YottaChess chess database openings statistics - BETA

Data about analyzed chess games from YottaChess database

Statistics by opening name

Clicking on the ECO code (opening nomenclature) will take you to the chess opening book to see the moves along with the module, most important games, etc.

Acronyms used

  • White ELO average (WEA)
  • Black ELO average (BEA)
  • Black wins (BW)
  • White wins (WW)
  • Draws (D)
  • White Centipawn Loss (WCL)
  • Black Centipawn Loss (BCL)
Opening Games BW WW D WEA BEA WCL BCL
A00 - Ware Opening: Wing Gambit 164825 73086 68485 23086 1552 1553 83 87
C50 - Italian Game: Schilling-Kostic Gambit 66977 30428 26696 9834 1500 1489 94 101
D02 - Queens Pawn Game: Zukertort Variation 66415 28886 22418 15087 1773 1765 60 69
B01 - Scandinavian Defense: Zilbermints Gambit 57221 24404 20877 11911 1809 1801 65 70
B22 - Sicilian Defense: Alapin Variation, Stoltz Attack, Ivanchuk Line 44216 16520 16021 11668 1973 2002 50 53
D00 - Veresov Opening: Malich Gambit 42351 17153 17534 7651 1743 1740 76 76
B07 - Rat Defense: Petruccioli Attack 41040 17727 14459 8840 1969 1966 58 64
C01 - French Defense: Winawer Variation, Exchange Variation, Canal Attack 39310 13866 15333 10099 1723 1765 62 61
C02 - French Defense: Advance, Steinitz Variation 35896 13392 15743 6748 1798 1814 69 65
C55 - Italian Game: Two Knights Defense, Perreux Variation 34146 14287 14512 5338 1585 1607 94 93
C42 - Russian Game: Urusov Gambit 32145 13959 10110 8060 1858 1840 66 78
B23 - Sicilian Defense: Marshall Gambit 32127 12728 13133 6262 1891 1914 63 64
B06 - Robatsch (Modern) Defense 31994 13183 12167 6639 1998 2028 59 64
C45 - Scotch Game: Tartakower Variation 31421 14453 10461 6495 1788 1772 64 77
C41 - Philidor Defense: Steinitz Variation 30133 15497 9074 5553 1856 1841 63 85
C00 - St. George Defense, 2. d4 a6 29816 11508 12892 5411 1875 1856 76 68
C54 - Italian Game: Giuoco Piano, Therkatz-Herzog Variation 27743 13222 8870 5647 1716 1687 66 82
B33 - Sicilian Defense: Open, 3. d4 cxd4 4. Nxd4 Nf6 27557 10213 9887 7442 2052 2065 48 48
B12 - Slav Defense: Diemer Gambit 27341 11478 9826 6030 2011 1999 55 60
B30 - Sicilian Defense: Old Sicilian 26819 8839 12945 5018 1889 1899 75 59
B50 - Sicilian Defense: Wing Gambit, Deferred Variation 26255 8092 13517 4642 1767 1800 80 61
A45 - Trompowsky Attack: Raptor Variation, Hergert Gambit 24787 9547 10131 5103 2028 2039 60 58
C44 - Tayler Opening 24482 12419 8558 3501 1665 1640 80 99
B00 - Ware Defense 22911 10881 8357 3665 1825 1840 71 85
B40 - Sicilian Defense: Wing Gambit Deferred 21878 7772 9942 4157 1892 1914 69 61
A48 - Torre Attack: Fianchetto Defense, Euwe Variation 21497 7182 8952 5356 1936 1981 56 50
B13 - Caro-Kann Defense: Panov-Botvinnik, Herzog Defense 21020 7356 8411 5244 1802 1834 58 54
A40 - Ware Defense: Snagglepuss Defense 20906 9857 7256 3786 1925 1937 66 81
B08 - Pirc Defense: Classical Variation, Schlechter Variation 20600 7512 8117 4968 1875 1913 60 58
C47 - Four Knights: Scotch Variation, Belgrade Gambit, Modern Defense 20240 8051 7896 4290 1709 1708 80 81
B90 - Sicilian Defense: Najdorf, Lipnitsky Attack 19913 7187 7579 5141 2141 2154 48 46
B20 - Sicilian Defense: Wing Gambit, Santasiere Variation 19870 6637 9983 3241 1869 1910 80 62
B21 - Sicilian Defense: Smith-Morra Gambit, Chicago Defense 18850 6979 8443 3428 1777 1829 69 65
D35 - Queens Gambit Declined: Normal Defense 18424 8464 5237 4714 1924 1873 48 59
A07 - Kings Indian Attack: Yugoslav Variation 18333 7348 5932 5049 2097 2086 49 54
A46 - Yusupov-Rubinstein System 17602 6161 6958 4479 2023 2062 53 51
C10 - French Defense: Rubinstein Variation, Maric Variation 15877 7671 4061 4144 1966 1899 48 64
