetrical variation61130.1%49.9%
C50Giuoco Piano103228.3%49.9%
E41Nimzo-Indian, 4.e3 c578732.9%49.9%
B83Sicilian, modern Scheveningen82029.6%49.8%
C49Four knights, symmetrical variation48031.7%49.8%
B74Sicilian, dragon, classical, 9.Nb322533.8%49.8%
C02French, advance, Steinitz variation66428.5%49.8%
D00Levitsky attack (Queen's bishop attack)255024.5%49.8%
B70Sicilian, dragon variation75629.6%49.7%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed94332.4%49.7%
D80Gruenfeld, Stockholm variation56333.7%49.7%
E00Neo-Indian (Seirawan) attack55923.6%49.7%
D23Queen's gambit accepted18129.8%49.7%
C44Scotch, Goering gambit17430.5%49.7%
B83Sicilian, modern Scheveningen, main line with Nb316023.1%49.7%
C00French defence, Steiner variation109027.6%49.7%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system72529.5%49.7%
D91Gruenfeld, 5.Bg5203431.7%49.6%
A00Polish, Outflank variation26625.6%49.6%
B88Sicilian, Sozin, Leonhardt variation63632.5%49.6%
C80Ruy Lopez, open (Tarrasch) defence12339.0%49.6%
B25Sicilian, closed, 6.f481628.6%49.6%
B53Sicilian, Chekhover variation85935.7%49.5%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation10636.8%49.5%
C77Ruy Lopez, Anderssen variation132929.5%49.5%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation51032.4%49.5%
D49QGD semi-Slav, Meran, Sozin variation40239.8%49.5%
D00Queen's pawn, stonewall attack10025.0%49.5%
C89Ruy Lopez, Marshall counter-attack, 11...c685835.8%49.5%
C86Ruy Lopez, Worrall attack, sharp line27432.5%49.5%
B21Sicilian, Grand Prix attack201625.0%49.4%
B93Sicilian, Najdorf, 6.f4247229.4%49.4%
B24Sicilian, closed57527.5%49.4%
A00Clemenz (Mead's, Basman's or de Klerk's) opening442123.4%49.4%
A00Grob's attack23222.0%49.4%
B15Caro-Kann defence57224.1%49.3%
B71Sicilian, dragon, Levenfish variation7133.8%49.3%
A12English, London defensive system35232.1%49.3%
A47Queen's Indian, Marienbad system13530.4%49.3%
C17French, Winawer, advance, Russian variation6524.6%49.2%
C90Ruy Lopez, closed (with ...d6)238527.6%49.2%
A54Old Indian, Ukrainian variation18230.2%49.2%
B96Sicilian, Najdorf, 7.f4179822.9%49.2%
D40QGD, Semi-Tarrasch, symmetrical variation5933.9%49.2%
E41Nimzo-Indian, e3, Huebner variation92425.8%49.1%
A36English, ultra-symmetrical variation190328.7%49.1%
C00French, Labourdonnais variation63125.8%49.0%
C34KGA, Fischer defence20220.8%49.0%
C27Vienna game25225.8%49.0%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
A22English, Bremen, Smyslov system258628.1%49.0%
C89Ruy Lopez, Marshall, main line, 14...Qh374541.9%49.0%
C39KGA, Kieseritsky, Berlin defence, 6.Bc44928.6%49.0%
C44Inverted Hungarian4928.6%49.0%
B89Sicilian, Sozin, 7.Be3423426.8%49.0%
B58Sicilian, Boleslavsky variation87233.0%49.0%
D44QGD semi-Slav, 5.Bg5 dc38233.5%49.0%
A03Bird's opening278323.8%48.9%
E17Queen's Indian, 5.Bg2 Be79333.3%48.9%
C35KGA, Cunningham defence9219.6%48.9%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
C74Ruy Lopez, modern Steinitz defence, siesta variation4425.0%48.9%
C11French defence58225.1%48.8%
B98Sicilian, Najdorf variation20724.2%48.8%
B13Caro-Kann, Panov-Botvinnik, normal variation24535.5%48.8%
B90Sicilian, Najdorf, Lipnitzky attack219128.7%48.8%
A36English, symmetrical variation16225.9%48.8%
E27Nimzo-Indian, Saemisch variation4032.5%48.8%
A43Woozle defence3915.4%48.7%
B73Sicilian, dragon, classical, Richter variation19536.9%48.7%
D52QGD, Cambridge Springs defence, Capablanca variation3834.2%48.7%
C29Vienna gambit21928.8%48.6%
C20Alapin's opening10823.1%48.6%
B20Sicilian defence583224.0%48.6%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3284028.6%48.6%
