CCRL 40/4
Downloads and Statistics
June 16, 2018
Testing summary:
Total: 1'756'213 games
played by 2'066 programs
23541 CPU days (X2 4600+)

White wins: 686'325 (39.1%)
Black wins: 556'587 (31.7%)
Draws: 513'301 (29.2%)
White score: 53.7%

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
D08QGD, Albin counter-gambit, Janowski variation10.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence20.0%100.0%
B01Scandinavian, Anderssen counter-attack, Goteborg system50.0%100.0%
D34QGD, Tarrasch, Stoltz variation20.0%100.0%
C67Ruy Lopez, Berlin defence, Trifunovic variation30.0%100.0%
D67QGD, Orthodox defence, Bd3 line, Capablanca freeing manoevre10.0%100.0%
B00Guatemala defence10.0%100.0%
C39KGA, Allgaier gambit10.0%100.0%
C32KGD, Falkbeer, Tarrasch variation10.0%100.0%
C41Philidor, Paulsen attack30.0%100.0%
C36KGA, Abbazia defence, Botvinnik variation20.0%100.0%
C51Evans gambit, Steinitz variation10.0%100.0%
C44Ponziani counter-gambit, Cordel variation10.0%100.0%
C32KGD, Falkbeer, Charousek gambit20.0%100.0%
C78Ruy Lopez, Rabinovich variation10.0%100.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation922.2%88.9%
B03Alekhine's defence, four pawns attack, Planinc variation425.0%87.5%
B00Fred80.0%87.5%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation425.0%87.5%
C13French, classical, Frankfurt variation1618.8%84.4%
A40Queen's pawn, Charlick (Englund) gambit60.0%83.3%
C37KGA, Rosentreter gambit333.3%83.3%
D30QGD, Stonewall variation333.3%83.3%
C42Petrov, classical attack, Tarrasch variation933.3%83.3%
C58Two knights defence, Paoli variation1118.2%81.8%
B00Corn stalk defence1136.4%81.8%
C83Ruy Lopez, open, Breslau variation50.0%80.0%
D30QGD, Spielmann variation540.0%80.0%
A04Reti, Wade defence540.0%80.0%
B40Sicilian, Pin, Jaffe variation50.0%80.0%
B77Sicilian, dragon, Yugoslav attack, Byrne variation50.0%80.0%
C58Two knights defence, Colman variation100.0%80.0%
C41Philidor, Lopez counter-gambit1513.3%80.0%
C62Ruy Lopez, old Steinitz defence, semi-Duras variation742.9%78.6%
B01Scandinavian, Kiel variation714.3%78.6%
A70Benoni, classical without 9.O-O922.2%77.8%
C58Two knights defence, Blackburne variation450.0%75.0%
C52Evans gambit, Alapin-Steinitz variation450.0%75.0%
C30KGD, classical, Reti variation616.7%75.0%
A86Dutch, Hort-Antoshin system40.0%75.0%
B02Alekhine's defence, Two pawns' attack, Mikenas variation250.0%75.0%
C96Ruy Lopez, closed, Rossolimo defence616.7%75.0%
B20Sicilian, wing gambit, Santasiere variation250.0%75.0%
B06Norwegian defence250.0%75.0%
B24Sicilian, closed, Smyslov variation1435.7%75.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation450.0%75.0%
C14French, classical, Stahlberg variation450.0%75.0%
C12French, MacCutcheon, Bogolyubov variation616.7%75.0%
D00Blackmar-Diemer, Lemberg counter-gambit250.0%75.0%
C41Philidor, Hanham, Delmar variation850.0%75.0%
C37KGA, MacDonnell gambit250.0%75.0%
C55Two knights, Max Lange attack, Krause variation250.0%75.0%
C33KGA, bishop's gambit, Anderssen variation616.7%75.0%
C13French, classical, Vistaneckis (Nimzovich) variation40.0%75.0%
C67Ruy Lopez, Berlin defence, Rio de Janeiro variation850.0%75.0%
C53Giuoco Piano, Mestel variation250.0%75.0%
E08Catalan, closed, Zagoryansky variation450.0%75.0%
D08QGD, Albin counter-gambit, Krenosz variation250.0%75.0%
C64Ruy Lopez, classical defence, Zaitsev variation250.0%75.0%
B01Scandinavian, Anderssen counter-attack250.0%75.0%
C33KGA, bishop's gambit, McDonnell attack250.0%75.0%
B03Alekhine's defence, four pawns attack, Tartakower variation250.0%75.0%
C33KGA, Lopez-Gianutio counter-gambit, Hein variation250.0%75.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%75.0%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation244.2%72.9%
C31KGD, Falkbeer, Tartakower variation2236.4%72.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd2927.6%72.4%
A00Global opening1618.8%71.9%
B27Sicilian, Stiletto (Althouse) variation1414.3%71.4%
C15French, Winawer, Alekhine gambit70.0%71.4%
B01Scandinavian, Richter variation1926.3%71.1%
D98Gruenfeld, Russian, Keres variation1225.0%70.8%
B09Pirc, Austrian attack, Ljubojevic variation1723.5%70.6%
C64Ruy Lopez, Cordel gambit5626.8%70.5%
D16QGD Slav accepted, Alapin variation29421.8%70.4%
B12Caro-Kann, Edinburgh variation5520.0%70.0%
C45Scotch, Ghulam Kassim variation560.0%70.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack2817.9%69.6%
C83Ruy Lopez, open, Malkin variation1330.8%69.2%
C52Evans gambit, compromised defence, Paulsen variation1625.0%68.8%
A54Old Indian, Dus-Khotimirsky variation812.5%68.8%
D41QGD, Semi-Tarrasch, San Sebastian variation8025.0%68.8%
C31KGD, Falkbeer, 4.d31931.6%68.4%
A10English, Jaenisch gambit1921.1%68.4%
B40Sicilian, Pin, Koch variation16624.7%68.4%
C41Philidor, Hanham, Krause variation3030.0%68.3%
B72Sicilian, dragon, classical, Grigoriev variation1145.5%68.2%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit1163.6%68.2%
C41Philidor, Larsen variation7724.7%68.2%
D22QGA, Alekhine defence, Alatortsev variation1145.5%68.2%
A83Dutch, Staunton gambit, Chigorin variation5832.8%68.1%
E62King's Indian, fianchetto, Simagin variation16928.4%68.0%
C10French, Marshall variation1435.7%67.9%
A59Benko gambit, 7.e41435.7%67.9%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1421.4%67.9%
C43Petrov, modern attack, Bardeleben variation1717.6%67.6%
B05Alekhine's defence, modern, Panov variation2035.0%67.5%
D45QGD semi-Slav, stonewall defence2619.2%67.3%
D53QGD, Lasker variation922.2%66.7%
C49Four knights, Svenonius variation30.0%66.7%
C65Ruy Lopez, Berlin defence, Mortimer variation1811.1%66.7%
C42Petrov, French attack1513.3%66.7%
D18QGD Slav, Dutch, Lasker variation3013.3%66.7%
C03French, Tarrasch, Haberditz variation1513.3%66.7%
C41Philidor, Hanham, Steiner variation3330.3%66.7%
C33KGA, bishop's gambit, Boren-Svenonius variation30.0%66.7%
C12French, MacCutcheon, Duras variation366.7%66.7%
D63QGD, Orthodox defence, Capablanca variation60.0%66.7%
A66Benoni, pawn storm variation666.7%66.7%
C40Latvian gambit, 3.Bc4633.3%66.7%
A79Benoni, classical, 11.f320421.1%66.4%
C95Ruy Lopez, closed, Breyer, Gligoric variation7418.9%66.2%
A16English, Anglo-Gruenfeld, Czech defense13330.1%66.2%
A44Old Benoni defence6225.8%66.1%
D84Gruenfeld, Gruenfeld gambit accepted9326.9%66.1%
B04Alekhine's defence, modern, Schmid variation13929.5%65.8%
B12Caro-Kann, advance, Short variation9819.4%65.8%
A16English, Anglo-Gruenfeld defense, Korchnoi variation1631.3%65.6%
B03Alekhine's defence, four pawns attack, Trifunovic variation7425.7%65.5%
C29Vienna gambit, Kaufmann variation1338.5%65.4%
D87Gruenfeld, exchange, Seville variation19139.3%65.2%
B05Alekhine's defence, modern, Flohr variation43029.3%65.1%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation3727.0%64.9%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation31133.1%64.8%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation1711.8%64.7%
A97Dutch, Ilyin-Genevsky, Winter variation19135.1%64.7%
D46QGD semi-Slav, Romih variation23727.8%64.6%
B79Sicilian, dragon, Yugoslav attack, 12.h414531.0%64.5%
B01Scandinavian defence, Lasker variation15227.6%64.5%
D51QGD3818.4%64.5%
C40Greco defence9017.8%64.4%
B05Alekhine's defence, modern variation, 4...Bg497529.5%64.4%
C30KGD, Mafia defence14325.2%64.3%
B03Alekhine's defence, four pawns attack, 7.Be318529.2%64.3%
D90Gruenfeld, Schlechter variation3525.7%64.3%
D55QGD, Neo-orthodox variation1457.1%64.3%
C31KGD, Falkbeer, Morphy gambit742.9%64.3%
C15French, Winawer, Kondratiyev variation1442.9%64.3%
A59Benko gambit, Ne2 variation1428.6%64.3%
B18Caro-Kann, classical, Maroczy attack742.9%64.3%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)771.4%64.3%
A81Dutch, Leningrad, Karlsbad variation742.9%64.3%
C64Ruy Lopez, classical defence, Charousek variation2123.8%64.3%
A02Bird's opening, Swiss gambit1414.3%64.3%
C57Two knights defence, Pincus variation742.9%64.3%
A59Benko gambit8632.6%64.0%
B03Alekhine's defence, four pawns attack, fianchetto variation5438.9%63.9%
D35QGD, exchange, chameleon variation1827.8%63.9%
B00Barnes defence1816.7%63.9%
A43Old Benoni, Mujannah formation13721.2%63.9%
C98Ruy Lopez, closed, Chigorin, 12...Nc626426.9%63.8%
C88Ruy Lopez, closed, Balla variation2937.9%63.8%
C40QP counter-gambit (elephant gambit)19717.8%63.7%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation11448.2%63.6%
C41Philidor, Nimzovich, Rellstab variation10332.0%63.6%
B06Robatsch defence, Gurgenidze variation88022.8%63.6%
C42Petrov, classical attack, Mason variation9639.6%63.5%
D25QGA, Flohr variation8229.3%63.4%
C40Gunderam defence24323.0%63.4%
C46Three knights, Schlechter variation1533.3%63.3%
C53Giuoco Piano, LaBourdonnais variation1942.1%63.2%
C67Ruy Lopez, Berlin defence, Minckwitz variation5738.6%63.2%
A83Dutch, Staunton gambit, Alekhine variation1931.6%63.2%
D86Gruenfeld, exchange, Larsen variation2330.4%63.0%
B56Sicilian, Venice attack66534.3%63.0%
A97Dutch, Ilyin-Genevsky variation5429.6%63.0%
B02Alekhine's defence, Mokele Mbembe (Buecker) variation2722.2%63.0%
C65Ruy Lopez, Berlin defence, 4.O-O22026.8%63.0%
C53Giuoco Piano, centre-holding variation3122.6%62.9%
B74Sicilian, dragon, classical, Alekhine variation3522.9%62.9%
D48QGD semi-Slav, Meran, Pirc variation3528.6%62.9%
E87King's Indian, Saemisch, orthodox, 7.d551919.8%62.7%
B04Alekhine's defence, modern, Keres variation18933.3%62.7%
A55Old Indian, main line125526.9%62.7%
C95Ruy Lopez, closed, Breyer, Simagin variation7944.3%62.7%
E67King's Indian, fianchetto with ...Nd720629.1%62.6%
A59Benko gambit, main line99234.1%62.6%
A02Bird, Hobbs gambit425.0%62.5%
C67Ruy Lopez, open Berlin defence, Showalter variation425.0%62.5%
C49Four knights, symmetrical, Blake variation475.0%62.5%
C53Giuoco Piano, Tarrasch variation425.0%62.5%
C41Philidor, Nimzovich, Klein variation128.3%62.5%
C78Ruy Lopez, Wing attack2045.0%62.5%
C14French, classical, Tarrasch variation850.0%62.5%
A86Dutch with c4 & g320927.3%62.4%
D67QGD, Orthodox defence, Bd3 line, 11.O-O18530.8%62.4%
A43Old Benoni, Franco-Benoni defence17326.6%62.4%
C57Two knights defence, Wilkes Barre (Traxler) variation7715.6%62.3%
E74King's Indian, Averbakh, 6...c528326.5%62.0%
A44Semi-Benoni (`blockade variation')124021.4%62.0%
C40QP counter-gambit, Maroczy gambit7125.4%62.0%
D07QGD, Chigorin defence, Janowski variation62724.4%62.0%
E89King's Indian, Saemisch, orthodox main line8026.3%61.9%
A51Budapest, Fajarowicz variation13527.4%61.9%
D99Gruenfeld defence, Smyslov, main line38930.6%61.8%
C82Ruy Lopez, open, Italian variation8931.5%61.8%
A56Czech Benoni defence81524.7%61.8%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1752.9%61.8%
A81Dutch defence, Blackburne variation8531.8%61.8%
D50QGD, Semi-Tarrasch3452.9%61.8%
C41Philidor, Hanham, Schlechter variation6826.5%61.8%
D86Gruenfeld, exchange, Simagin's lesser variation6432.8%61.7%
B16Caro-Kann, Bronstein-Larsen variation77424.5%61.6%
A42Pterodactyl defence111427.2%61.6%
E33Nimzo-Indian, classical, 4...Nc614223.2%61.6%