A04 - Zukertort Opening: Ware Defense 15874 6397 5849 3625 2058 2061 55 59
E61 - Kings Indian Defense: Smyslov Variation 15285 5359 6346 3580 1838 1873 59 55
B02 - Zaire Defense 14710 5204 6481 3024 1786 1844 72 69
D37 - Queens Gambit Declined: Three Knights Variation 14498 6304 4008 4182 2083 2039 45 52
A05 - Kings Indian Attack: Wahls Defense 14425 5642 5057 3720 2067 2052 50 51
A03 - Bird Opening: Williams Gambit 14374 5755 5472 3143 1825 1835 60 62
D30 - Semi-Slav Defense: Quiet Variation, 4. e3 e6 5. Nbd2 Nbd7 14070 6164 4305 3596 1993 1960 51 59
B10 - Van Geet Opening: Caro-Kann Variation, St. Patricks Attack 13617 4868 5973 2775 1971 1950 70 59
D05 - Rubinstein Opening: Semi-Slav Defense 13361 5644 4499 3214 1776 1770 56 64
C11 - French Defense: Steinitz, Brodsky-Jones Variation 12947 5291 4429 3223 2098 2082 49 54
B32 - Sicilian Defense: Open, 3. d4 cxd4 4. Nxd4 12839 5720 4366 2746 1952 1969 54 66
A30 - English Opening: Wing Gambit 12633 4742 3608 4275 2155 2142 39 44
D10 - Slav Defense: Winawer Countergambit, Anti-Winawer Gambit 12564 5466 4049 3046 1958 1946 54 64
D11 - Slav Defense: Quiet Variation 12390 5415 3359 3614 2116 2075 42 52
C65 - Ruy Lopez: Berlin Defense: Mortimer Variation 12213 6561 3178 2465 1933 1904 60 85
D45 - Semi-Slav Defense: Stonewall Defense 12140 4969 3590 3575 2120 2094 43 50
A01 - Nimzowitsch-Larsen Attack: Polish Variation 11939 5082 4398 2453 1998 1988 61 64
E11 - Queens Indian Defense: Petrosian Variation, Farago Defense 11908 4563 3105 4234 2237 2228 34 39
C68 - Ruy Lopez: Exchange, Alekhine Variation 11897 4611 4320 2957 1799 1795 67 66
A25 - English Opening: Kings English, Mazedonisch 11879 5279 3826 2770 1928 1920 54 64
E12 - Queens Indian Defense: Petrosian Variation 11600 4418 3485 3692 2178 2173 40 44
D20 - Queens Gambit Accepted: Schwartz Defense 11438 6149 3074 2210 1865 1853 59 90
D03 - Queens Pawn Game: Torre Attack, Gruenfeld Variation, Main Line 11407 4654 3631 3121 1968 1954 48 54
B34 - Sicilian Defense: Accelerated Dragon, Modern Variation 11335 3728 5330 2272 1714 1781 68 59
A80 - Queens Pawn Game: Veresov Attack, Dutch System 11077 4436 4085 2546 1945 1958 59 61
A13 - English Opening: Romanishin Gambit 10872 4355 3340 3173 2125 2110 46 51
A34 - English Opening: Symmetrical Variation, Three Knights Variation 10859 4193 3708 2956 2003 1998 51 54
D36 - Queens Gambit Declined: Exchange Variation, Reshevsky Variation 10735 4846 2336 3552 2151 2095 34 42
D31 - Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line 10728 4807 3496 2425 2056 2044 51 63
D15 - Slav Defense: Two Knights Attack 10639 4594 3012 3030 2147 2122 44 54
B31 - Sicilian Defense: Rossolimo Variation, Brooklyn Retreat Defense 10590 4134 3536 2916 2182 2152 48 47
C48 - Four Knights Game: Spielmann Variation 10577 4562 4182 1826 1599 1592 92 96
A41 - Zukertort Opening: Wade Defense, Chigorin Plan 10502 4200 3749 2553 2035 2069 54 60
A36 - English Opening: Symmetrical Variation, Symmetrical Variation 10388 3899 3304 3184 2012 2014 46 49
B80 - Sicilian Defense: Scheveningen Variation, Vitolins Variation 10349 4161 3707 2476 2058 2067 51 56
A29 - English Opening: Kings English Variation, Four Knights Variation, Fianchetto Line 10291 4237 2980 3070 2029 2030 43 51
B52 - Sicilian Defense: Canal-Sokolsky Attack, Sokolsky Variation 10033 3526 3323 3184 2068 2057 44 44
B15 - Caro-Kann Defense: von Hennig Gambit 9960 4131 3397 2427 2005 2018 51 59
D06 - Queens Gambit Refused: Zilbermints Gambit 9866 6384 2053 1427 1743 1603 58 102
C77 - Ruy Lopez: Wormald Attack, Gruenfeld Variation 9846 4433 3137 2271 1944 1936 55 65
E90 - Kings Indian Defense: Zinnowitz Variation 9806 4123 3469 2213 2029 2004 52 54
B92 - Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line 9796 3204 3825 2767 2069 2111 44 42