A01Nimzovich-Larsen attack, classical variation167426.7%48.5%
E73King's Indian, 5.Be210222.5%48.5%
D48QGD semi-Slav, Meran, 8...a6618531.0%48.5%
C48Four knights, Rubinstein counter-gambit, exchange variation12840.6%48.4%
C29Vienna gambit, Steinitz variation3125.8%48.4%
D52QGD, Cambridge Springs defence, Argentine variation3119.4%48.4%
A23English, Bremen system, Keres variation43032.6%48.4%
C34King's knight's gambit6114.8%48.4%
B87Sicilian, Sozin with ...a6 and ...b5137427.7%48.3%
C55Two knights defence14827.7%48.3%
B62Sicilian, Richter-Rauzer, 6...e617525.7%48.3%
C89Ruy Lopez, Marshall, Herman Steiner variation296.9%48.3%
C88Ruy Lopez, closed404827.3%48.3%
A07Reti, King's Indian attack (with ...c5)42626.1%48.2%
D48QGD semi-Slav, Meran33222.9%48.2%
A90Dutch-Indian, Alekhine variation11030.9%48.2%
B44Sicilian, Szen, hedgehog variation41229.9%48.2%
C46Four knights, Italian variation38029.5%48.2%
C44Ponziani, Caro variation10738.3%48.1%
C45Scotch, Steinitz variation5223.1%48.1%
A09Reti, advance variation149025.5%48.1%
D24QGA, Bogolyubov variation22916.6%48.0%
D30QGD Slav, Semmering variation15232.9%48.0%
D44QGD semi-Slav, Botvinnik system (anti-Meran)35024.6%48.0%
A00Novosibirsk opening258.0%48.0%
A25English, closed system (without ...d6)9824.5%48.0%
D12QGD Slav, Amsterdam variation7335.6%47.9%
A12English, Capablanca's variation7327.4%47.9%
D52QGD, Cambridge Springs defence7248.6%47.9%
B23Sicilian, closed, Korchnoi variation33432.9%47.9%
E49Nimzo-Indian, 4.e3, Botvinnik system42629.1%47.9%
C77Ruy Lopez, Morphy defence, Duras variation9331.2%47.8%
C44King's pawn game6926.1%47.8%
B34Sicilian, accelerated fianchetto, exchange variation2334.8%47.8%
C41Philidor, Nimzovich (Jaenisch) variation8733.3%47.7%
C78Ruy Lopez, ...b5 & ...d68327.7%47.6%
C31KGD, Falkbeer counter-gambit6221.0%47.6%
C45Scotch, Potter variation26835.4%47.6%
A26English, Botvinnik system40524.4%47.5%
A00Anderssen's opening69921.5%47.5%
B26Sicilian, closed, 6.Be351924.9%47.5%
D29QGA, classical, 8...Bb777531.4%47.4%
A00Ware (Meadow Hay) opening20521.5%47.3%
D15QGD Slav, Slav gambit25926.6%47.3%
A03Bird's opening, Lasker variation1838.9%47.2%
B02Alekhine's defence, Maroczy variation26822.8%47.2%
C90Ruy Lopez, closed, Suetin variation5326.4%47.2%
C51Evans gambit declined, 5.a410529.5%47.1%
C55Two knights, Max Lange attack, Schlechter variation6930.4%47.1%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
B01Scandinavian gambit18530.3%47.0%
C07French, Tarrasch, Eliskases variation6633.3%47.0%
B02Alekhine's defence, Two pawns' (Lasker's) attack12939.5%46.9%
C30KGD, classical variation22320.2%46.9%
C44Scotch gambit9526.3%46.8%
A00Lasker simul special14027.9%46.8%
E46Nimzo-Indian, Simagin variation9329.0%46.8%
C33KGA, bishop's gambit, Bogolyubov variation319.7%46.8%
C55Two knights, Max Lange attack7723.4%46.8%
D01Richter-Veresov attack116926.3%46.7%
A17English, Queens Indian, Romanishin variation4637.0%46.7%
C02French, advance, Nimzovich system31718.9%46.7%
B97Sicilian, Najdorf, 7...Qb6236723.6%46.7%
D30QGD, Capablanca variation6020.0%46.7%
A80Dutch, Krejcik gambit14934.2%46.6%
A83Dutch, Staunton gambit, Staunton's line22326.9%46.6%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)8923.6%46.6%
C57Two knights defence, Fegatello attack7436.5%46.6%
A02Bird, From gambit7428.4%46.6%
C59Two knights defence17726.6%46.6%
E26Nimzo-Indian, Saemisch variation10329.1%46.6%
C65Ruy Lopez, Berlin defence, Duras variation2931.0%46.6%
C44Dresden opening5820.7%46.6%
C42Petrov, Cochrane gambit4314.0%46.5%