C48Four knights, Marshall variation1315.4%61.5%
A96Dutch, classical variation56930.9%61.5%
B02Alekhine's defence, Brooklyn defence8721.8%61.5%
B04Alekhine's defence, modern variation41923.2%61.5%
D31QGD, semi-Slav, Junge variation3520.0%61.4%
C30KGD, classical, 4.c316426.2%61.3%
C48Four knights, Rubinstein counter-gambit, Henneberger variation4936.7%61.2%
C66Ruy Lopez, closed Berlin defence, Showalter variation6747.8%61.2%
B21Sicilian, Andreaschek gambit1844.4%61.1%
C70Ruy Lopez, fianchetto defence deferred2748.1%61.1%
C55Two knights, Max Lange attack, Steinitz variation911.1%61.1%
C00Lengfellner system10827.8%61.1%
D49QGD semi-Slav, Meran, Rabinovich variation11340.7%61.1%
C96Ruy Lopez, closed, Keres (...Nd7) defence32938.6%60.9%
B39Sicilian, accelerated fianchetto, Breyer variation151933.1%60.9%
A06Tennison (Lemberg, Zukertort) gambit2317.4%60.9%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation49428.1%60.8%
C03French, Tarrasch, Guimard variation24123.7%60.8%
D44QGD semi-Slav, anti-Meran, Alatortsev system5111.8%60.8%
C40Latvian counter-gambit15324.8%60.8%
D33QGD, Tarrasch, Wagner variation2828.6%60.7%
C43Petrov, modern (Steinitz) attack15524.5%60.6%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc4731.9%60.6%
C80Ruy Lopez, open, 6.d44727.7%60.6%
C17French, Winawer, advance variation10025.0%60.5%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation34829.0%60.5%
A98Dutch, Ilyin-Genevsky variation with Qc219627.0%60.5%
E07Catalan, closed, Botvinnik variation15324.2%60.5%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd261327.9%60.4%
A72Benoni, classical without 9.O-O12528.0%60.4%
A56Czech Benoni, King's Indian system38520.0%60.4%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation128425.7%60.3%
E21Nimzo-Indian, three knights, Korchnoi variation4434.1%60.2%
A86Dutch, Leningrad variation21131.3%60.2%
C97Ruy Lopez, closed, Chigorin defence176222.9%60.2%
E91King's Indian, 6.Be291625.3%60.2%
D44QGD semi-Slav, anti-Meran gambit201226.2%60.1%
C41Philidor, Hanham variation8436.9%60.1%
A18English, Mikenas-Carls, Flohr variation17831.5%60.1%
B01Scandinavian (centre counter) defence534927.6%60.1%
B01Scandinavian, Pytel-Wade variation318733.0%60.0%
A93Dutch, stonewall, Botwinnik variation27528.4%60.0%
C80Ruy Lopez, open, Harksen gambit50.0%60.0%
E17Queen's Indian, Euwe variation10536.2%60.0%
B33Sicilian, Pelikan, Bird variation33526.3%60.0%
C88Ruy Lopez, Noah's ark trap50.0%60.0%
C41Philidor, Philidor counter-gambit, del Rio attack540.0%60.0%
A52Budapest, Alekhine, Abonyi variation5028.0%60.0%
D56QGD, Lasker defence, Teichmann variation15033.3%60.0%
C82Ruy Lopez, open, Berlin variation2030.0%60.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation4045.0%60.0%
C44Ponziani, Romanishin variation1060.0%60.0%
C50Rousseau gambit50.0%60.0%
C49Four knights, symmetrical, Tarrasch variation540.0%60.0%
A92Dutch, stonewall with Nc39028.9%60.0%
E09Catalan, closed, Sokolsky variation540.0%60.0%
E72King's Indian, Pomar system1553.3%60.0%
C25Vienna, Steinitz gambit540.0%60.0%
D94Gruenfeld with e3 Bd33040.0%60.0%
E69King's Indian, fianchetto, classical main line126130.5%60.0%
A65Benoni, 6.e420123.4%60.0%
D06QGD, Marshall defence36828.5%59.9%
A92Dutch defence12132.2%59.9%
B01Scandinavian, Marshall variation98329.0%59.9%
B27Sicilian defence11230.4%59.8%
D99Gruenfeld defence, Smyslov, Yugoslav variation5149.0%59.8%
B82Sicilian, Scheveningen, Tal variation19919.1%59.8%
C67Ruy Lopez, Berlin defence, Cordel variation4637.0%59.8%
A16English, Anglo-Gruenfeld, Smyslov defense7739.0%59.7%
A40Beefeater defence3625.0%59.7%
E82King's Indian, Saemisch, double fianchetto variation16529.7%59.7%
B15Caro-Kann, Gurgenidze counter-attack3116.1%59.7%
D45QGD semi-Slav, Rubinstein (anti-Meran) system3135.5%59.7%
C19French, Winawer, advance, 6...Ne788526.2%59.7%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc215632.1%59.6%
A09Reti accepted, Keres variation12523.2%59.6%
E10Dzindzikhashvili defence20427.9%59.6%
B12Caro-Kann, 3.Nd248726.7%59.5%
A76Benoni, classical, 9...Re813215.9%59.5%
A24English, Bremen system with ...g69025.6%59.4%
A87Dutch, Leningrad, main variation83328.1%59.4%
B76Sicilian, dragon, Yugoslav attack, Rauser variation141826.7%59.4%
C82Ruy Lopez, open, St. Petersburg variation28738.7%59.4%
A99Dutch, Ilyin-Genevsky variation with b351125.2%59.4%
C20KP, King's head opening1631.3%59.4%
B02Alekhine's defence, Spielmann variation1631.3%59.4%
D41QGD, Semi-Tarrasch, Kmoch variation3256.3%59.4%
D51QGD, Capablanca anti-Cambridge Springs variation1631.3%59.4%
B00KP, Colorado counter1631.3%59.4%
B03Alekhine's defence, O'Sullivan gambit166.3%59.4%
E76King's Indian, Four pawns attack32733.0%59.3%
E02Catalan, open, 5.Qa410240.2%59.3%
B03Alekhine's defence, Balogh variation4320.9%59.3%
A63Benoni, fianchetto, 9...Nbd712925.6%59.3%
B09Pirc, Austrian attack, 6.e531228.8%59.3%
C96Ruy Lopez, closed (10...c5)125229.9%59.3%
B20Sicilian, wing gambit, Carlsbad variation2714.8%59.3%
E08Catalan, closed, Spassky gambit2722.2%59.3%
D33QGD, Tarrasch, Prague variation13633.1%59.2%
B27Sicilian, Quinteros variation9818.4%59.2%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne1319121.3%59.2%
B18Caro-Kann, classical, Flohr variation10437.5%59.1%
D16QGD Slav, Steiner variation37828.3%59.1%
D16QGD Slav, Smyslov variation13726.3%59.1%
C12French, MacCutcheon, Janowski variation18125.4%59.1%
B06Robatsch defence, Pseudo-Austrian attack101625.5%59.1%
E87King's Indian, Saemisch, orthodox, Bronstein variation1127.3%59.1%
C51Evans gambit, Goering attack1127.3%59.1%
B03Alekhine's defence, four pawns attack9931.3%59.1%
C43Petrov, modern attack, Steinitz variation1127.3%59.1%
A12English, Bled variation4431.8%59.1%
D08QGD, Albin counter-gambit, Alapin variation3339.4%59.1%
D34QGD, Tarrasch, Prague variation, 7...Be748031.0%59.1%
C92Ruy Lopez, closed, Kholmov variation19926.6%59.0%
E96King's Indian, orthodox, 7...Nbd7, main line21632.9%59.0%
C99Ruy Lopez, closed, Chigorin, 12...c5d4207334.2%59.0%
B02Alekhine's defence, Saemisch attack27223.2%59.0%
C92Ruy Lopez, closed, Keres (9...a5) variation5022.0%59.0%
C47Four knights, Scotch variation5038.0%59.0%
C19French, Winawer, advance, Smyslov variation26725.8%59.0%
D51QGD, 5...c68928.1%59.0%
A52Budapest, Adler variation71331.0%59.0%
C15French, Winawer, fingerslip variation3920.5%59.0%
E16Queen's Indian, Yates variation84231.0%59.0%
A70Benoni, classical with e4 and Nf3162326.6%59.0%
C23Bishop's opening, Philidor counter-attack10634.9%59.0%
C14French, classical, Alapin variation9537.9%58.9%
C71Ruy Lopez, modern Steinitz defence, Three knights variation2825.0%58.9%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)8436.9%58.9%
C19French, Winawer, advance, poisoned pawn variation518724.3%58.9%
D26QGA, classical, Steinitz variation14746.9%58.8%
B81Sicilian, Scheveningen, Keres attack481626.0%58.8%
B06Robatsch defence134228.4%58.8%
E29Nimzo-Indian, Saemisch, main line13630.9%58.8%
B09Pirc, Austrian attack80028.1%58.8%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation14833.8%58.8%
D44QGD semi-Slav, anti-Meran, Lilienthal variation48421.3%58.8%
D55QGD, 6.Nf336532.6%58.8%
E68King's Indian, fianchetto, classical variation, 8.e4213929.1%58.8%
A92Dutch, stonewall variation35426.6%58.8%
D22QGA, Haberditz variation25735.0%58.8%
A56Benoni defence163526.7%58.7%
A52Budapest, Rubinstein variation79636.8%58.7%
A53Old Indian, Janowski variation71220.2%58.7%
A00Anti-Borg (Desprez) opening2321.7%58.7%
A56Benoni defence, Hromodka system113721.1%58.6%
A61Benoni defence74824.9%58.6%
A04Reti, Pirc-Lisitsin gambit15822.2%58.5%
A41Old Indian, Tartakower (Wade) variation347724.4%58.5%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation116629.8%58.5%
B03Alekhine's defence, exchange variation84732.1%58.4%
B08Pirc, classical system, 5.Be2513231.5%58.4%
D17QGD Slav, Wiesbaden variation68727.7%58.4%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation46624.5%58.4%
D52QGD, Cambridge Springs defence, Yugoslav variation132226.9%58.4%
C30KGD, classical counter-gambit616.7%58.3%
A03Bird's opening, Williams gambit1816.7%58.3%
C31KGD, Falkbeer, Rubinstein variation650.0%58.3%
B05Alekhine's defence, modern, Alekhine variation650.0%58.3%
C60Ruy Lopez, Brentano defence616.7%58.3%
D57QGD, Lasker defence, main line5435.2%58.3%
E23Nimzo-Indian, Spielmann, San Remo variation650.0%58.3%
C24Bishop's opening, Urusov gambit, Panov variation616.7%58.3%
C39KGA, Kieseritsky, Neumann defence616.7%58.3%
C82Ruy Lopez, open, 9.c3616.7%58.3%
B06Robatsch defence, Two knights, Suttles variation248834.3%58.3%
A92Dutch defence, Alekhine variation12130.6%58.3%
D26QGA, classical variation, 6.O-O44835.3%58.3%
C81Ruy Lopez, open, Howell attack9738.1%58.2%
E17Queen's Indian, Opovcensky variation139229.5%58.2%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation52130.3%58.2%
D52QGD, Cambridge Springs defence, 7.cd47931.5%58.1%
D32QGD, Tarrasch, von Hennig-Schara gambit8630.2%58.1%
C26Vienna, Mengarini variation3735.1%58.1%
B10Caro-Kann, Hillbilly attack3735.1%58.1%
C80Ruy Lopez, open, Bernstein variation98136.5%58.1%
D17QGD Slav, Krause attack85626.6%58.1%
D34QGD, Tarrasch, Prague variation, Normal position128534.7%58.1%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O59033.4%58.1%
D47QGD semi-Slav, 7.Bc484927.2%58.0%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d515132.5%57.9%
C93Ruy Lopez, closed, Smyslov defence25233.3%57.9%
B06Robatsch defence, Two knights variation59930.4%57.9%
C96Ruy Lopez, closed, Borisenko defence8228.0%57.9%
A67Benoni, Taimanov variation46119.5%57.9%
C60Ruy Lopez, Cozio defence43028.8%57.9%
A50Queen's Indian accelerated34929.2%57.9%
C41Philidor, exchange variation144126.5%57.9%
A42Modern defence, Averbakh system, Kotov variation80024.0%57.9%
C14French, classical, Steinitz variation98526.8%57.9%
C05French, Tarrasch, Botvinnik variation15324.2%57.8%
B98Sicilian, Najdorf, Browne variation9632.3%57.8%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)18641.4%57.8%
A57Benko gambit half accepted125829.6%57.8%
D25QGA, 4.e357229.2%57.8%
C43Petrov, modern attack, main line50831.3%57.8%
D60QGD, Orthodox defence37331.4%57.8%
C59Two knights defence, Steinitz variation19326.4%57.8%
B00KP, Nimzovich defence269024.2%57.7%
C86Ruy Lopez, Worrall attack9726.8%57.7%
A89Dutch, Leningrad, main variation with Nc6150128.3%57.7%
D94Gruenfeld, 5.e376435.1%57.7%
D22QGA, Alekhine defence42135.2%57.7%
C18French, Winawer, advance variation80420.9%57.7%
C80Ruy Lopez, open, Tartakower variation1338.5%57.7%
C51Evans gambit, Morphy attack1338.5%57.7%
C48Four knights, Rubinstein counter-gambit, 5.Be21323.1%57.7%
C30KGD, classical, Soldatenkov variation1323.1%57.7%
B27Sicilian, Acton extension1323.1%57.7%
B09Pirc, Austrian attack, 6.Bd3427230.6%57.7%
E92King's Indian, Gligoric-Taimanov system265024.6%57.7%
C75Ruy Lopez, modern Steinitz defence32027.2%57.7%
D07QGD, Chigorin defence247227.1%57.6%
D34QGD, Tarrasch, Prague variation, 9.Bg5122037.7%57.6%