D07 - Queens Gambit Refused: Chigorin Defense, Main Line, Alekhine Variation 9788 5725 2426 1632 1792 1737 60 93
A22 - English Opening: Kings English, Erbenheimer Gambit 9776 4312 3402 2057 1815 1819 61 69
B09 - Pirc Defense: Austrian Attack, Weiss Variation 9774 4514 2822 2436 2079 2061 45 58
B43 - Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack 9680 3058 4652 1969 1975 2047 58 51
B51 - Sicilian Defense: Canal-Sokolsky Attack 9638 3294 3716 2627 2139 2154 50 47
B18 - Caro-Kann Defense: Classical Variation, Maroczy Attack 9616 3507 3588 2517 1866 1867 53 53
C56 - Italian Game: Two Knights Defense, Yurdansky Attack 9583 4770 3100 1709 1701 1682 66 89
C78 - Ruy Lopez: Rabinovich Variation 9565 4927 2459 2178 1994 1965 48 70
D85 - Gruenfeld Defense: Exchange Variation, Nadanian Attack 9558 3504 2707 3345 2235 2229 35 40
C57 - Italian Game: Two Knights Defense, Ulvestad Variation, Kurkin Gambit 9497 5664 3002 829 1437 1382 104 144
B25 - Sicilian Defense: Closed Variation, Traditional 9425 3036 3882 2506 1956 2014 50 47
A43 - Queens Pawn Game: Liedmann Gambit 9417 4007 3362 2046 2036 2041 55 60
C06 - French Defense: Tarrasch Variation, Leningrad Variation 9397 4171 2742 2481 2091 2057 43 51
A16 - English Opening: Anglo-Indian Defense, Queens Knight Variation 9284 3727 2926 2628 2015 1998 49 53
B42 - Sicilian Defense: Kan, Gipslis Variation 9251 3641 3115 2493 2179 2189 43 47
A57 - Benoni Defense: Hromadka System 9250 3614 3566 2065 2118 2114 50 49
E94 - Kings Indian Defense: Orthodox Variation, Ukrainian Defense 9167 3567 3050 2545 2199 2198 41 42
D53 - Queens Gambit Declined: Modern Variation, Heral Variation 8980 4857 2199 1923 1779 1686 51 71
D04 - Queens Pawn Game: Colle System, Anti-Colle 8830 3067 3779 1983 1709 1754 64 60
A85 - Dutch Defense: Queens Knight Variation 8765 3084 3784 1894 1830 1880 63 58
A21 - English Opening: Kings English Variation, Troger Defense 8759 3524 3152 2081 2041 2061 51 57
C62 - Ruy Lopez: Steinitz Defense, Nimzowitsch Attack 8727 5110 2295 1319 1655 1529 63 93
E91 - Kings Indian Defense: Orthodox Variation 8717 4005 2568 2140 1999 1971 46 57
D13 - Slav Defense: Exchange Variation, 3. Nf3 Nf6 4. cxd5 cxd5 8611 3062 2336 3209 1981 1993 39 46
A10 - English Opening: Zilbermints Gambit 8594 3793 3006 1793 1968 1985 59 66
B76 - Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation 8553 4018 2708 1827 1943 1919 53 66
B45 - Sicilian Defense: Paulsen Variation, Normal Variation 8524 3208 3306 2006 1879 1892 58 57
C30 - Kings Gambit: Zilbermints Double Countergambit 8312 4956 2262 1090 1711 1586 73 110
C18 - French Defense: Winawer Variation, Retreat Variation, Armenian Line 8275 3654 2551 2067 2147 2125 42 52
A15 - English Orangutan 8259 3339 2716 2197 2121 2106 48 50
A06 - Zukertort Opening: The Potato 8221 3288 3023 1905 2011 2001 56 57
E92 - Kings Indian Defense: Petrosian Variation, Stein Defense 8212 3071 2536 2605 2217 2204 39 39
D94 - Gruenfeld Defense: Three Knights Variation, Paris Variation 8108 2712 2961 2434 1999 2023 46 44
B19 - Caro-Kann Defense: Classical, Spassky Variation 8092 3090 2152 2847 2104 2087 33 40
B70 - Sicilian Defense: Dragon Variation, Fianchetto Variation 8087 2761 3445 1877 1948 1950 58 51
D38 - Queens Gambit Declined: Ragozin Defense, Alekhine Variation 8086 3621 1977 2487 2170 2158 41 55
E60 - Queens Pawn, Mengarini Attack 7911 3034 2615 2259 2133 2127 46 47
A08 - Kings Indian Attack: Sicilian Variation, 7. O-O O-O 8. Re1 7888 2934 2985 1965 2019 2039 50 51
C40 - Latvian Gambit: Senechaud Gambit 7857 4353 2681 817 1623 1601 94 130
D46 - Semi-Slav Defense: Romih Variation 7760 3419 1846 2493 2127 2077 37 48