C44Ponziani, Jaenisch counter-attack66531.6%46.5%
A28English, Nenarokov variation7035.7%46.4%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
E60King's Indian, 3.g3, counterthrust variation1421.4%46.4%
D32QGD, Tarrasch defence, 4.cd ed2828.6%46.4%
E31Nimzo-Indian, Leningrad, main line20120.9%46.3%
C44Scotch, Relfsson gambit ('MacLopez')4012.5%46.3%
C80Ruy Lopez, open, 8...Be6131231.8%46.2%
A20English, Nimzovich, Flohr variation64728.7%46.2%
A00Benko's opening, reversed Alekhine9225.0%46.2%
C51Evans gambit, Cordel variation10026.0%46.0%
E75King's Indian, Averbakh, main line3732.4%45.9%
C42Petrov, Paulsen attack24527.3%45.9%
A13English, Wimpey system29029.7%45.9%
B50Sicilian, wing gambit deferred3619.4%45.8%
E10Doery defence10823.1%45.8%
B72Sicilian, dragon, classical, Nottingham variation8328.9%45.8%
C60Ruy Lopez, Lucena defence2321.7%45.7%
C43Petrov, Urusov gambit468.7%45.7%
B20Sicilian, wing gambit8023.8%45.6%
E53Nimzo-Indian, 4.e3, Keres variation10232.4%45.6%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
A12English, New York (London) defensive system4533.3%45.6%
C00French, Alapin variation4515.6%45.6%
A06Santasiere's folly13335.3%45.5%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C68Ruy Lopez, exchange, Romanovsky variation1118.2%45.5%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
E60King's Indian, Anti-Gruenfeld13721.9%45.3%
C20KP, Lopez opening6235.5%45.2%
C31KGD, Nimzovich counter-gambit5022.0%45.0%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
C25Vienna game, Max Lange defence6923.2%44.9%
B02Alekhine's defence, Welling variation2927.6%44.8%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
C51Evans gambit, Stone-Ware variation5722.8%44.7%
D31QGD, semi-Slav, Abrahams variation65730.3%44.7%
C48Four knights, Ranken variation2825.0%44.6%
E20Nimzo-Indian defence23225.4%44.6%
C33KGA, bishop's gambit, Steinitz defence7429.7%44.6%
D15QGD Slav, Tolush-Geller gambit29028.3%44.5%
A25English, closed, Taimanov variation2737.0%44.4%
C33King's gambit accepted922.2%44.4%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C51Evans gambit, Paulsen variation3611.1%44.4%
B97Sicilian, Najdorf, Poisoned pawn variation327127.0%44.4%
C67Ruy Lopez, open Berlin defence, l'Hermet variation8932.6%44.4%
B86Sicilian, Sozin attack23124.7%44.4%
C33KGA, bishop's gambit, Morphy variation3525.7%44.3%
D27QGA, classical, Geller variation7829.5%44.2%
A21English, Keres variation2634.6%44.2%
E24Nimzo-Indian, Saemisch, Botvinnik variation2626.9%44.2%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
D95Gruenfeld, Botvinnik variation11130.6%44.1%
E92King's Indian, classical variation1717.6%44.1%
B80Sicilian, Scheveningen, Vitolins variation11019.1%44.1%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
C68Ruy Lopez, exchange, Alekhine variation7431.1%43.9%
D35QGD, 3...Nf618731.0%43.9%
A22English, Bellon gambit1612.5%43.8%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
C24Bishop's opening, Ponziani gambit1625.0%43.8%
C36KGA, Abbazia defence, modern variation17330.6%43.6%
C11French, Swiss variation13127.5%43.5%
C27Vienna, Alekhine variation9022.2%43.3%
E03Catalan, open, Alekhine variation156.7%43.3%
C44Konstantinopolsky opening2213.6%43.2%
D63QGD, Orthodox defence, Pillsbury attack2240.9%43.2%
A28English, Bradley Beach variation18230.2%43.1%
C45Scotch, Romanishin variation2931.0%43.1%
A04Reti, Lisitsin gambit deferred5820.7%43.1%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
C51Evans gambit declined2138.1%42.9%
A03Mujannah opening70.0%42.9%
D50QGD, Been-Koomen variation1428.6%42.9%