C19French, Winawer, advance, positional main line288023.5%57.6%
E16Queen's Indian, Capablanca variation42732.8%57.6%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack315528.7%57.6%
D42QGD, Semi-Tarrasch, 7.Bd368436.3%57.6%
C61Ruy Lopez, Bird's defence39531.1%57.6%
C49Four knights, symmetrical, Capablanca variation3342.4%57.6%
C52Evans gambit, compromised defence3312.1%57.6%
D25QGA, Smyslov variation20531.2%57.6%
E51Nimzo-Indian, 4.e3, Ragozin variation5350.9%57.5%
C74Ruy Lopez, modern Steinitz defence7338.4%57.5%
D41QGD, Semi-Tarrasch, 5.cd100636.7%57.5%
C57Two knights defence, Ulvestad variation4025.0%57.5%
C80Ruy Lopez, open, Riga variation4030.0%57.5%
E91King's Indian, Kazakh variation70129.4%57.5%
B01Scandinavian defence167030.2%57.5%
D33QGD, Tarrasch, Folkestone (Swedish) variation6737.3%57.5%
B04Alekhine's defence, modern, Larsen variation141132.1%57.4%
B19Caro-Kann, classical, Spassky variation926627.7%57.4%
C87Ruy Lopez, closed, Averbach variation39230.1%57.4%
D63QGD, Orthodox defence11526.1%57.4%
E92King's Indian, Petrosian system20319.2%57.4%
A30English, symmetrical, hedgehog, flexible formation59036.1%57.4%
D18QGD Slav, Dutch variation93331.7%57.3%
B15Caro-Kann, Gurgenidze system53928.9%57.3%
C17French, Winawer, advance, 5.a378125.5%57.3%
A21English, Smyslov defence5527.3%57.3%
C63Ruy Lopez, Schliemann defence40627.8%57.3%
E65King's Indian, fianchetto, Yugoslav, 7.O-O24831.5%57.3%
D87Gruenfeld, exchange, Spassky variation71734.4%57.3%
D09QGD, Albin counter-gambit, 5.g314533.1%57.2%
C42Petrov, Kaufmann attack30432.2%57.2%
A61Benoni, Nimzovich (knight's tour) variation71927.4%57.2%
C49Four knights, double Ruy Lopez34642.8%57.2%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3295538.7%57.2%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf645023.8%57.2%
B12Caro-Kann defence194022.1%57.2%
C21Centre game29833.2%57.2%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation11144.1%57.2%
A40Polish defence35525.4%57.2%
B27Sicilian, Hungarian variation1040333.7%57.2%
C05French, Tarrasch, closed variation200824.3%57.2%
A35English, symmetrical variation39128.4%57.2%
C83Ruy Lopez, open, classical defence18938.1%57.1%
D06Queen's Gambit2119.0%57.1%
C48Four knights, Bardeleben variation728.6%57.1%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation6328.6%57.1%
D60QGD, Orthodox defence, Rauzer variation2828.6%57.1%
A42Modern defence, Averbakh system108929.2%57.1%
E63King's Indian, fianchetto, Panno variation330628.6%57.1%
E79King's Indian, Four pawns attack, main line12845.3%57.0%
B07Robatsch defence, Geller's system157329.9%57.0%
C13French, Albin-Alekhine-Chatard attack45621.9%57.0%
E94King's Indian, orthodox variation192631.4%57.0%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence83727.0%57.0%
B63Sicilian, Richter-Rauzer, Rauzer attack50326.8%57.0%
C29Vienna gambit, Paulsen attack3636.1%56.9%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit7236.1%56.9%
A18English, Mikenas-Carls variation10825.0%56.9%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc43641.7%56.9%
E94King's Indian, orthodox, 7...Nbd7262526.9%56.9%
B42Sicilian, Kan, Gipslis variation19528.7%56.9%
C20KP, Patzer opening2931.0%56.9%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4155230.8%56.9%
C68Ruy Lopez, exchange variation34125.2%56.9%
D45QGD semi-Slav, 5.e3146928.7%56.9%
B42Sicilian, Kan, 5.Bd3465529.4%56.9%
A04Reti v Dutch247526.5%56.8%
A84Dutch defence, Rubinstein variation66728.2%56.8%
C83Ruy Lopez, open, 9...Be7, 10.Re12231.8%56.8%
C67Ruy Lopez, Berlin defence, Rosenthal variation4440.9%56.8%
C12French, MacCutcheon, Bernstein variation2213.6%56.8%
C42Petrov, classical attack233630.7%56.8%
B41Sicilian, Kan, Maroczy bind - Bronstein variation5928.8%56.8%
E38Nimzo-Indian, classical, 4...c580431.2%56.8%
E62King's Indian, fianchetto with ...Nc634725.4%56.8%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation5232.7%56.7%
C42Petrov, classical attack, Jaenisch variation389534.7%56.7%
C16French, Winawer, advance variation117225.2%56.7%
D16QGD Slav, Soultanbeieff variation26238.5%56.7%
E11Bogo-Indian defence, Monticelli trap3026.7%56.7%
E36Nimzo-Indian, classical, Botvinnik variation1533.3%56.7%
E64King's Indian, fianchetto, Yugoslav system19524.1%56.7%
C46Three knights, Steinitz, Rosenthal variation1560.0%56.7%
E44Nimzo-Indian, Fischer variation, 5.Ne293825.5%56.7%
C72Ruy Lopez, modern Steinitz defence, 5.O-O55030.0%56.6%
C58Two knights defence24924.9%56.6%
B55Sicilian, Prins variation, Venice attack12137.2%56.6%
C30King's gambit19728.9%56.6%
D47QGD semi-Slav, neo-Meran (Lundin variation)73531.3%56.6%
D10QGD Slav, Winawer counter-gambit31227.9%56.6%
E09Catalan, closed, main line71728.0%56.6%
B28Sicilian, O'Kelly variation87928.9%56.5%
C18French, Winawer, classical variation81921.2%56.5%
A40Modern defence223024.9%56.5%
C01French, exchange, Svenonius variation6937.7%56.5%
E11Bogo-Indian defence, Nimzovich variation274528.7%56.5%
B42Sicilian, Kan, Swiss cheese variation30727.7%56.5%
C10French, Paulsen variation160527.3%56.5%
B10Caro-Kann, anti-Caro-Kann defence134426.4%56.5%
C04French, Tarrasch, Guimard main line46126.2%56.5%
B00Owen defence87626.5%56.5%
B02Alekhine's defence, Scandinavian variation41527.7%56.5%
C15French, Winawer, Alekhine (Maroczy) gambit40031.0%56.5%
A88Dutch, Leningrad, main variation with c6229531.1%56.5%
D48QGD semi-Slav, Meran, old main line20834.1%56.5%
C41Philidor, Improved Hanham variation130227.3%56.5%
D46QGD semi-Slav, Bogolyubov variation44730.2%56.5%
C54Giuoco Piano17027.1%56.5%
D19QGD Slav, Dutch variation272129.4%56.5%
C36KGA, Abbazia defence (classical defence, modern defence[!])3122.6%56.5%
D10QGD Slav defence, Alekhine variation46520.9%56.5%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be724828.2%56.5%
E83King's Indian, Saemisch, 6...Nc612419.4%56.5%
C45Scotch, Pulling counter-attack3122.6%56.5%
D50QGD, 4.Bg532630.7%56.4%
E17Queen's Indian, old main line, 6.O-O100331.3%56.4%
E85King's Indian, Saemisch, orthodox variation7830.8%56.4%
C20KP, Mengarini's opening7817.9%56.4%
B60Sicilian, Richter-Rauzer160026.3%56.4%
C03French, Tarrasch298929.9%56.4%
A84Dutch defence174225.9%56.4%
B29Sicilian, Nimzovich-Rubinstein variation61330.5%56.4%
B06Robatsch (modern) defence1039229.4%56.4%
E18Queen's Indian, old main line, 7.Nc3316433.2%56.3%
B32Sicilian, Flohr variation15028.7%56.3%
C95Ruy Lopez, closed, Breyer, Borisenko variation237130.4%56.3%
C63Ruy Lopez, Schliemann defence, Berger variation73634.1%56.3%
C17French, Winawer, advance, Bogolyubov variation30929.1%56.3%
E39Nimzo-Indian, classical, Pirc variation140332.6%56.3%
A40Queen's pawn, English defence67421.8%56.3%
C55Two knights defence (Modern bishop's opening)144130.3%56.3%
E95King's Indian, orthodox, 7...Nbd7, 8.Re198926.8%56.3%
B71Sicilian, dragon, Levenfish; Flohr variation812.5%56.3%
D53QGD, 4.Bg5 Be7, 5.e3 O-O3237.5%56.3%
D51QGD, Manhattan variation2429.2%56.3%
E21Nimzo-Indian, three knights, Euwe variation837.5%56.3%
C67Ruy Lopez, open Berlin defence, 5...Be712133.1%56.2%
B08Pirc, classical (two knights) system95728.7%56.2%
A11English, Caro-Kann defensive system155928.0%56.2%
A41Queen's Pawn494623.4%56.2%
A81Dutch defence738328.6%56.2%
B73Sicilian, dragon, classical, 8.O-O24437.7%56.1%
A77Benoni, classical, 9...Re8, 10.Nd241524.6%56.1%
D06QGD, symmetrical (Austrian) defence11429.8%56.1%
D52QGD44929.4%56.1%
C70Ruy Lopez, Schliemann defence deferred4918.4%56.1%
E94King's Indian, orthodox, Donner variation23727.8%56.1%
E05Catalan, open, classical line51531.5%56.1%
D20QGA, 3.e4411229.0%56.1%
C41Philidor's defence57829.8%56.1%
B00KP, Nimzovich defence, Bogolyubov variation28118.1%56.0%
C77Ruy Lopez, four knights (Tarrasch) variation30631.0%56.0%
B08Pirc, classical, h3 system69629.9%56.0%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb6139533.5%56.0%
E66King's Indian, fianchetto, Yugoslav Panno48227.0%56.0%
A95Dutch, stonewall: Chekhover variation5036.0%56.0%
D48QGD semi-Slav, Meran, Reynolds' variation137729.2%56.0%
C91Ruy Lopez, closed, 9.d4396527.2%56.0%
A28English, four knights, Stean variation17624.4%56.0%
C27Vienna, `Frankenstein-Dracula' variation4226.2%56.0%
D05Queen's pawn game, Zukertort variation4231.0%56.0%
C09French, Tarrasch, open variation, main line222637.4%55.9%
D06QGD, Grau (Sahovic) defence158624.9%55.9%
A85Dutch with c4 & Nc358632.9%55.9%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation79032.5%55.9%
D28QGA, classical, 7.Qe213641.2%55.9%
A90Dutch defence208326.0%55.9%
D25QGA, Janowsky-Larsen variation75029.3%55.9%
E32Nimzo-Indian, classical, Adorjan gambit20527.8%55.9%
B07Pirc, Byrne variation45424.4%55.8%
B07Pirc, Ufimtsev-Pytel variation88323.8%55.8%
D51QGD, 4.Bg5 Nbd712929.5%55.8%
A12English, Caro-Kann defensive system28427.8%55.8%
A40Queen's pawn, Keres defence389627.6%55.8%
C13French, classical, Tartakower variation2626.9%55.8%
C22Centre game2626.9%55.8%
D53QGD, 4.Bg5 Be771136.7%55.8%
E16Queen's Indian, Riumin variation42732.3%55.7%
C89Ruy Lopez, Marshall, main line, 12.d2d4137727.4%55.7%
D35QGD, exchange variation39332.1%55.7%
C66Ruy Lopez, closed Berlin defence, Wolf variation13141.2%55.7%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)431429.9%55.7%
A05Reti, King's Indian attack234629.5%55.7%
E13Queen's Indian, 4.Nc3, main line37025.4%55.7%
A40Queen's pawn, Franco-Indian (Keres) defence371828.4%55.7%
C14French, classical, Rubinstein variation5320.8%55.7%
E67King's Indian, fianchetto, classical variation101831.5%55.6%
E36Nimzo-Indian, classical, Noa variation, 5.a349632.7%55.6%
B36Sicilian, accelerated fianchetto, Maroczy bind144735.5%55.6%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack296930.1%55.6%
A43Old Benoni defence268026.2%55.6%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation39228.1%55.6%
B10Caro-Kann, Two knights variation92827.6%55.6%
D71Neo-Gruenfeld, 5.cd23239.7%55.6%
A10English, Anglo-Dutch defense139325.2%55.6%
A19English, Mikenas-Carls, Sicilian variation26828.4%55.6%
B82Sicilian, Scheveningen, 6.f481329.8%55.6%
E60King's Indian, 3.g3239931.1%55.6%
E71King's Indian, Makagonov system (5.h3)95026.3%55.6%
A50Queen's pawn game206428.9%55.6%
D97Gruenfeld, Russian, Prins variation125733.7%55.6%
B23Sicilian, chameleon variation137428.0%55.6%
A30English, symmetrical, hedgehog system823331.9%55.6%
D15QGD Slav, Schlechter variation34230.4%55.6%
C58Two knights defence, Bogolyubov variation7219.4%55.6%
A47Queen's Indian, Marienbad system, Berg variation922.2%55.6%
C12French, MacCutcheon, Dr. Olland (Dutch) variation3633.3%55.6%
C41Philidor, Philidor counter-gambit, Zukertort variation1833.3%55.6%
B49Sicilian, Taimanov variation264331.2%55.5%
D21QGA, 3.Nf3126425.9%55.5%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)874125.1%55.5%
E88King's Indian, Saemisch, orthodox, 7.d5 c653430.9%55.5%
E60King's Indian, 3.Nf3487729.2%55.5%
D34QGD, Tarrasch, Reti variation6439.1%55.5%
E11Bogo-Indian defence370932.8%55.5%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd389837.0%55.5%