E32 - Nimzo-Indian Defense: Classical Variation, Vitolins-Adorjan Gambit 7750 2648 2349 2750 2260 2282 37 38
E15 - Queens Indian, Buerger Variation 7631 2270 2054 3299 2374 2388 28 29
B27 - Sicilian Defense: Quinteros Variation 7620 2974 3216 1428 1889 1903 64 63
C46 - Three Knights Opening: Winawer Defense 7595 3492 3143 959 1606 1596 98 105
B24 - Sicilian Defense: Closed, Smyslov Variation 7563 3009 2976 1577 1826 1863 56 58
B14 - Caro-Kann Defense: Panov Attack, Fianchetto Defense 7431 2940 2408 2080 2054 2054 43 48
B03 - Alekhine Defense: OSullivan Gambit 7397 3052 2704 1634 2024 2054 50 54
A11 - English Opening: Caro-Kann Defensive System 7396 3036 2083 2276 2180 2139 41 46
A47 - Queens Indian Defense: Marienbad System, Berg Variation 7390 2306 2952 2130 1967 2033 49 45
B84 - Sicilian Defense: Scheveningen Variation, Classical Variation, 6. Be2 e6 7. O-O Qc7 7383 2665 3005 1713 1970 2004 50 51
B17 - Caro-Kann Defense: Karpov Variation, Tiviakov-Fischer Attack 7365 2754 2204 2406 2092 2094 39 45
C24 - Bishops Opening: Warsaw Gambit 7339 3480 2619 1236 1816 1778 78 88
C60 - Spanish Opening: Fianchetto Defense, Kevitz Gambit 7219 3850 2115 1248 1890 1853 61 91
C53 - Italian Game: Giuoco Piano, Mestel Variation 7204 3714 2197 1291 1795 1779 66 89
B28 - Sicilian Defense: OKelly Variation, Yerevan System 7158 2747 2983 1427 1878 1922 59 58
A20 - English Openings: Kings English, Kahiko-Hula Gambit 7133 3110 2326 1693 2041 2037 55 62
E62 - Kings Indian Defense: Fianchetto Variation, Uhlmann-Szabo System 7131 2855 2174 2102 2185 2168 40 44
B11 - Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Retreat Line 7101 2640 2833 1626 1974 1945 61 56
B38 - Sicilian Defense: Accelerated Dragon, Maroczy Bind, 5. c4 Bg7 6. Be3 7059 3277 1699 2081 2066 2024 37 49
B53 - Sicilian Defense: Modern Variations, Tartakower 7049 3038 2299 1709 2103 2096 46 55
A02 - System: Double Duck Formation 7033 2941 2789 1301 1813 1831 69 71
C07 - French Defense: Tarrasch, Eliskases Variation 7030 2785 2004 2240 2121 2111 40 47
E81 - Kings Indian Defense: Saemisch Variation, Normal Defense 6960 3117 2122 1718 2133 2114 47 53
E14 - Queens Indian, Averbakh Variation 6959 2492 2259 2207 2099 2096 44 45
A28 - English Opening: Kings English Variation, Four Knights Variation, Quiet Line, 6. Nd5 Re8 7. Qf5 6958 2945 2132 1877 2059 2044 49 56
D12 - Slav Defense: Quiet Variation, Schallopp Defense 6948 2672 2052 2223 2073 2037 44 48
A52 - Budapest Defense: Rubinstein Variation 6669 2970 2082 1617 1953 1902 50 53
E20 - Nimzo-Indian Defense: Romanishin Variation, English Hybrid 6614 2706 2156 1749 2126 2128 49 55
E97 - Kings Indian Defense: Orthodox Variation, Modern System 6548 2717 1924 1903 2242 2214 38 41
C67 - Ruy Lopez: Open Berlin Defense: lHermet Variation 6473 2125 1327 3017 2360 2383 29 42
B56 - Sicilian Defense: Yates Variation 6439 2160 2913 1362 1885 1962 62 54
B85 - Sicilian Defense: Scheveningen, Classical Main Line 6373 2293 2112 1966 2212 2236 38 43
C66 - Ruy Lopez: Closed Berlin Defense: Chigorin Variation 6341 3328 1757 1254 1747 1654 59 77
B26 - Sicilian Defense: Closed Variation, 5. d3 d6 6. Be3 6331 2162 2513 1655 1978 2033 48 49
E70 - Kings Indian Defense: Normal Variation 6141 2639 2106 1394 2111 2090 51 56
A42 - Sicilian Defense: Hyperaccelerated Fianchetto 6123 2514 2018 1590 2119 2128 48 53
B72 - Sicilian Defense: Dragon, Classical, Grigoriev Variation 6117 2212 2751 1151 1735 1785 67 62
D43 - Semi-Slav Defense 6025 2338 1823 1860 2200 2187 42 47
A84 - Horwitz Defense: Dutch Defense, Bellon Gambit 6021 2636 1937 1448 1977 1961 53 59
A26 - English Opening: Kings English Variation, Closed System, Full Symmetry 5987 2143 2111 1728 2080 2092 46 44
B44 - Sicilian Defense: Paulsen Variation, Szen Variation 5969 1981 2479 1503 1962 2027 54 49