B22Sicilian, 2.c3, Heidenfeld variation4228.6%42.9%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
A68Benoni, four pawns attack140.0%42.9%
C67Ruy Lopez, Berlin defence, Zukertort variation1457.1%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
D97Gruenfeld, Russian, Levenfish variation728.6%42.9%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
C46Four knights, Gunsberg variation11729.1%42.7%
D00Blackmar gambit8229.3%42.7%
C56Two knights defence, Canal variation2748.1%42.6%
C47Four knights, Belgrade gambit23626.7%42.6%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C44Scotch opening4526.7%42.2%
E30Nimzo-Indian, Leningrad, ...b5 gambit3240.6%42.2%
C33KGA, bishop's gambit, Bledow variation3831.6%42.1%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation1963.2%42.1%
C34KGA, Bonsch-Osmolovsky variation4425.0%42.0%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
C51Evans gambit, normal variation1233.3%41.7%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
B40Sicilian, Marshall variation2416.7%41.7%
C52Evans gambit, Waller attack616.7%41.7%
D31QGD, Alapin variation4216.7%41.7%
C40King's knight opening616.7%41.7%
D65QGD, Orthodox defence, Rubinstein attack, main line1827.8%41.7%
C14French, classical, Pollock variation120.0%41.7%
A00Amar (Paris) opening7622.4%41.4%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
A45Paleface attack19119.9%41.4%
C24Bishop's opening, Urusov gambit2321.7%41.3%
D59QGD, Tartakower variation18946.6%41.3%
D44QGD semi-Slav, anti-Meran, Szabo variation21020.5%41.2%
B45Sicilian, Taimanov, American attack1747.1%41.2%
C34KGA, Becker defence4520.0%41.1%
C21Halasz gambit4528.9%41.1%
E77King's Indian, Four pawns attack, Florentine gambit3930.8%41.0%
B15Caro-Kann, Rasa-Studier gambit1127.3%40.9%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc62722.2%40.7%
B20Sicilian, wing gambit, Marshall variation36726.4%40.7%
A00Gedult's opening3116.1%40.3%
C00French, Reversed Philidor formation8229.3%40.2%
C00French, Wing gambit4610.9%40.2%
C58Two knights defence, Yankovich variation540.0%40.0%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1040.0%40.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
C39KGA, Kieseritsky, Paulsen defence540.0%40.0%
C33KGA, bishop's gambit, Ruy Lopez defence540.0%40.0%
C17French, Winawer, advance, Rauzer variation540.0%40.0%
C44Scotch, Goering gambit, Bardeleben variation1020.0%40.0%
E77King's Indian, Four pawns attack, 6.Be250.0%40.0%
C23Bishop's opening, Lewis gambit540.0%40.0%
C52Evans gambit23227.2%39.9%
C46Four knights, Schultze-Mueller gambit2429.2%39.6%
A69Benoni, four pawns attack, main line8134.6%39.5%
D21QGA, Alekhine defense, Borisenko-Furman variation3330.3%39.4%
A82Dutch, Staunton gambit14530.3%39.3%
C13French, classical, Anderssen variation4621.7%39.1%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack933.3%38.9%
A46Queen's pawn, Torre attack, Wagner gambit2718.5%38.9%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
D44QGD semi-Slav, Ekstrom variation5320.8%38.7%
C57Two knights defence5922.0%38.1%
C88Ruy Lopez, closed, 7...d6, 8.d412623.8%38.1%
C49Four knights, Janowski variation2138.1%38.1%
C38KGA, Hanstein gambit2119.0%38.1%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
D01Richter-Veresov attack, Richter variation5334.0%37.7%
A84Dutch, Staunton gambit deferred1625.0%37.5%
C80Ruy Lopez, open, Friess attack850.0%37.5%
D26QGA, classical, Furman variation475.0%37.5%
B02Alekhine's defence, Steiner variation825.0%37.5%
C33KGA, bishop's gambit, Cozio (Morphy) defence2441.7%37.5%