B53Sicilian, Chekhover, Zaitsev variation5523.6%55.5%
D27QGA, classical, Rubinstein variation418134.3%55.5%
C13French, Albin-Alekhine-Chatard attack, Breyer variation9228.3%55.4%
B58Sicilian, Boleslavsky, Louma variation4628.3%55.4%
E11Bogo-Indian defence, Gruenfeld variation382031.1%55.4%
E93King's Indian, Petrosian system, main line24024.2%55.4%
C50Giuoco Pianissimo, Italian four knights variation53729.2%55.4%
A62Benoni, fianchetto variation161322.8%55.4%
B02Alekhine's defence60332.5%55.4%
E90King's Indian, Larsen variation12128.1%55.4%
D66QGD, Orthodox defence, Bd3 line39130.4%55.4%
D31QGD, 3.Nc3104428.2%55.4%
D20Queen's gambit accepted205130.9%55.4%
D92Gruenfeld, 5.Bf4114933.2%55.4%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)210131.7%55.3%
C92Ruy Lopez, closed, 9.h357327.2%55.3%
A18English, Mikenas-Carls, Kevitz variation4717.0%55.3%
A53Old Indian defence185229.3%55.3%
B72Sicilian, dragon, classical attack11332.7%55.3%
D52QGD, Cambridge Springs defence, Rubinstein variation22631.9%55.3%
B33Sicilian, Pelikan, Chelyabinsk variation596427.1%55.3%
A80Dutch, Manhattan (Alapin, Ulvestad) variation12322.8%55.3%
B09Pirc, Austrian attack, 6.Be379725.7%55.3%
A58Benko gambit, fianchetto variation39929.8%55.3%
C42Petrov, classical attack, Berger variation1936.8%55.3%
C23Bishop's opening, Philidor variation1926.3%55.3%
B77Sicilian, dragon, Yugoslav attack, 9...Bd746625.5%55.3%
A58Benko gambit accepted85931.1%55.2%
A41Modern defence10528.6%55.2%
D70Neo-Gruenfeld (Kemeri) defence21041.0%55.2%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6673433.2%55.2%
B40Sicilian, Anderssen variation248631.8%55.2%
B27Sicilian, Katalimov variation18224.7%55.2%
C06French, Tarrasch, closed variation, main line277932.2%55.2%
D28QGA, classical, 7...b527834.2%55.2%
B12Caro-Kann, Tartakower (fantasy) variation105627.3%55.2%
C10French, Frere (Becker) variation4822.9%55.2%
E72King's Indian with e4 & g34831.3%55.2%
D11QGD Slav, 4.e3563329.6%55.2%
C42Petrov, classical attack, Marshall variation245229.4%55.2%
A52Budapest defence7724.7%55.2%
D81Gruenfeld, Russian variation40534.8%55.2%
C40Damiano's defence2927.6%55.2%
D32QGD, Tarrasch defence44631.4%55.2%
D31QGD, semi-Slav, Marshall gambit305828.5%55.2%
B85Sicilian, Scheveningen, classical, Maroczy system6833.8%55.1%
E15Queen's Indian, 4.g3188741.0%55.1%
C29Vienna gambit, Breyer variation14634.9%55.1%
C00St. George defence66226.9%55.1%
A13English, Romanishin gambit83330.3%55.1%
A22English, Carls' Bremen system88426.5%55.1%
B13Caro-Kann, exchange, Rubinstein variation22633.2%55.1%
B04Alekhine's defence, modern, fianchetto variation95931.1%55.1%
A36English, symmetrical, Botvinnik system74627.5%55.0%
D68QGD, Orthodox defence, classical variation14035.7%55.0%
C00French, Reti (Spielmann) variation29027.2%55.0%
B06Robatsch defence, three pawns attack10016.0%55.0%
C57Two knights defence, Lolli attack2020.0%55.0%
D97Gruenfeld, Russian, Levenfish variation2020.0%55.0%
A39English, symmetrical, main line with d4130136.7%55.0%
B18Caro-Kann, classical variation207530.4%55.0%
D02Queen's pawn game, Chigorin variation177625.3%55.0%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)3301229.5%55.0%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c656623.0%54.9%
C44Ponziani opening18325.7%54.9%
B15Caro-Kann, Forgacs variation12236.1%54.9%
B43Sicilian, Kan, 5.Nc3677529.0%54.9%
A08Reti, King's Indian attack120330.5%54.9%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd713339.1%54.9%
E43Nimzo-Indian, Fischer variation64630.2%54.9%
C41Philidor, Nimzovich variation3138.7%54.8%
E19Queen's Indian, old main line, 9.Qxc3173633.5%54.8%
B41Sicilian, Kan, Maroczy bind (Reti variation)97528.8%54.8%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation26026.5%54.8%
C42Petrov, classical attack, close variation20829.8%54.8%
B41Sicilian, Kan variation28129.2%54.8%
B46Sicilian, Taimanov variation574628.9%54.8%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)716729.2%54.8%
A14English, Symmetrical, Keres defence90036.2%54.8%
B60Sicilian, Richter-Rauzer, Larsen variation35924.8%54.7%
E28Nimzo-Indian, Saemisch variation10632.1%54.7%
A17English, Nimzo-English opening264430.9%54.7%
D35QGD, exchange, positional line, 5...c6191428.2%54.7%
D29QGA, classical, Smyslov variation9628.1%54.7%
C58Two knights defence, Kieseritsky variation3228.1%54.7%
C02French, advance, Wade variation39727.7%54.7%
D31QGD, Janowski variation21537.7%54.7%
A54Old Indian, Ukrainian variation, 4.Nf332326.3%54.6%
A31English, symmetrical, Benoni formation232828.1%54.6%
C11French, Steinitz, Boleslavsky variation774326.2%54.6%
E10Blumenfeld counter-gambit13027.7%54.6%
C73Ruy Lopez, modern Steinitz defence, Alapin variation32727.2%54.6%
D41QGD, Semi-Tarrasch with e336036.9%54.6%
C78Ruy Lopez, 5.O-O291031.3%54.6%
E08Catalan, closed, 7.Qc224131.1%54.6%
D86Gruenfeld, exchange, classical variation138531.8%54.5%
B07Pirc defence300125.9%54.5%
C45Scotch, Blackburne attack2254.5%54.5%
C10French, Rubinstein, Capablanca line2236.4%54.5%
C70Ruy Lopez, Graz variation1136.4%54.5%
D86Gruenfeld, exchange, Simagin's improved variation14333.6%54.5%
C42Petrov three knights game57228.3%54.5%
E10Queen's pawn game723531.4%54.5%
D26QGA, classical variation136834.4%54.5%
B56Sicilian535426.3%54.5%
E80King's Indian, Saemisch variation55424.5%54.5%
C66Ruy Lopez, Berlin defence, 4.O-O, d611140.5%54.5%
B57Sicilian, Sozin, not Scheveningen57930.6%54.5%
C77Ruy Lopez, Morphy defence41233.3%54.5%
D11QGD Slav, 3.Nf3561728.6%54.5%
B47Sicilian, Taimanov (Bastrikov) variation1132030.8%54.5%
C21Danish gambit6731.3%54.5%
A57Benko gambit123025.2%54.5%
D01Richter-Veresov attack, Veresov variation5619.6%54.5%
E62King's Indian, fianchetto variation15728.7%54.5%
D10QGD Slav defence549930.0%54.5%
A13English, Neo-Catalan accepted239133.5%54.5%
D12QGD Slav, 4.e3 Bf5913828.0%54.4%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f463432.8%54.4%
D94Gruenfeld, Flohr defence6826.5%54.4%
A02Bird, From gambit, Lasker variation3414.7%54.4%
C45Scotch, Horwitz attack3438.2%54.4%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation71530.8%54.4%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O112424.1%54.4%
B42Sicilian, Kan, Polugaievsky variation297026.8%54.4%
B45Sicilian, Taimanov variation504227.4%54.4%
E90King's Indian, 5.Nf3125923.4%54.4%
E70King's Indian, 4.e491626.0%54.4%
B99Sicilian, Najdorf, 7...Be7 main line162622.0%54.4%
C12French, MacCutcheon, Lasker variation, 8...g676824.9%54.4%
A45Blackmar-Diemer gambit17227.3%54.4%
C42Petrov, classical attack, Chigorin variation120534.0%54.4%
E06Catalan, closed, 5.Nf3709334.5%54.4%
C00French defence396323.9%54.4%
B12Caro-Kann, advance variation2383824.7%54.4%
B40Sicilian, Pin variation (Sicilian counter-attack)15122.5%54.3%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation3540.0%54.3%
B32Sicilian, Labourdonnais-Loewenthal variation38530.1%54.3%
C62Ruy Lopez, old Steinitz defence65528.2%54.3%
C10French, Fort Knox variation46934.3%54.3%
E56Nimzo-Indian, 4.e3, main line with 7...Nc6134030.7%54.3%
C50King's pawn game38923.1%54.2%
E00Catalan opening689530.7%54.2%
E61King's Indian defence, 3.Nc3140028.7%54.2%
E15Queen's Indian, 4.g3 Bb727329.3%54.2%
E17Queen's Indian, anti-Queen's Indian system29734.3%54.2%
A95Dutch, stonewall with Nc347626.5%54.2%
C69Ruy Lopez, exchange variation, 5.O-O79930.3%54.2%
A21English, Troeger defence17929.1%54.2%
C48Four knights, Rubinstein counter-gambit158126.5%54.2%
C42Petrov, Nimzovich attack73233.5%54.2%
E37Nimzo-Indian, classical, San Remo variation1241.7%54.2%
C12French, MacCutcheon, advance variation1241.7%54.2%
B44Sicilian, Szen variation, Dely-Kasparov gambit2441.7%54.2%
A51Budapest defence declined6025.0%54.2%
E81King's Indian, Saemisch, 5...O-O241225.5%54.1%
E59Nimzo-Indian, 4.e3, main line211230.7%54.1%
B48Sicilian, Taimanov variation738728.0%54.1%
D98Gruenfeld, Russian, Smyslov variation60428.1%54.1%
A16English opening124928.0%54.1%
A21English opening341027.4%54.1%
B85Sicilian, Scheveningen, classical main line71739.9%54.1%
A15English opening1319833.0%54.1%
D24QGA, 4.Nc333031.8%54.1%
B54Sicilian119927.3%54.1%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc346541.5%54.1%
D31QGD, semi-Slav134931.1%54.1%
D52QGD, Cambridge Springs defence, Bogoljubow variation70130.0%54.1%
B22Sicilian, Alapin's variation (2.c3)1840131.9%54.1%
C60Ruy Lopez, Cozio defence, Paulsen variation3737.8%54.1%
C65Ruy Lopez, Berlin defence, Beverwijk variation59229.7%54.1%
B59Sicilian, Boleslavsky variation, 7.Nb316139.8%54.0%
E92King's Indian, Andersson variation48339.8%54.0%
C78Ruy Lopez, Archangelsk (counterthrust) variation390329.1%54.0%
A46Queen's pawn game638627.8%54.0%
A41Robatsch defence, Rossolimo variation18627.4%54.0%
E40Nimzo-Indian, 4.e323626.7%54.0%
A78Benoni, classical with ...Re8 and ...Na68734.5%54.0%
D17QGD Slav, Czech defence92035.2%54.0%
A20English, Nimzovich variation29926.4%54.0%
E00Queen's pawn game148427.8%54.0%
C42Petrov's defence94825.1%54.0%
C13French, classical2512.0%54.0%
C16French, Winawer, Petrosian variation41325.2%54.0%
A94Dutch, stonewall with Ba318835.6%54.0%
B20Sicilian, Steinitz variation126625.5%54.0%
D23QGA, Mannheim variation53932.3%54.0%
C44Ponziani, Steinitz variation11338.9%54.0%
E20Nimzo-Indian, Kmoch variation114325.4%54.0%
D63QGD, Orthodox defence, 7.Rc135234.1%54.0%
A80Dutch846326.3%54.0%
C11French, Steinitz variation187926.8%54.0%
C43Petrov, modern attack, Symmetrical variation538631.3%54.0%
A30English, symmetrical variation884429.3%53.9%
D46QGD semi-Slav, Chigorin defence86232.7%53.9%
E01Catalan, closed55831.2%53.9%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)361932.4%53.9%
C02French, advance variation208925.2%53.9%
E73King's Indian, Semi-Averbakh system5125.5%53.9%
C06French, Tarrasch, Leningrad variation5117.6%53.9%
C26Vienna game35727.2%53.9%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation187129.8%53.9%
A49King's Indian, fianchetto without c4232828.4%53.9%
A73Benoni, classical, 9.O-O28324.4%53.9%
D90Gruenfeld, Three knights variation74834.8%53.9%
B36Sicilian, accelerated fianchetto, Gurgenidze variation37538.4%53.9%
A50Kevitz-Trajkovich defence120927.1%53.8%
B00Carr's defence6524.6%53.8%
C42Petrov, Damiano variation3930.8%53.8%
C70Ruy Lopez7828.2%53.8%
A13English, Neo-Catalan204130.1%53.8%
C69Ruy Lopez, exchange, Gligoric variation62635.8%53.8%
B35Sicilian, accelerated fianchetto, modern variation with Bc4498834.0%53.8%
C50Hungarian defence13137.4%53.8%
B11Caro-Kann, Two knights, 3...Bg4168024.9%53.8%
A28English, four knights, Marini variation145931.7%53.8%
B03Alekhine's defence79024.1%53.8%
B00King's pawn opening305526.0%53.8%
D55QGD, Neo-orthodox variation, 7.Bh455431.8%53.8%
D11QGD Slav, Breyer variation27728.9%53.8%
B14Caro-Kann, Panov-Botvinnik attack, 5...g647538.5%53.8%
B74Sicilian, dragon, classical, Spielmann variation6628.8%53.8%
B07Pirc, bayonet (Mariotti) attack5320.8%53.8%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)381832.3%53.8%