C64 - Ruy Lopez: Classical Variation, Zukertort Gambit 5927 2915 1989 1020 1716 1637 71 83
D55 - Queens Gambit Declined: Pillsbury Attack 5916 2625 1483 1806 1965 1922 42 52
A17 - English Opening: Anglo-Indian Defense, Queens Indian Variation 5887 2190 2026 1670 1945 1953 53 52
C15 - French Defense: Winawer, Alekhine Gambit, Alatortsev Variation 5860 2415 2159 1284 1994 1991 56 59
B41 - Sicilian Defense: Kan, Maroczy Bind, Bronstein Variation 5754 2061 2337 1346 2006 2046 52 51
B48 - Sicilian Defense: Paulsen Variation, Bastrikov Variation, Ponomariov Gambit 5742 2048 2114 1577 2202 2230 44 44
C05 - French Defense: Tarrasch Variation, Pawn Center Variation 5682 2593 1809 1274 2051 2028 48 57
A14 - English Opening: Neo-Catalan Declined 5658 2276 1506 1876 2237 2192 36 42
B35 - Sicilian Defense: Dragon Variation, Modern Bc4 Variation 5651 2078 2244 1328 1973 1989 52 50
A53 - Old Indian: Czech Variation, with Nf3 5640 2431 1761 1445 2031 2036 47 57
C84 - Ruy Lopez: Closed, Basque Gambit (North Spanish Variation) 5568 2180 1666 1722 2151 2127 42 45
C28 - Vienna Game: Vienna Gambit, Steinitz Gambit, Main Line 5482 2698 1725 1057 1787 1756 67 84
D52 - Queens Gambit Declined: Cambridge Springs Variation 5469 2187 1737 1544 1932 1914 45 50
C49 - Four Knights Game: Symmetrical, Tarrasch Variation 5323 2158 1945 1214 1693 1704 78 85
B04 - Alekhine Defense: Modern Variation, Schmid Variation 5308 2118 1695 1493 2179 2186 45 48
A37 - English Opening: Symmetrical Variation, Two Knights Line 5241 1540 1860 1839 2186 2228 40 37
E01 - Catalan Opening: Closed Variation 5213 2511 1286 1415 2070 2005 40 52
D01 - Richter-Veresov Attack, 2. Nc3 d5 3. Bg5 Bf5 5212 1806 2175 1231 1945 1972 59 54
D40 - Queens Gambit Declined: Semi-Tarrasch, Levenfish Variation 5190 1820 1842 1524 1916 1922 52 51
E00 - Kangaroo Defense: Keres Defense, Transpositional Variation 5182 2154 1843 1183 1987 1998 54 57
C20 - Portuguese Opening: Portuguese Gambit 5166 1871 2805 490 1537 1539 140 120
B78 - Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line 5132 2433 1722 973 1987 1969 52 64
B54 - Sicilian Defense: Prins Variation 5119 2405 1771 942 1862 1820 58 73
C14 - French Defense: Classical, Stahlberg Variation 5095 2459 1527 1104 1959 1915 46 59
A56 - Vulture Defense 5083 2085 1892 1104 2091 2090 52 53
D32 - Tarrasch Defense: von Hennig Gambit 5039 2063 1648 1323 1992 1963 50 53
B47 - Sicilian Defense: Paulsen Variation, Bastrikov Variation 5014 1674 1841 1497 2220 2248 41 41
C63 - Ruy Lopez: Schliemann Defense, Tartakower Variation 4998 1946 1796 1252 2111 2097 51 50
C26 - Vienna Game: Stanley Variation, Reversed Spanish 4975 2234 1818 919 1919 1872 73 77
E10 - Indian Game: Dzindzi-Indian Defense 4935 2243 1522 1168 2121 2120 46 56
A38 - English Opening: Symmetrical Variation, Full Symmetry Line 4882 1763 1535 1583 1944 1939 46 48
D27 - Queens Gambit Accepted: Furman Variation 4879 1527 1087 2262 2346 2336 27 32
A90 - Dutch Defense: Stonewall Variation, Modern Variation 4878 1949 1338 1587 2148 2116 39 43
A09 - Reti Opening: Zilbermints Gambit 4814 2083 1497 1228 2138 2129 49 57
A31 - English Opening: Symmetrical Variation, Anti-Benoni Variation 4740 1814 1766 1159 2080 2092 50 49
A49 - Zukertort Opening: Gruenfeld Reversed 4737 1658 1657 1422 2122 2132 46 44
D34 - Tarrasch Defense: Prague Variation, Main Line 4658 2050 1082 1526 2227 2164 32 38
C92 - Ruy Lopez: Closed Variations, Zaitsev System 4626 1724 942 1959 2270 2262 27 35
E73 - Kings Indian Defense: Semi-Averbakh System 4607 2155 1363 1087 2170 2131 45 56
C25 - Vienna Game: Zhuravlev Countergambit, 2. Nc3 Bb4 3. Qg4 Nf6 4543 2368 1476 698 1824 1768 76 98
