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

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