B17Caro-Kann, Steinitz variation551729.0%53.8%
E62King's Indian, fianchetto, Larsen system33229.2%53.8%
E22Nimzo-Indian, Spielmann variation16035.0%53.8%
D96Gruenfeld, Russian variation53430.3%53.7%
B00St. George (Baker) defence18721.9%53.7%
D77Neo-Gruenfeld, 6.O-O209833.5%53.7%
D89Gruenfeld, Spassky variation, main line, 13.Bd310732.7%53.7%
B62Sicilian, Richter-Rauzer, Keres variation56231.0%53.7%
D38QGD, Ragozin variation829432.3%53.7%
E99King's Indian, orthodox, Aronin-Taimanov, main line13422.4%53.7%
A00Durkin's attack6717.9%53.7%
A07Reti, King's Indian attack, Yugoslav variation510531.2%53.7%
D61QGD, Orthodox defence, Rubinstein variation55130.1%53.7%
B09Pirc, Austrian attack, dragon formation123930.9%53.7%
D27QGA, classical, 6...a6546436.2%53.7%
A71Benoni, classical, 8.Bg513525.9%53.7%
B95Sicilian, Najdorf, 6...e6172926.8%53.7%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc238235.9%53.7%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation127424.5%53.7%
A61Benoni, fianchetto variation6825.0%53.7%
B07Pirc, 150 attack64028.9%53.7%
E10Blumenfeld counter-gambit accepted20523.4%53.7%
A09Reti opening106727.3%53.7%
D35QGD, exchange, Saemisch variation31528.6%53.7%
D43QGD semi-Slav2211129.1%53.6%
B77Sicilian, dragon, Yugoslav attack, 9.Bc49630.2%53.6%
B80Sicilian, Scheveningen variation144323.8%53.6%
E04Catalan, open, 5.Nf31174432.5%53.6%
D37QGD, classical variation (5.Bf4)840732.8%53.6%
B13Caro-Kann, Panov-Botvinnik attack191132.6%53.6%
D78Neo-Gruenfeld, 6.O-O c6207332.4%53.6%
C22Centre game, Berger variation40426.5%53.6%
D79Neo-Gruenfeld, 6.O-O, main line97836.8%53.6%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation1450.0%53.6%
B84Sicilian, Scheveningen, classical, Nd7 system9825.5%53.6%
B32Sicilian, Nimzovich variation2814.3%53.6%
A01Nimzovich-Larsen attack, Polish variation2835.7%53.6%
D21QGA, Ericson variation2842.9%53.6%
C40Latvian, Fraser defence147.1%53.6%
C45Scotch, Meitner variation4235.7%53.6%
C41Philidor, Steinitz variation1421.4%53.6%
D51QGD, Alekhine variation1421.4%53.6%
B18Caro-Kann, classical, 6.h4267830.7%53.6%
D80Gruenfeld defence85641.5%53.6%
B10Caro-Kann defence605424.9%53.6%
A40Queen's pawn567826.1%53.6%
C10French, Rubinstein variation879432.9%53.5%
D82Gruenfeld, 4.Bf461134.0%53.5%
A47Queen's Indian defence98328.1%53.5%
A10English opening497225.6%53.5%
D30Queen's gambit declined707031.1%53.5%
D85Gruenfeld, modern exchange variation810736.5%53.5%
B57Sicilian, Magnus Smith trap4327.9%53.5%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation301534.8%53.5%
E10Blumenfeld counter-gambit, Spielmann variation10119.8%53.5%
C47Four knights, Scotch, Krause variation20233.7%53.5%
C53Giuoco Piano, close variation5831.0%53.4%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2937.9%53.4%
C33KGA, bishop's gambit, Jaenisch variation11625.9%53.4%
C46Three knights, Steinitz variation17520.0%53.4%
C25Vienna gambit7327.4%53.4%
B98Sicilian, Najdorf, 7...Be727824.8%53.4%
E12Queen's Indian, Miles variation147831.5%53.4%
E70King's Indian, Kramer system24922.5%53.4%
E12Queen's Indian, Petrosian system1148931.9%53.4%
A48King's Indian, East Indian defence168729.4%53.4%
A01Nimzovich-Larsen attack, Indian variation77926.7%53.4%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation138233.4%53.4%
E60King's Indian defence173623.4%53.4%
A75Benoni, classical with ...a6 and 10...Bg416229.0%53.4%
A80Dutch, 2.Bg5 variation253622.9%53.4%
D13QGD Slav, exchange variation142132.2%53.4%
C45Scotch game363831.8%53.4%
A60Benoni defence23927.2%53.3%
C02French, advance, Paulsen attack231724.3%53.3%
A74Benoni, classical, 9...a6, 10.a43033.3%53.3%
B01Scandinavian defence, Gruenfeld variation1540.0%53.3%
C20KP, Napoleon's opening1540.0%53.3%
D31QGD, Charousek (Petrosian) variation216229.2%53.3%
C46Three knights game28626.2%53.3%
A25English, closed system143028.0%53.3%
D35QGD, exchange, positional line274527.9%53.3%
C01French, exchange variation228232.6%53.3%
D37QGD, 4.Nf3668932.5%53.3%
A80Dutch, Korchnoi attack10631.1%53.3%
C49Four knights, symmetrical, Maroczy system9138.5%53.3%
C94Ruy Lopez, closed, Breyer defence12237.7%53.3%
C88Ruy Lopez, Trajkovic counter-attack29126.8%53.3%
D04Queen's pawn game251430.7%53.3%
C70Ruy Lopez, Caro variation9228.3%53.3%
E77King's Indian, Four pawns attack24633.3%53.3%
D73Neo-Gruenfeld, 5.Nf3126140.2%53.3%
C44Scotch, Lolli variation7718.2%53.2%
C49Four knights, Nimzovich (Paulsen) variation7744.2%53.2%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation20131.8%53.2%
B23Sicilian, closed, 2...Nc6369827.7%53.2%
B94Sicilian, Najdorf, 6.Bg5178025.4%53.2%
C65Ruy Lopez, Berlin defence, Nyholm attack9335.5%53.2%
B07Pirc, Holmov system4729.8%53.2%
C23Bishop's opening39323.9%53.2%
C08French, Tarrasch, open, 4.ed ed373136.9%53.2%
E25Nimzo-Indian, Saemisch variation12636.5%53.2%
A06Reti opening349927.1%53.2%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)166231.3%53.2%
A05Reti, King's Indian attack, Spassky's variation84229.8%53.1%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation63627.0%53.1%
C69Ruy Lopez, exchange variation, Alapin gambit15932.1%53.1%
E92King's Indian, Petrosian system, Stein variation122627.3%53.1%
A14English, Neo-Catalan declined117935.7%53.1%
A22English, Bremen, reverse dragon167434.6%53.1%
D30QGD, Vienna variation123038.6%53.1%
B15Caro-Kann, Alekhine gambit3250.0%53.1%
A82Dutch, Staunton gambit, Tartakower variation1618.8%53.1%
C44Ponziani, Reti variation166.3%53.1%
E60King's Indian, Danube gambit1631.3%53.1%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1631.3%53.1%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence51235.2%53.1%
A09Reti accepted131527.6%53.1%
C02French, advance, Milner-Barry gambit12925.6%53.1%
A34English, symmetrical, Rubinstein system37132.9%53.1%
C15French, Winawer (Nimzovich) variation136432.1%53.1%
C60Ruy Lopez (Spanish opening)16322.7%53.1%
C74Ruy Lopez, Siesta, Kopayev variation13126.7%53.1%
A91Dutch defence21433.2%53.0%
D08QGD, Albin counter-gambit24736.4%53.0%
C66Ruy Lopez, Berlin defence, hedgehog variation16539.4%53.0%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)9919.2%53.0%
E32Nimzo-Indian, classical variation893532.6%53.0%
D05Queen's pawn game224829.4%53.0%
D47QGD semi-Slav, Meran variation323231.5%53.0%
A04Reti opening1579528.2%53.0%
D12QGD Slav, exchange variation45025.1%53.0%
B23Sicilian, closed615126.9%53.0%
D26QGA, 4...e686732.2%53.0%
B44Sicilian defence43529.7%53.0%
A17English opening36931.2%53.0%
A07Reti, King's Indian attack (Barcza system)1060929.8%53.0%
A38English, symmetrical variation76429.2%52.9%
C57Two knights defence, Fritz, Gruber variation1735.3%52.9%
C45Scotch, Tartakower variation1735.3%52.9%
E90King's Indian, Zinnowitz variation10330.1%52.9%
A64Benoni, fianchetto, 11...Re818926.5%52.9%
D47QGD semi-Slav, Meran, Wade variation2197629.3%52.9%
E07Catalan, closed, 6...Nbd719129.3%52.9%
B33Sicilian, Sveshnikov variation324026.7%52.9%
A00Mieses opening50918.5%52.8%
D02Queen's pawn game1488227.7%52.8%
A07Reti, King's Indian attack341633.8%52.8%
A27English, three knights system54927.7%52.8%
A37English, symmetrical variation99229.4%52.8%
A35English, symmetrical, four knights system443230.1%52.8%
D60QGD, Orthodox defence, Botvinnik variation25036.8%52.8%
B40Sicilian defence919329.1%52.8%
B15Caro-Kann, Tartakower (Nimzovich) variation154632.6%52.8%
C11French, Steinitz, Gledhill attack5438.9%52.8%
C21Danish gambit, Soerensen defence3627.8%52.8%
D55QGD, Petrosian variation46939.0%52.8%
C07French, Tarrasch, open variation664432.7%52.8%
C64Ruy Lopez, classical defence, 4.c345528.1%52.7%
A13English opening508825.5%52.7%
B03Alekhine's defence, four pawns attack, 6...Nc67320.5%52.7%
D85Gruenfeld, exchange variation310636.3%52.7%
B54Sicilian, Prins (Moscow) variation48030.8%52.7%
D15QGD Slav, 4.Nc3414028.8%52.7%
B90Sicilian, Najdorf, Adams attack296124.0%52.7%
D93Gruenfeld with Bf4 e372737.4%52.7%
C70Ruy Lopez, Cozio defence deferred16835.1%52.7%
C96Ruy Lopez, closed (8...Na5)5626.8%52.7%
C67Ruy Lopez, Berlin defence, open variation887034.5%52.7%
E12Queen's Indian, 4.Nc3704129.2%52.7%
A05Reti opening1015328.8%52.6%
C41Philidor, Boden variation1910.5%52.6%
C80Ruy Lopez, open, 8.de1921.1%52.6%
B20Sicilian, Keres variation (2.Ne2)119825.8%52.6%
A16English, Anglo-Gruenfeld defense32430.6%52.6%
C48Four knights, Spanish, classical defence17227.3%52.6%
B23Sicilian, Grand Prix attack59726.5%52.6%
B83Sicilian, modern Scheveningen, main line71536.1%52.6%
D10QGD Slav defence, exchange variation326630.8%52.6%
B33Sicilian defence112129.0%52.6%
C53Giuoco Piano563228.0%52.6%
D58QGD, Tartakower (Makagonov-Bondarevsky) system1329232.7%52.6%
B85Sicilian, Scheveningen, classical25238.5%52.6%
D30QGD Slav118331.6%52.6%
B50Sicilian547628.1%52.6%
A15English, 1...Nf6 (Anglo-Indian defense)168027.1%52.6%
B00Reversed Grob (Borg/Basman defence/macho Grob)17616.5%52.6%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg733334.8%52.6%
A28English, four knights, Capablanca variation51029.4%52.5%
B92Sicilian, Najdorf, Opovcensky variation1183229.7%52.5%
A34English, symmetrical, three knights system255435.1%52.5%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7739125.2%52.5%
C02French, advance, Euwe variation374125.2%52.5%
D94Gruenfeld, Smyslov defence26035.8%52.5%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence2055.0%52.5%
C44Scotch gambit, Benima defence6028.3%52.5%
D30QGD, Capablanca-Duras variation82128.3%52.5%
A28English, four knights system66126.0%52.5%
A21English, Kramnik-Shirov counterattack375028.6%52.5%
A17English, Queens Indian formation24125.3%52.5%
E08Catalan, closed, Qc2 & b344528.1%52.5%
D45QGD semi-Slav, Stoltz variation4092230.5%52.5%
A06Reti, old Indian attack32424.7%52.5%
C90Ruy Lopez, closed, Pilnik variation314026.0%52.5%
D17QGD Slav, Carlsbad variation69032.5%52.5%
E73King's Indian, Averbakh system93529.0%52.5%
E40Nimzo-Indian, 4.e3, Taimanov variation12226.2%52.5%
E83King's Indian, Saemisch, Panno formation22923.6%52.4%
E52Nimzo-Indian, 4.e3, main line with ...b697932.1%52.4%
A12English, Torre defensive system42033.8%52.4%
D32QGD, Tarrasch defence, Marshall gambit2138.1%52.4%
E46Nimzo-Indian, Reshevsky variation151428.4%52.4%
A33English, symmetrical, Geller variation340530.3%52.4%
C82Ruy Lopez, open, Motzko attack8538.8%52.4%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)36232.9%52.3%
C30KGD, 2...Nf66426.6%52.3%
C49Four knights, symmetrical, Metger unpin49135.0%52.3%
C12French, MacCutcheon, Lasker variation47119.7%52.3%
A33English, symmetrical variation489234.6%52.3%
D56QGD, Lasker defence54030.2%52.3%
E15Queen's Indian, Rubinstein variation13023.1%52.3%
D67QGD, Orthodox defence, Bd3 line6543.1%52.3%
D63QGD, Orthodox defence, Swiss, Karlsbad variation30529.2%52.3%
C25Vienna game76325.4%52.3%
D05Colle system80830.6%52.3%
B75Sicilian, dragon, Yugoslav attack41528.9%52.3%
D31QGD, semi-Slav, Noteboom variation76527.7%52.3%
D52QGD, Cambridge Springs defence, Capablanca variation4436.4%52.3%