E04 - Catalan Opening: Open Defense, Tarrasch Defense 4514 1697 1175 1642 2327 2317 32 36
E06 - Catalan Opening: Closed Variation, 4. Bg2 Be7 5. Nf3 4439 1933 1044 1458 2227 2169 36 44
C43 - Russian Game: Modern Attack, Trifunovic Variation 4420 2025 1020 1373 2140 2082 41 58
C34 - Kings Gambit Accepted, Schallopp Defense, Tashkent Attack 4315 2588 1212 511 1701 1641 75 115
E18 - Queens Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line 4305 1700 883 1721 2202 2166 32 40
B73 - Sicilian Defense: Dragon, Classical, Zollner Gambit 4270 1386 1721 1163 1786 1837 53 49
E16 - Queens Indian Defense: Yates Variation 4252 1823 972 1457 2213 2182 32 41
E67 - Kings Indian Defense: Fianchetto Variation, Debrecen Defense 4232 1549 1485 1197 2048 2037 45 46
C70 - Ruy Lopez: Morphy Defense, Schliemann Defense Deferred, Jaenisch Gambit Deferred 4230 2350 1151 728 1873 1818 56 85
C90 - Ruy Lopez: Closed Variations, Suetin Variation 4212 1893 1137 1182 2050 2018 38 47
A50 - Slav Indian: Kudischewitsch Gambit 4154 1804 1498 852 2066 2069 53 61
B05 - Alekhine Defense: Modern, Vitolins Attack 4151 1755 1255 1139 2112 2097 40 47
C58 - Italian Game: Two Knights Defense, Polerio Defense, Yankovich Variation 4149 1787 1766 593 1641 1648 84 78
C88 - Ruy Lopez: Noahs Ark Trap, 9. Nxd4 exd4 10. Qxd4 c5 4141 1729 1037 1375 2286 2258 33 39
C27 - Vienna Game: Stanley Variation, Monster Declined 4121 1979 1517 623 1669 1639 84 94
D60 - Queens Gambit Declined: Orthodox Defense, Rauzer Variation 4111 1703 1218 1190 1796 1755 49 54
B86 - Sicilian Defense: Sozin Attack 4092 1520 1709 861 1970 1998 55 54
B46 - Sicilian Defense: Paulsen Variation, Taimanov Variation 4053 1649 1347 1055 2032 2044 49 55
C21 - Sicilian Defense: Smith-Morra Gambit, Danish Variation 4025 2232 1323 464 1603 1550 87 119
C13 - French Defense: Classical Variation, Vistaneckis (Nimzowitsch) Variation 4012 1657 1186 1167 2069 2031 43 51
A81 - Dutch Defense: Semi-Leningrad Variation 3953 1658 1108 1186 2203 2169 40 46
E21 - Nimzo-Indian Defense: Three Knights, Euwe Variation 3909 1431 1509 967 2017 2032 51 50
B29 - Sicilian Defense: Nimzowitsch Variation, Main Line 3900 1555 1486 859 2113 2130 56 59
E68 - Kings Indian, Fianchetto, Classical Variation, 8. e4 3889 1569 1202 1116 2221 2195 40 44
D58 - Queens Gambit Declined: Tartakower Defense 3874 1415 919 1540 2127 2090 33 37
A12 - Reti Opening: Anglo-Slav Variation, Torre System 3844 1371 1161 1309 2153 2131 40 41
B95 - Sicilian Defense: Najdorf Variation, 5. Nc3 a6 6. Bg5 e6 3777 1158 1950 668 1829 1894 65 53
A35 - English Opening: Symmetrical Variation, Two Knights Variation 3753 1388 1272 1091 2103 2090 47 49
C19 - French Defense: Winawer Variation, Positional Variation 3739 1551 1245 940 2174 2152 41 47
C22 - Center Game: lHermet Variation 3727 1671 1455 601 1804 1774 77 82
A87 - Dutch Defense: Leningrad Variation, 4. Bg2 Bg7 5. Nf3 3619 1350 1072 1197 2188 2204 38 41
A58 - Benko Gambit: Zaitsev System 3599 1357 1294 947 2154 2142 43 43
D78 - Neo-Gruenfeld Defense: Classical Variation, Polgar Variation 3578 1501 897 1178 2202 2153 36 42
C03 - French Defense: Tarrasch Variation, Morozevich Variation 3549 1510 1053 984 2168 2177 42 51
D47 - Semi-Slav Defense: Semi-Meran Variation 3523 1221 991 1310 2233 2216 35 38
B81 - Sicilian Defense: Scheveningen Variation, Keres Attack 3475 1645 911 919 2297 2280 35 50
C89 - Ruy Lopez: Marshall, Main Line, Spassky Variation 3473 1206 1279 987 2011 2021 50 42
E69 - Kings Indian Defense: Fianchetto Variation, Classical Main Line 3450 1661 774 1015 2284 2228 33 42
A39 - English Opening: Symmetrical Variation, Mecking Variation 3429 1493 709 1225 2148 2088 32 42
A65 - Benoni Defense: Kings Pawn Line 3429 1464 1162 801 2237 2227 44 47