C25Vienna, Hamppe-Allgaier gambit425.0%37.5%
C54Giuoco Piano, Greco's attack425.0%37.5%
A25English, closed, 5.Rb1 Taimanov variation425.0%37.5%
A43Hawk (Habichd) defence425.0%37.5%
C39KGA, Kieseritsky, Berlin defence5313.2%36.8%
A38English, symmetrical, main line with b31136.4%36.4%
E26Nimzo-Indian, Saemisch, O'Kelly variation3622.2%36.1%
C37KGA, Blachly gambit1816.7%36.1%
E23Nimzo-Indian, Spielmann, Karlsbad variation1428.6%35.7%
C33KGA, bishop's gambit, Boden defence714.3%35.7%
C51Evans gambit, 5...Be7771.4%35.7%
E20Nimzo-Indian, Mikenas attack1631.3%34.4%
B02Alekhine's defence, Krejcik variation1631.3%34.4%
C41Philidor, Nimzovich, Larobok variation5040.0%34.0%
C01French, exchange, Bogolyubov variation922.2%33.3%
C32KGD, Falkbeer, Reti variation366.7%33.3%
C80Ruy Lopez, open, Berger variation666.7%33.3%
C30KGD, classical, Heath variation366.7%33.3%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
A56Vulture defence30.0%33.3%
C27Boden-Kieseritsky gambit, Lichtenhein defence633.3%33.3%
C40Latvian, Polerio variation60.0%33.3%
C80Ruy Lopez, open, Richter variation30.0%33.3%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C11French, Steinitz, Bradford attack30.0%33.3%
D50QGD, Canal (Venice) variation30.0%33.3%
C21Danish gambit, Collijn defence30.0%33.3%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
C11French, Henneberger variation3138.7%32.3%
C25Vienna, Pierce gambit147.1%32.1%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
C51Evans gambit declined, Cordel variation1330.8%30.8%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
C33KGA, Breyer gambit2040.0%30.0%
A02Bird, From gambit, Lipke variation520.0%30.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation520.0%30.0%
C29Vienna gambit, Bardeleben variation1020.0%30.0%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3125.8%29.0%
E14Queen's Indian, Averbakh variation728.6%28.6%
C44Tayler opening728.6%28.6%
C45Scotch, Paulsen attack1428.6%28.6%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
A00Battambang opening933.3%27.8%
C39KGA, Kieseritsky, Rice gambit1952.6%26.3%
C38KGA, Philidor gambit40.0%25.0%
A46Doery defence250.0%25.0%
D50QGD, Semi-Tarrasch, Krause variation250.0%25.0%
B73Sicilian, dragon, classical, Zollner gambit1637.5%25.0%
C52Evans gambit, Levenfish variation250.0%25.0%
C52Evans gambit, Richardson attack616.7%25.0%
D43QGD semi-Slav, Hastings variation825.0%25.0%
C33KGA, bishop's gambit, classical defence119.1%22.7%
C02French, advance, Nimzovich variation4325.6%22.1%
C14French, classical variation2114.3%21.4%
A00Grob, Fritz gambit3910.3%20.5%
C38KGA, Philidor gambit, Schultz variation50.0%20.0%
E36Nimzo-Indian, classical, Noa variation, main line50.0%20.0%
D34QGD, Tarrasch, Bogolyubov variation540.0%20.0%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation540.0%20.0%
C45Scotch, Blumenfeld attack1040.0%20.0%
A80Dutch, Spielmann gambit333.3%16.7%
C37KGA, Muzio gambit119.1%13.6%
C37KGA, Quaade gambit128.3%12.5%
C65Ruy Lopez, Berlin defence, Anderssen variation616.7%8.3%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C57Two knights defence, Fegatello attack, Polerio defence10.0%0.0%
D55QGD, Pillsbury attack10.0%0.0%
C34KGA, Gianutio counter-gambit10.0%0.0%
D08QGD, Albin counter-gambit, Balogh variation10.0%0.0%
C45Scotch, Rosenthal variation10.0%0.0%
C98Ruy Lopez, closed, Chigorin, Rauzer attack10.0%0.0%
C37KGA, Silberschmidt gambit20.0%0.0%
C37KGA, double Muzio gambit10.0%0.0%
C44Ponziani counter-gambit, Schmidt attack10.0%0.0%
C51Evans gambit60.0%0.0%

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017