C53Giuoco Piano, Anderssen variation2250.0%52.3%
A20English opening1123428.5%52.3%
C44Ponziani counter-gambit22120.4%52.3%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7219127.9%52.3%
E53Nimzo-Indian, 4.e3, main line with ...c5170636.9%52.3%
A13English opening, Agincourt variation292528.0%52.2%
A25English, closed, 5.Rb171928.5%52.2%
C82Ruy Lopez, open, Dilworth variation9026.7%52.2%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation4520.0%52.2%
A32English, symmetrical variation94629.4%52.2%
B74Sicilian, dragon, classical, Reti-Tartakower variation20334.5%52.2%
E34Nimzo-Indian, classical, Noa variation86233.6%52.2%
C24Bishop's opening, Berlin defence147927.9%52.2%
B96Sicilian, Najdorf, Polugayevsky variation13725.5%52.2%
C50Giuoco Pianissimo201530.3%52.2%
A00Dunst (Sleipner, Heinrichsen) opening195423.2%52.2%
D20QGA, Linares variation6929.0%52.2%
D15QGD Slav, Suechting variation9219.6%52.2%
B13Caro-Kann, Panov-Botvinnik, Herzog defence2326.1%52.2%
A07Reti, King's Indian attack, Keres variation78430.9%52.2%
C80Ruy Lopez, open, 7.Bb351030.6%52.2%
C48Four knights, Spanish variation35127.4%52.1%
B07Pirc, Sveshnikov system117226.8%52.1%
C88Ruy Lopez, closed, anti-Marshall 8.a4164229.0%52.1%
C78Ruy Lopez, Moeller defence80230.4%52.1%
B76Sicilian, dragon, Yugoslav attack, 7...O-O64229.1%52.1%
C53Giuoco Piano, Bird's attack14426.4%52.1%
D54QGD, Anti-neo-orthodox variation4829.2%52.1%
D00Queen's pawn, Mason variation206625.4%52.1%
A00Van't Kruijs opening129826.7%52.1%
E14Queen's Indian, 4.e3286130.0%52.1%
A46Queen's pawn, Torre attack142226.7%52.1%
D19QGD Slav, Dutch variation, main line50834.4%52.1%
C20King's pawn game29120.3%52.1%
E84King's Indian, Saemisch, Panno main line87621.9%52.1%
A00Polish, Tuebingen variation7321.9%52.1%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d570632.4%52.1%
B30Sicilian defence456529.1%52.0%
B19Caro-Kann, classical, 7...Nd793125.0%52.0%
D30QGD298232.0%52.0%
C33KGA, bishop's gambit15021.3%52.0%
D40QGD, Semi-Tarrasch defence, Pillsbury variation5040.0%52.0%
C00French, Steinitz attack5036.0%52.0%
D72Neo-Gruenfeld, 5.cd, main line37731.3%52.0%
A28English, four knights, Nimzovich variation168930.1%52.0%
A07Reti, King's Indian attack, Pachman system25323.3%52.0%
C11French, Burn variation975931.1%52.0%
B32Sicilian defence112929.1%51.9%
C88Ruy Lopez, closed, 7...O-O894229.8%51.9%
B84Sicilian, Scheveningen (Paulsen), classical variation972229.1%51.9%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd34041.5%51.9%
C64Ruy Lopez, classical (Cordel) defence70731.7%51.9%
A57Benko gambit, Zaitsev system7927.8%51.9%
E25Nimzo-Indian, Saemisch, Keres variation42229.9%51.9%
C91Ruy Lopez, closed, Bogolyubov variation641832.1%51.9%
C84Ruy Lopez, closed defence124232.4%51.9%
D46QGD semi-Slav, 6.Bd311029.1%51.8%
B10Caro-Kann, anti-anti-Caro-Kann defence239133.7%51.8%
C70Ruy Lopez, Classical defence deferred53026.2%51.8%
A48King's Indian, London system111728.7%51.8%
A25English, Sicilian reversed111826.7%51.8%
C89Ruy Lopez, Marshall counter-attack401933.6%51.8%
A03Bird's opening, Lasker variation5733.3%51.8%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd557037.5%51.8%
C90Ruy Lopez, closed, Lutikov variation2948.3%51.7%
C71Ruy Lopez, modern Steinitz defence14529.0%51.7%
C69Ruy Lopez, exchange, Bronstein variation56530.4%51.7%
A45Trompovsky attack (Ruth, Opovcensky opening)781624.9%51.7%
A10English, Adorjan defence53936.5%51.7%
C41Philidor, Philidor counter-gambit3016.7%51.7%
D49QGD semi-Slav, Meran, Stahlberg variation9032.2%51.7%
B58Sicilian, classical75635.1%51.7%
E21Nimzo-Indian, three knights variation363129.0%51.6%
D00Queen's pawn, Chigorin variation154722.3%51.6%
A29English, four knights, kingside fianchetto1823730.8%51.6%
D00Blackmar-Diemer gambit3215.6%51.6%
A28English, four knights, 4.e3146328.3%51.5%
B34Sicilian, accelerated fianchetto, modern variation137332.6%51.5%
C26Vienna, Paulsen-Mieses variation112030.9%51.5%
D49QGD semi-Slav, Meran, Blumenfeld variation56329.8%51.5%
D36QGD, exchange, positional line, 6.Qc246533.3%51.5%
B80Sicilian, Scheveningen, fianchetto variation53428.1%51.5%
D40QGD, Semi-Tarrasch defence101333.3%51.5%
B90Sicilian, Najdorf, Byrne (English) attack5130524.9%51.5%
A54Old Indian, Ukrainian variation20830.8%51.4%
E15Queen's Indian, Buerger variation3528.6%51.4%
A01Nimzovich-Larsen attack, English variation42228.0%51.4%
A45Queen's pawn game552326.4%51.4%
C65Ruy Lopez, Berlin defence538829.4%51.4%
D45QGD semi-Slav, 5...Nd7134726.9%51.4%
A37English, symmetrical, Botvinnik system reversed74527.7%51.4%
C50Giuoco Piano, four knights variation14228.2%51.4%
C73Ruy Lopez, modern Steinitz defence, Richter variation24932.9%51.4%
B83Sicilian, Scheveningen, 6.Be285630.6%51.4%
D70Neo-Gruenfeld defence46422.6%51.4%
D55QGD, Neo-orthodox variation, 7.Bxf632637.1%51.4%
C42Petrov, Cozio (Lasker) attack29132.6%51.4%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation62428.4%51.4%
C34KGA, Schallop defence11121.6%51.4%
D02Queen's bishop game362928.5%51.4%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation421731.4%51.3%
D14QGD Slav, exchange, Trifunovic variation22440.2%51.3%
C68Ruy Lopez, exchange, Keres variation29935.8%51.3%
C12French, MacCutcheon variation30530.5%51.3%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation145127.4%51.3%
D02Queen's pawn game, Krause variation84833.5%51.3%
C28Vienna game39129.9%51.3%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)19631.1%51.3%
A01Nimzovich-Larsen attack94426.1%51.3%
E46Nimzo-Indian, 4.e3 O-O19836.9%51.3%
C50Giuoco Pianissimo, Canal variation23830.3%51.3%
B44Sicilian, Szen (`anti-Taimanov') variation100631.5%51.2%
B72Sicilian, dragon, 6.Be328428.5%51.2%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a61538024.8%51.2%
B62Sicilian, Richter-Rauzer, Podvebrady variation4134.1%51.2%
A06Reti, Nimzovich-Larsen attack420331.3%51.2%
B88Sicilian, Sozin, Fischer variation4250.0%51.2%
C43Petrov, modern attack, Trifunovic variation8534.1%51.2%
A25English, closed, Hort variation4332.6%51.2%
A26English, closed system34824.1%51.1%
E81King's Indian, Saemisch, Byrne variation8930.3%51.1%
B80Sicilian, Scheveningen, English variation62624.6%51.1%
E30Nimzo-Indian, Leningrad variation50030.6%51.1%
C64Ruy Lopez, classical defence, Benelux variation 59333.4%51.1%
A46Queen's pawn, Yusupov-Rubinstein system132430.6%51.1%
C45Scotch, Mieses variation211033.2%51.1%
D94Gruenfeld, Makogonov variation23232.3%51.1%
B90Sicilian, Najdorf1305024.6%51.1%
C26Vienna, Falkbeer variation14117.0%51.1%
D00Queen's pawn game213725.2%51.1%
A00Benko's opening1173330.9%51.0%
B57Sicilian, Sozin, Benko variation523329.4%51.0%
C47Four knights, Scotch, 4...exd479336.4%51.0%
A05Reti, King's Indian attack, Reti-Smyslov variation14928.2%51.0%
C50Giuoco Piano201428.8%51.0%
B89Sicilian, Velimirovic attack173024.5%51.0%
E27Nimzo-Indian, Saemisch variation5131.4%51.0%
C12French, MacCutcheon, Chigorin variation5135.3%51.0%
C00French, King's Indian attack754828.5%51.0%
C86Ruy Lopez, Worrall attack, solid line25630.9%51.0%
C42Petrov, Italian variation15519.4%51.0%
D14QGD Slav, exchange variation, 6.Bf4 Bf582831.6%51.0%
E41Nimzo-Indian, 4.e3 c586233.9%50.9%
C52Evans gambit, Tartakower attack10822.2%50.9%
C25Vienna, Paulsen variation70523.0%50.9%
D63QGD, Orthodox defence, Swiss (Henneberger) variation21729.0%50.9%
A61Benoni, Uhlmann variation11029.1%50.9%
C00French, Chigorin variation327624.8%50.9%
A38English, symmetrical, main line with d316735.9%50.9%
C90Ruy Lopez, closed, Suetin variation5724.6%50.9%
C23Bishop's opening, Classical variation11619.0%50.9%
B13Caro-Kann, exchange variation112027.2%50.8%
A13English, Kurajica defence12224.6%50.8%
A00Saragossa opening93719.4%50.8%
E29Nimzo-Indian, Saemisch, Capablanca variation13040.0%50.8%
A41Old Indian defence347725.7%50.8%
C00French, Schlechter variation47531.6%50.7%
D30QGD, Hastings variation75635.6%50.7%
E60Queen's pawn, Mengarini attack14124.8%50.7%
A34English, symmetrical variation193526.9%50.7%
A08Reti, King's Indian attack, French variation115531.1%50.7%
D97Gruenfeld, Russian variation with e47431.1%50.7%
C56Two knights defence7834.6%50.6%
B10Caro-Kann, closed (Breyer) variation191424.6%50.6%
A01Nimzovich-Larsen attack, Dutch variation16721.0%50.6%
A12English, London defensive system42230.6%50.6%
D15QGD Slav accepted34827.0%50.6%
D00Queen's pawn, Mason variation, Steinitz counter-gambit61830.9%50.6%
D30QGD Slav, Semmering variation26933.5%50.6%
B25Sicilian, closed, 6.f490829.1%50.6%
C77Ruy Lopez, Wormald (Alapin) attack66933.2%50.5%
D39QGD, Ragozin, Vienna variation155636.6%50.5%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d529634.1%50.5%
C44Scotch gambit10526.7%50.5%
D03Torre attack (Tartakower variation)95023.3%50.5%
E12Queen's Indian defence53129.0%50.5%
C39KGA, Kieseritsky, Kolisch defence10834.3%50.5%
E73King's Indian, 5.Be211421.9%50.4%
A22English opening106425.7%50.4%
D35QGD, Harrwitz attack11935.3%50.4%
C20KP, Indian opening25027.2%50.4%
C07French, Tarrasch, Eliskases variation12736.2%50.4%
C45Scotch, Schmidt variation102939.9%50.4%
A00Polish (Sokolsky) opening156428.3%50.4%
E70King's Indian, accelerated Averbakh system13327.1%50.4%
C49Four knights13435.1%50.4%
A12English, Caro-Kann defensive system, Bogolyubov variation14022.1%50.4%
C46Four knights game98129.6%50.4%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)28142.3%50.4%
B83Sicilian, modern Scheveningen86730.6%50.3%
C27Vienna game29825.5%50.3%
A36English, symmetrical, Botvinnik system reversed15927.7%50.3%
B53Sicilian, Chekhover variation107637.4%50.3%
B70Sicilian, dragon variation80530.2%50.2%
C84Ruy Lopez, closed, centre attack22432.6%50.2%
A28English, four knights, Romanishin variation119734.1%50.2%
C00French, Two knights variation96725.1%50.2%
C44Scotch gambit, Dubois-Reti defence66031.5%50.2%
D97Gruenfeld, Russian, Byrne (Simagin) variation35525.9%50.1%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7162834.8%50.1%
A48King's Indian, Torre attack187229.4%50.1%
C89Ruy Lopez, Marshall, Herman Steiner variation365.6%50.0%
C35KGA, Cunningham, Bertin gambit20.0%50.0%
D20QGA, Schwartz defence2100.0%50.0%
B12Caro-Masi defence1414.3%50.0%
A83Dutch, Staunton gambit, Nimzovich variation714.3%50.0%
E78King's Indian, Four pawns attack, with Be2 and Nf33237.5%50.0%
C60Ruy Lopez, Vinogradov variation933.3%50.0%
C68Ruy Lopez, exchange, Romanovsky variation1323.1%50.0%
C37KGA, Lolli gambit (wild Muzio gambit)1100.0%50.0%
C89Ruy Lopez, Marshall, main line, Spassky variation1100.0%50.0%
C54Giuoco Piano, Greco variation1100.0%50.0%
D83Gruenfeld, Gruenfeld gambit7031.4%50.0%
E93King's Indian, Petrosian system, Keres variation2828.6%50.0%
A00Amsterdam attack933.3%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation1100.0%50.0%
C15French, Winawer, Alekhine gambit, Alatortsev variation1100.0%50.0%
C12French, MacCutcheon, Tartakower variation450.0%50.0%
B01Scandinavian, Mieses-Kotrvc gambit267.7%50.0%
A83Dutch, Staunton gambit, Lasker variation1323.1%50.0%