C16 - French Defense: Winawer Variation, Petrosian Variation 3427 1645 969 812 2149 2131 43 59
C29 - Vienna Game: Vienna Gambit, Wurzburger Trap 3416 1704 1049 662 1845 1807 61 83
E05 - Catalan Opening: Open Defense, Classical Line 3412 1225 653 1534 2343 2311 26 30
E76 - Kings Indian Defense: Steiner Attack 3386 1637 1043 706 2029 1998 50 64
B77 - Sicilian Defense: Dragon, Yugoslav Attack, Byrne Variation 3269 1549 993 727 1970 1944 48 65
B88 - Sicilian Defense: Sozin, Fischer Variation 3264 1263 1165 836 2026 2056 47 50
A18 - English Opening: Mikenas-Carls Variation, 3. e4 d5 4. e5 3248 1785 750 710 2074 1983 45 69
D41 - Queens Gambit Declined: Semi-Tarrasch, San Sebastian Variation 3229 1254 674 1301 2270 2230 31 40
C12 - French Defense: MacCutcheon, Bogoljubov Variation 3203 1253 1094 854 2117 2133 43 48
D91 - Gruenfeld Defense: Three Knights Variation, Petrosian System 3196 1179 1054 963 2129 2123 42 44
E17 - Queens Indian Defense: Traditional Variation 3182 1309 721 1150 2241 2195 33 40
D17 - Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line 3170 1330 725 1115 2368 2329 30 37
A70 - Benoni Defense: Classical Variation, New York Variation 3169 1338 1046 784 2206 2199 44 44
C23 - Vienna Game: Stanley Variation, Meitner-Mieses Gambit 3167 1669 1183 314 1610 1545 118 166
B83 - Sicilian Defense: Scheveningen Variation, Modern Variation, 9. Be3 Bd7 10. Nb3 3155 1068 1072 1015 2061 2090 43 44
A24 - English Opening: Kings English Variation, Two Knights Variation, Fianchetto Line 3141 1288 1036 817 1961 1955 49 52
B99 - Sicilian Defense: Najdorf Variation, Main Line 3138 1424 1035 678 2125 2115 43 52
E63 - Kings Indian Defense: Fianchetto Variation, Panno Variation, Korchnoi Line 3112 1146 976 987 2292 2281 37 36
C17 - French Defense: Winawer Variation, Bogoljubov Variation, Icelandic Defense 3088 1300 1015 773 2051 2034 49 55
D93 - Gruenfeld Defense: Three Knights Variation, Hungarian Variation 3086 1214 918 953 2047 2039 41 45
B96 - Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line 3083 1135 1149 799 2230 2247 45 49
B87 - Sicilian Defense: Sozin Attack, Flank Variation 3074 1121 1254 696 2121 2157 47 50
C51 - Italian Game: Jerome Gambit 3062 1714 969 377 1665 1594 68 98
C61 - Ruy Lopez: Bird Variation, Paulsen Variation 3039 1621 891 525 1834 1782 62 82
A55 - Old Indian Defense: Normal Variation 3013 1329 789 894 2231 2204 37 43
E46 - Nimzo-Indian Defense: Simagin Variation 2948 965 964 1019 2278 2301 36 37
D08 - Queens Gambit Refused: Albin Countergambit, Tartakower Defense 2920 1348 1114 457 1802 1792 72 75
A51 - Indian Game: Budapest Defense 2870 1045 1239 584 1753 1764 70 61
B57 - Sicilian Defense: Sozin, not Scheveningen 2841 1032 1083 726 2132 2166 44 48
C69 - Ruy Lopez: Exchange Variation, Normal Variation 2832 948 796 1088 2194 2204 33 35
D26 - Queens Gambit Accepted: Normal Variation, Traditional System 2801 1321 611 867 2063 2037 39 57
E65 - Kings Indian Defense: Fianchetto Variation, Yugoslav Variation 2797 1300 708 788 2018 1966 42 51
C91 - Ruy Lopez: Closed Variations, Yates Variation, Short Attack 2791 1114 846 830 2198 2195 37 40
A33 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense, 4. d4 cxd4 5. Nxd4 e6 2787 1073 722 991 2272 2254 34 38
C95 - Ruy Lopez: Morphy Defense, Breyer Defense, Zaitsev Hybrid 2772 934 701 1134 2348 2353 28 30
D90 - Gruenfeld Defense: Three Knights Variation, 3. Nc3 d5 4. Nf3 Bg7 2743 1225 755 762 2183 2158 40 49
B36 - Sicilian Defense: Accelerated Dragon, Maroczy Bind, Gurgenidze Variation 2718 929 661 1126 2240 2214 30 33
D44 - Semi-Slav Defense: Botvinnik Variation 2707 1049 953 704 2228 2214 44 46
E38 - Nimzo-Indian Defense: Classical Variation, Berlin Variation 2664 974 896 793 2135 2148 42 42