B25Sicilian, closed26731.1%50.0%
B74Sicilian, dragon, classical, 9.Nb326437.9%50.0%
C31KGD, Falkbeer, 3...e41020.0%50.0%
C17French, Winawer, advance, Rauzer variation955.6%50.0%
C55Two knights, Max Lange attack, Marshall variation450.0%50.0%
C23Bishop's opening, Lewis counter-gambit633.3%50.0%
C42Petrov, classical attack, Krause variation1100.0%50.0%
C25Vienna, Steinitz gambit, Fraser-Minckwitz variation714.3%50.0%
D26QGA, classical, Furman variation560.0%50.0%
D95Gruenfeld with e3 & Qb37337.0%50.0%
B12de Bruycker defence2330.4%50.0%
C27Boden-Kieseritsky gambit6016.7%50.0%
D49QGD semi-Slav, Meran, Rellstab attack3633.3%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1844.4%50.0%
C31KGD, Falkbeer counter-gambit8022.5%50.0%
C52Evans gambit, Leonhardt variation2100.0%50.0%
C35KGA, Cunningham, Euwe defence7132.4%50.0%
E77King's Indian, Four pawns attack, 6.Be2933.3%50.0%
C44Inverted Hungarian5129.4%50.0%
C64Ruy Lopez, classical defence, Boden variation1100.0%50.0%
B20Sicilian, Gloria variation1020.0%50.0%
A43Woozle defence4015.0%50.0%
A51Budapest, Fajarowicz, Steiner variation3100.0%50.0%
C41Philidor, Hanham, Kmoch variation20.0%50.0%
C44Ponziani, Leonhardt variation6036.7%50.0%
B02Alekhine's defence, Kmoch variation60.0%50.0%
C32KGD, Falkbeer, Reti variation560.0%50.0%
A82Dutch, Balogh defence1323.1%50.0%
B83Sicilian, modern Scheveningen, main line with Nb316323.9%50.0%
C41Philidor, Nimzovich, Sokolsky variation520.0%50.0%
C32KGD, Falkbeer, 5.de4126.8%50.0%
C44Scotch, Goering gambit18631.2%50.0%
C25Vienna, Steinitz gambit, Zukertort defence1100.0%50.0%
C59Two knights defence, Goering variation20.0%50.0%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc62321.7%50.0%
C88Ruy Lopez, closed, 8.c34825.0%50.0%
C86Ruy Lopez, Worrall attack, sharp line28032.9%50.0%
A45Canard opening2718.5%50.0%
D12QGD Slav, Landau variation1100.0%50.0%
C22Centre game, Charousek variation714.3%50.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
A43Old Benoni, Schmid's system2630.8%50.0%
E76King's Indian, Four pawns attack, dynamic line17132.2%50.0%
E83King's Indian, Saemisch, Ruban variation1020.0%50.0%
C30KGD, classical, Svenonius variation520.0%50.0%
C30KGD, classical, Marshall attack1127.3%50.0%
D31QGD, semi-Slav, Koomen variation560.0%50.0%
D69QGD, Orthodox defence, classical, 13.de2458.3%50.0%
C38King's knight's gambit911.1%50.0%
C52Evans gambit, Lasker defence1040.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system1323.1%50.0%
C55Giuoco piano1100.0%50.0%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack1100.0%50.0%
A66Benoni, Mikenas variation450.0%50.0%
A00Amar gambit1216.7%50.0%
C74Ruy Lopez, modern Steinitz defence, siesta variation5328.3%50.0%
C57Two knights defence, Fritz variation1233.3%50.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.20.0%50.0%
C48Four knights, Spielmann variation633.3%50.0%
C80Ruy Lopez, open, Zukertort variation714.3%50.0%
D57QGD, Lasker defence, Bernstein variation2937.9%50.0%
C32KGD, Falkbeer, Keres variation1100.0%50.0%
C12French, MacCutcheon, Grigoriev variation955.6%50.0%
C39King's knight's gambit20.0%50.0%
B07Pirc, Chinese variation20.0%50.0%
C59Two knights defence, Knorre variation1100.0%50.0%
C30KGD, Norwalde variation1428.6%50.0%
B21Sicilian, Smith-Morra gambit113228.5%50.0%
A01Nimzovich-Larsen attack, modern variation300630.7%49.9%
C02French, advance, Steinitz variation72527.9%49.9%
D80Gruenfeld, Stockholm variation61135.4%49.9%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation54132.9%49.9%
C77Ruy Lopez, Anderssen variation142730.0%49.9%
A00Clemenz (Mead's, Basman's or de Klerk's) opening516423.1%49.9%
A01Nimzovich-Larsen attack, symmetrical variation61730.3%49.8%
B15Caro-Kann defence62025.0%49.8%
A02Bird's opening287829.5%49.8%
C00French defence, Steiner variation112128.1%49.7%
D23Queen's gambit accepted18129.8%49.7%
A36English, symmetrical variation17526.3%49.7%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system80328.6%49.7%
D00Levitsky attack (Queen's bishop attack)271125.0%49.7%
D91Gruenfeld, 5.Bg5208632.0%49.7%
C11French defence63226.1%49.6%
C44Ponziani, Caro variation12235.2%49.6%
D15QGD Slav, 5.e3 (Alekhine variation)36023.6%49.6%
E00Neo-Indian (Seirawan) attack58224.2%49.6%
E12Queen's Indian, 4.Nc3, Botvinnik variation11328.3%49.6%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed100233.6%49.6%
B93Sicilian, Najdorf, 6.f4258329.4%49.5%
D94Gruenfeld, Opovcensky variation21237.7%49.5%
B88Sicilian, Sozin, Leonhardt variation72134.0%49.4%
B21Sicilian, Grand Prix attack233025.5%49.4%
C49Four knights, symmetrical variation52331.5%49.4%
E25Nimzo-Indian, Saemisch, Romanovsky variation17142.7%49.4%
B01Scandinavian, Icelandic gambit7731.2%49.4%
D40QGD, Semi-Tarrasch, symmetrical variation7632.9%49.3%
E61King's Indian, Smyslov system15026.7%49.3%
C90Ruy Lopez, closed (with ...d6)244027.7%49.3%
A47Queen's Indian, Marienbad system14730.6%49.3%
E24Nimzo-Indian, Saemisch variation21932.9%49.3%
B73Sicilian, dragon, classical, Richter variation21536.3%49.3%
B98Sicilian, Najdorf variation21424.8%49.3%
A00Polish, Outflank variation28224.8%49.3%
C29Vienna gambit26930.1%49.3%
B96Sicilian, Najdorf, 7.f4214123.3%49.3%
C00French, Labourdonnais variation64725.5%49.2%
E41Nimzo-Indian, e3, Huebner variation96525.5%49.2%
C31KGD, Nimzovich counter-gambit6224.2%49.2%
D49QGD semi-Slav, Meran, Sozin variation41840.0%49.2%
A23English, Bremen system, Keres variation46733.2%49.1%
B24Sicilian, closed63527.7%49.1%
C22Centre game, Paulsen attack11435.1%49.1%
A90Dutch-Indian, Alekhine variation11230.4%49.1%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation11038.2%49.1%
B89Sicilian, Sozin, 7.Be3437627.0%49.1%
D00Queen's pawn, stonewall attack10326.2%49.0%
C55Two knights, Max Lange attack10221.6%49.0%
C15French, Winawer, Alekhine gambit, Kan variation20034.0%49.0%
B58Sicilian, Boleslavsky variation89133.1%49.0%
C30KGD, Keene's defence4924.5%49.0%
C44Inverted Hanham4725.5%48.9%
E17Queen's Indian, 5.Bg2 Be79434.0%48.9%
C41Philidor, Nimzovich (Jaenisch) variation9131.9%48.9%
A36English, ultra-symmetrical variation225327.8%48.9%
C41Philidor, Nimzovich, Sozin variation4517.8%48.9%
C48Four knights, Rubinstein counter-gambit, exchange variation13342.1%48.9%
A22English, Bremen, Smyslov system273328.0%48.9%
D44QGD semi-Slav, 5.Bg5 dc43833.3%48.9%
C00French, Pelikan variation8726.4%48.9%
C51Evans gambit, Cordel variation13031.5%48.8%
C80Ruy Lopez, open (Tarrasch) defence12638.9%48.8%
D48QGD semi-Slav, Meran, 8...a6707331.0%48.8%
B90Sicilian, Najdorf, Lipnitzky attack238829.0%48.7%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3298328.8%48.7%
B10Caro-Kann, Goldman (Spielmann) variation11522.6%48.7%
E46Nimzo-Indian, Simagin variation11428.9%48.7%
A00Benko's opening, reversed Alekhine11326.5%48.7%
A12English, Capablanca's variation7528.0%48.7%
C17French, Winawer, advance, Russian variation7427.0%48.6%
B13Caro-Kann, Panov-Botvinnik, normal variation25836.0%48.6%
E26Nimzo-Indian, Saemisch variation14726.5%48.6%
C55Two knights defence, Perreux variation3630.6%48.6%
A03Bird's opening305424.4%48.6%
A26English, Botvinnik system42324.8%48.6%
A25English, closed system (without ...d6)10424.0%48.6%
D90Gruenfeld, Flohr variation31135.4%48.6%
C46Four knights, Italian variation41429.5%48.6%
A01Nimzovich-Larsen attack, classical variation185926.8%48.5%
D52QGD, Cambridge Springs defence, Argentine variation3324.2%48.5%
C89Ruy Lopez, Marshall, main line, 14...Qh3101140.5%48.4%
B20Sicilian defence652624.1%48.4%
A07Reti, King's Indian attack (with ...c5)43525.5%48.4%
D32QGD, Tarrasch defence, 4.cd ed3125.8%48.4%
C29Vienna gambit, Steinitz variation3125.8%48.4%
B87Sicilian, Sozin with ...a6 and ...b5139127.9%48.4%
B44Sicilian, Szen, hedgehog variation41830.6%48.3%
C89Ruy Lopez, Marshall counter-attack, 11...c6116035.1%48.3%
B26Sicilian, closed, 6.Be358225.8%48.3%
C88Ruy Lopez, closed421127.5%48.3%
C33KGA, bishop's gambit, Maurian defence2927.6%48.3%
E49Nimzo-Indian, 4.e3, Botvinnik system45129.5%48.2%
C20Alapin's opening11023.6%48.2%
C45Scotch, Potter variation30133.9%48.2%
B23Sicilian, closed, Korchnoi variation38232.5%48.2%
C77Ruy Lopez, Morphy defence, Duras variation10831.5%48.1%
B62Sicilian, Richter-Rauzer, 6...e618626.3%48.1%
A00Novosibirsk opening258.0%48.0%
D12QGD Slav, Amsterdam variation7335.6%47.9%
C33KGA, bishop's gambit, Morphy variation4825.0%47.9%
C55Two knights, Max Lange attack, Schlechter variation9434.0%47.9%
D48QGD semi-Slav, Meran37323.3%47.9%
D29QGA, classical, 8...Bb779131.7%47.9%
A52Budapest, Alekhine variation6822.1%47.8%
A00Grob's attack24721.1%47.8%
A09Reti, advance variation166225.4%47.7%
D52QGD, Cambridge Springs defence8749.4%47.7%
C51Evans gambit declined, 5.a410828.7%47.7%
D44QGD semi-Slav, Botvinnik system (anti-Meran)38024.7%47.6%
E92King's Indian, classical variation2128.6%47.6%
C55Two knights defence16627.7%47.6%
A00Anderssen's opening70321.9%47.5%
C78Ruy Lopez, ...b5 & ...d610027.0%47.5%
C34KGA, Fischer defence24022.5%47.5%
C59Two knights defence18026.1%47.5%
B02Alekhine's defence, Two pawns' (Lasker's) attack15841.8%47.5%
B02Alekhine's defence, Maroczy variation27023.0%47.4%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation1931.6%47.4%
A00Ware (Meadow Hay) opening20521.5%47.3%
B97Sicilian, Najdorf, 7...Qb6277423.7%47.3%
C51Evans gambit declined, Showalter variation1838.9%47.2%
C44King's pawn game7126.8%47.2%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)10624.5%47.2%
A02Bird, From gambit8826.1%47.2%
A06Santasiere's folly14035.7%47.1%
E53Nimzo-Indian, 4.e3, Keres variation12233.6%47.1%
E75King's Indian, Averbakh, main line5232.7%47.1%
A45Queen's pawn, Bronstein gambit1711.8%47.1%
C44Ponziani, Jaenisch counter-attack73031.8%47.0%
E24Nimzo-Indian, Saemisch, Botvinnik variation3327.3%47.0%
D24QGA, Bogolyubov variation27716.6%46.9%
A17English, Queens Indian, Romanishin variation4835.4%46.9%
D50QGD, Been-Koomen variation1631.3%46.9%
C61Ruy Lopez, Bird's defence, Paulsen variation1631.3%46.9%
E60King's Indian, 3.g3, counterthrust variation1631.3%46.9%
A58Benko gambit, Nd2 variation1631.3%46.9%
C00French, Alapin variation4814.6%46.9%
B71Sicilian, dragon, Levenfish variation9536.8%46.8%
C02French, advance, Nimzovich system32919.5%46.8%
E20Nimzo-Indian defence28129.5%46.8%
A00Lasker simul special14027.9%46.8%
D15QGD Slav, Slav gambit38825.5%46.8%
A83Dutch, Staunton gambit, Staunton's line24726.3%46.8%
A13English, Wimpey system35431.4%46.8%
B20Sicilian, wing gambit9123.1%46.7%
D30QGD, Capablanca variation6020.0%46.7%
C33KGA, bishop's gambit, Bogolyubov variation4517.8%46.7%
C48Four knights, Ranken variation2924.1%46.6%
C44Dresden opening5820.7%46.6%
C30KGD, classical variation24621.5%46.5%
C25Vienna game, Max Lange defence7223.6%46.5%
C42Petrov, Cochrane gambit4314.0%46.5%
C42Petrov, Paulsen attack28227.0%46.5%
B98Sicilian, Najdorf, Goteborg (Argentine) variation1435.7%46.4%
A20English, Nimzovich, Flohr variation67029.6%46.4%
B01Scandinavian gambit19531.3%46.4%
C34King's knight's gambit8116.0%46.3%
C44Scotch, Relfsson gambit ('MacLopez')4012.5%46.3%
D01Richter-Veresov attack128726.6%46.2%
C57Two knights defence, Fegatello attack7936.7%46.2%
E60King's Indian, Anti-Gruenfeld14122.7%46.1%
C80Ruy Lopez, open, 8...Be6135032.3%46.1%
E31Nimzo-Indian, Leningrad, main line21921.5%45.9%
C44Konstantinopolsky opening2416.7%45.8%
B50Sicilian, wing gambit deferred3619.4%45.8%
C37KGA, Salvio gambit1225.0%45.8%
E10Doery defence10823.1%45.8%
C33KGA, bishop's gambit, Steinitz defence8129.6%45.7%
C60Ruy Lopez, Lucena defence2321.7%45.7%
C43Petrov, Urusov gambit468.7%45.7%
C66Ruy Lopez, closed Berlin defence, Bernstein variation3438.2%45.6%
C45Scotch, Romanishin variation3426.5%45.6%
A28English, Nenarokov variation7932.9%45.6%
C39KGA, Kieseritsky, Berlin defence, 6.Bc45630.4%45.5%
C45Scotch, Steinitz variation5623.2%45.5%
B72Sicilian, dragon, classical, Nottingham variation8930.3%45.5%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1136.4%45.5%
D00Blackmar-Diemer, Euwe defence110.0%45.5%
C65Ruy Lopez, Berlin defence, Kaufmann variation1118.2%45.5%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit229.1%45.5%
C33KGA, bishop's gambit, Bledow variation5532.7%45.5%
A25English, closed, Taimanov variation3336.4%45.5%
C35KGA, Cunningham defence11021.8%45.5%
C65Ruy Lopez, Berlin defence, Duras variation3234.4%45.3%
C20KP, Lopez opening6235.5%45.2%
C24Bishop's opening, Urusov gambit3125.8%45.2%
B37Sicilian, accelerated fianchetto, Simagin variation1030.0%45.0%
C67Ruy Lopez, Berlin defence, Winawer attack1070.0%45.0%
C33KGA, bishop's gambit, Ruy Lopez defence1050.0%45.0%
B86Sicilian, Sozin attack25827.1%45.0%
D31QGD, semi-Slav, Abrahams variation85130.4%44.9%
C36KGA, Abbazia defence, modern variation22733.5%44.9%
A80Dutch, Krejcik gambit19631.6%44.9%
C60Ruy Lopez, Nuernberg variation1936.8%44.7%
B72Sicilian, dragon, classical, Amsterdam variation6338.1%44.4%
C51Evans gambit, Paulsen variation3611.1%44.4%
C33King's gambit accepted922.2%44.4%
C51Evans gambit, Stone-Ware variation6123.0%44.3%
A21English, Keres variation2634.6%44.2%
B97Sicilian, Najdorf, Poisoned pawn variation351827.3%44.2%
C33KGA, Keres (Mason-Steinitz) gambit439.3%44.2%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc63423.5%44.1%
D35QGD, 3...Nf620433.3%44.1%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack4231.0%44.0%
A28English, Bradley Beach variation19329.0%44.0%
C00French, Wing gambit5012.0%44.0%
D95Gruenfeld, Botvinnik variation11631.0%44.0%
B22Sicilian, 2.c3, Heidenfeld variation4926.5%43.9%
D15QGD Slav, Tolush-Geller gambit35725.5%43.8%
B80Sicilian, Scheveningen, Vitolins variation11318.6%43.8%
C11French, Swiss variation13730.7%43.8%
C14French, classical, Pollock variation1612.5%43.8%
C33KGA, bishop's gambit, Paulsen attack812.5%43.8%
C47Four knights, Belgrade gambit26525.3%43.6%
C68Ruy Lopez, exchange, Alekhine variation7732.5%43.5%
E03Catalan, open, Alekhine variation156.7%43.3%
C22Centre game, Hall variation1533.3%43.3%
C67Ruy Lopez, Berlin defence, Zukertort variation1560.0%43.3%
D01Richter-Veresov attack, Richter variation6741.8%43.3%
C67Ruy Lopez, open Berlin defence, l'Hermet variation10235.3%43.1%
A04Reti, Lisitsin gambit deferred5820.7%43.1%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit16627.1%43.1%
D27QGA, classical, Geller variation8632.6%43.0%
A12English, New York (London) defensive system5034.0%43.0%
C31KGD, Falkbeer, Nimzovich variation70.0%42.9%
D32QGD, Tarrasch defence, Tarrasch gambit728.6%42.9%
B45Sicilian, Taimanov, American attack2157.1%42.9%
A68Benoni, four pawns attack140.0%42.9%
C70Ruy Lopez, Alapin's defence deferred70.0%42.9%
C89Ruy Lopez, Marshall, Kevitz variation1428.6%42.9%
C33KGA, Villemson (Steinitz) gambit728.6%42.9%
C34KGA, Bonsch-Osmolovsky variation4928.6%42.9%
A03Mujannah opening70.0%42.9%
D67QGD, Orthodox defence, Bd3 line, Janowski variation757.1%42.9%
C44Scotch opening6227.4%42.7%
A69Benoni, four pawns attack, main line9532.6%42.6%
C56Two knights defence, Canal variation2748.1%42.6%
B34Sicilian, accelerated fianchetto, exchange variation2733.3%42.6%
C51Evans gambit declined2733.3%42.6%
C49Four knights, symmetrical, Pillsbury variation4725.5%42.6%
C46Four knights, Gunsberg variation12729.9%42.5%
A22English, Bellon gambit2015.0%42.5%
C27Vienna, Alekhine variation11326.5%42.5%
E30Nimzo-Indian, Leningrad, ...b5 gambit3842.1%42.1%
D00Blackmar gambit8829.5%42.0%
D31QGD, Alapin variation4216.7%41.7%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation3036.7%41.7%
B40Sicilian, Marshall variation2416.7%41.7%
C40King's knight opening616.7%41.7%
B00KP, Nimzovich defence, Marshall gambit616.7%41.7%
C52Evans gambit, Waller attack616.7%41.7%
C51Evans gambit, normal variation1233.3%41.7%
E77King's Indian, Four pawns attack, Florentine gambit4129.3%41.5%
A00Amar (Paris) opening7622.4%41.4%
C33KGA, Carrera (Basman) gambit3531.4%41.4%
A45Paleface attack19119.9%41.4%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation2365.2%41.3%
C38KGA, Hanstein gambit2321.7%41.3%
D59QGD, Tartakower variation20446.1%41.2%
A82Dutch, Staunton gambit16530.9%40.9%
B02Alekhine's defence, Welling variation3327.3%40.9%
D63QGD, Orthodox defence, Pillsbury attack2744.4%40.7%
C33KGA, bishop's gambit, Cozio (Morphy) defence3231.3%40.6%
A00Gedult's opening3116.1%40.3%
D44QGD semi-Slav, anti-Meran, Szabo variation22719.8%40.3%
C00French, Reversed Philidor formation8229.3%40.2%
E26Nimzo-Indian, Saemisch, O'Kelly variation4126.8%40.2%
B20Sicilian, wing gambit, Marshall variation46126.5%40.1%
C44Scotch, Goering gambit, Bardeleben variation1020.0%40.0%
C39KGA, Kieseritsky, Paulsen defence540.0%40.0%
C23Bishop's opening, Lewis gambit540.0%40.0%
B03Alekhine's defence, exchange, Karpov variation540.0%40.0%
C58Two knights defence, Yankovich variation540.0%40.0%
C34KGA, Becker defence4918.4%39.8%
C21Halasz gambit4727.7%39.4%
C13French, classical, Anderssen variation4621.7%39.1%
D65QGD, Orthodox defence, Rubinstein attack, main line2334.8%39.1%
D89Gruenfeld, exchange, Sokolsky variation6434.4%39.1%
C52Evans gambit26726.2%39.0%
E14Queen's Indian, Averbakh variation933.3%38.9%
C32KGD, Falkbeer, main line, 7...Bf5977.8%38.9%
C39KGA, Kieseritsky, Berlin defence5815.5%38.8%
D44QGD semi-Slav, Ekstrom variation5320.8%38.7%
B15Caro-Kann, Rasa-Studier gambit1330.8%38.5%
E23Nimzo-Indian, Spielmann, Karlsbad variation1729.4%38.2%
C88Ruy Lopez, closed, 7...d6, 8.d413124.4%38.2%
C49Four knights, Janowski variation2138.1%38.1%
C24Bishop's opening, Ponziani gambit2128.6%38.1%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation2528.0%38.0%
C46Four knights, Schultze-Mueller gambit2528.0%38.0%
C54Giuoco Piano, Moeller (Therkatz) attack2544.0%38.0%
A46Queen's pawn, Torre attack, Wagner gambit2920.7%37.9%
A43Hawk (Habichd) defence425.0%37.5%
B02Alekhine's defence, Steiner variation825.0%37.5%
C80Ruy Lopez, open, Friess attack850.0%37.5%
A84Dutch, Staunton gambit deferred1625.0%37.5%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation850.0%37.5%
C54Giuoco Piano, Greco's attack425.0%37.5%
D21QGA, Alekhine defense, Borisenko-Furman variation4429.5%37.5%
A25English, closed, 5.Rb1 Taimanov variation425.0%37.5%
A38English, symmetrical, main line with b31136.4%36.4%
B02Alekhine's defence, Krejcik variation1827.8%36.1%
C25Vienna, Pierce gambit1816.7%36.1%
C57Two knights defence6720.9%35.8%
C33KGA, bishop's gambit, Boden defence1414.3%35.7%
C45Scotch, Paulsen attack1631.3%34.4%
C41Philidor, Nimzovich, Larobok variation5141.2%34.3%
E20Nimzo-Indian, Mikenas attack1926.3%34.2%
C51Evans gambit, 5...Be7966.7%33.3%
A56Vulture defence30.0%33.3%
C01French, exchange, Bogolyubov variation922.2%33.3%
A57Benko gambit, Nescafe Frappe attack120.0%33.3%
C11French, Steinitz, Bradford attack30.0%33.3%
D50QGD, Semi-Tarrasch, Krause variation366.7%33.3%
C80Ruy Lopez, open, Berger variation666.7%33.3%
C37KGA, King's knight's gambit30.0%33.3%
C27Boden-Kieseritsky gambit, Lichtenhein defence633.3%33.3%
C40Latvian, Polerio variation60.0%33.3%
C67Ruy Lopez, Berlin defence, Pillsbury variation366.7%33.3%
C21Danish gambit, Collijn defence30.0%33.3%
C30KGD, classical, Heath variation366.7%33.3%
D50QGD, Canal (Venice) variation30.0%33.3%
C37KGA, Salvio gambit, Anderssen counter-attack30.0%33.3%
C80Ruy Lopez, open, Richter variation30.0%33.3%
D55QGD, Pillsbury attack30.0%33.3%
C80Ruy Lopez, open, Schlechter defence2339.1%32.6%
C11French, Henneberger variation3138.7%32.3%
C51Evans gambit declined, Cordel variation1330.8%30.8%
C13French, classical, Anderssen-Richter variation1315.4%30.8%
B23Sicilian, Grand Prix attack, Schofman variation1827.8%30.6%
C37KGA, Blachly gambit2520.0%30.0%
C33KGA, Breyer gambit2040.0%30.0%
C25Vienna, Hamppe-Allgaier gambit520.0%30.0%
A02Bird, From gambit, Lipke variation520.0%30.0%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit3125.8%29.0%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation728.6%28.6%
C29Vienna gambit, Bardeleben variation1428.6%28.6%
C44Tayler opening728.6%28.6%
A42Modern defence, Averbakh system, Randspringer variation728.6%28.6%
C02French, advance, Nimzovich variation5125.5%28.4%
A00Battambang opening933.3%27.8%
C52Evans gambit, Levenfish variation250.0%25.0%
C52Evans gambit, Richardson attack616.7%25.0%
C39KGA, Kieseritsky, Rice gambit2250.0%25.0%
D43QGD semi-Slav, Hastings variation825.0%25.0%
C33KGA, bishop's gambit, Bryan counter-gambit250.0%25.0%
B05Alekhine's defence, modern, Vitolins attack850.0%25.0%
A46Doery defence250.0%25.0%
C23Bishop's opening, Calabrese counter-gambit250.0%25.0%
C38KGA, Philidor gambit40.0%25.0%
C30KGD, classical, Hanham variation250.0%25.0%
C14French, classical variation2412.5%22.9%
C33KGA, bishop's gambit, classical defence119.1%22.7%
B73Sicilian, dragon, classical, Zollner gambit2035.0%22.5%
D34QGD, Tarrasch, Bogolyubov variation742.9%21.4%
A00Grob, Fritz gambit3910.3%20.5%
E36Nimzo-Indian, classical, Noa variation, main line50.0%20.0%
C45Scotch, Blumenfeld attack1040.0%20.0%
C38KGA, Philidor gambit, Schultz variation50.0%20.0%
A80Dutch, Von Pretzel gambit333.3%16.7%
A80Dutch, Spielmann gambit333.3%16.7%
C37KGA, Muzio gambit119.1%13.6%
C37KGA, Quaade gambit137.7%11.5%
C65Ruy Lopez, Berlin defence, Anderssen variation616.7%8.3%
C57Two knights defence, Fegatello attack, Leonhardt variation30.0%0.0%
C98Ruy Lopez, closed, Chigorin, Rauzer attack10.0%0.0%
C34KGA, Gianutio counter-gambit10.0%0.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%0.0%
C44Ponziani counter-gambit, Schmidt attack10.0%0.0%
D08QGD, Albin counter-gambit, Balogh variation10.0%0.0%
C32KGD, Falkbeer, Charousek variation10.0%0.0%
C45Scotch, Rosenthal variation10.0%0.0%
C29Vienna gambit, Heyde variation10.0%0.0%
C37KGA, double Muzio gambit10.0%0.0%
C37KGA, Ghulam Kassim gambit10.0%0.0%
C57Two knights defence, Fegatello attack, Polerio defence10.0%0.0%
C37KGA, Silberschmidt gambit20.0%0.0%
C51Evans gambit60.0%0.0%
D51QGD, Rochlin variation10.0%0.0%

Created in 2005-2013 by CCRL team
Last games added on June 16, 2018