B66 - Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line 2659 1034 778 846 2320 2335 35 40
D51 - Queens Gambit Declined: Westphalian Variation 2653 1209 844 597 1765 1722 54 64
D14 - Slav Defense: Exchange Variation, Trifunovic Variation 2634 524 442 1668 2265 2275 23 25
D79 - Neo-Gruenfeld Defense: Ultra-delayed Exchange Variation 2631 795 639 1197 2194 2192 32 33
A44 - Semi-Bononi 2622 1184 797 641 2134 2112 46 55
D61 - Queens Gambit Declined: Orthodox Defense, Rubinstein Variation 2616 1338 563 715 2064 1979 38 52
E43 - Nimzo-Indian Defense: St. Petersburg Variation 2616 940 938 738 2143 2152 42 43
C08 - French Defense: Tarrasch, Open, 4. exd5 exd5 2615 992 643 977 2126 2112 33 39
D80 - Gruenfeld Defense: Zaitsev Gambit 2611 921 958 729 2117 2134 49 46
B82 - Sicilian Defense: Scheveningen Variation, Tal Variation 2584 1169 794 617 2223 2199 42 54
B75 - Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations 2575 1270 823 482 1962 1947 51 65
A54 - Old Indian Defense: Ukrainian Variation 2571 1173 689 707 2109 2100 42 53
D24 - Queens Gambit Accepted: Showalter Variation 2562 1257 718 587 2031 2015 48 68
B97 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation 2555 824 767 964 2270 2303 34 38
B93 - Sicilian Defense: Najdorf Variation, Amsterdam Variation 2542 965 852 725 2218 2233 41 45
B49 - Sicilian Defense: Paulsen Variation, Bastrikov Variation, English Attack 2470 805 920 744 2131 2167 42 41
C80 - Ruy Lopez: Open, Knorre Variation 2455 1074 691 686 2104 2089 41 59
B89 - Sicilian Defense: Velimirovic Attack 2433 1061 851 520 2199 2211 46 54
E99 - Kings Indian Defense: Orthodox Variation, Classical System, Traditional Line 2391 1028 746 617 2253 2229 41 43
D48 - Semi-Slav Defense: Meran Variation, Reynolds Variation 2385 791 835 758 2160 2162 37 36
A88 - Dutch Defense: Leningrad Variation, Warsaw Variation 2384 856 744 784 2198 2216 39 40
A23 - English Opening: Kings English Variation, Two Knights Variation, Keres Variation 2380 1080 807 493 1784 1771 59 64
E07 - Catalan Opening: Closed Variation, Botvinnik Variation 2359 1091 553 715 2075 1990 38 48
B16 - Caro-Kann Defense: Finnish Variation 2344 943 788 612 2060 2071 44 47
C87 - Ruy Lopez: Closed Variations, Averbakh Variation 2340 1265 480 595 1892 1798 42 64
E30 - Nimzo-Indian Defense: Leningrad Variation, Averbakh Gambit 2340 815 1041 484 1881 1966 59 55
D87 - Gruenfeld Defense: Exchange Variation, Spassky Variation 2330 844 697 787 2184 2182 33 39
B94 - Sicilian Defense: Najdorf, Ivkov Variation 2323 946 888 489 2082 2121 53 58
C04 - French Defense: Tarrasch Variation, Guimard Defense, Main Line 2306 1045 699 562 2149 2158 44 53
D50 - Queens Gambit Declined: Semi-Tarrasch, Krause Variation 2290 1215 637 438 1683 1641 58 83
D25 - Queens Gambit Accepted: Winawer Defense 2274 1097 505 671 2102 2078 40 60
D18 - Slav Defense: Czech Variation, Lasker Variation 2267 859 620 787 2211 2188 34 39
A60 - Benoni Defense: Modern Variation, Snake Variation 2228 887 894 447 2025 2051 54 57
E51 - Nimzo-Indian Defense: Normal Variation, Saemisch Deferred 2158 951 660 547 1874 1883 51 62
E87 - Kings Indian, Saemisch, Orthodox, Bronstein Variation 2146 1010 675 461 1996 1949 50 58
C96 - Ruy Lopez: Closed, Rossolimo Defense 2133 850 542 740 2187 2161 34 40
E71 - Kings Indian Defense: Makogonov Variation 2127 1058 605 463 2243 2191 43 54
B98 - Sicilian Defense: Najdorf Variation, Traditional Line 2126 1074 695 357 1953 1886 52 68
B67 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation 2120 822 648 650 2346 2363 34 37
A32 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense 2096 577 823 693 2141 2181 46 39
C09 - French Defense: Tarrasch Variation, Open System, Main Line 2049 877 423 748 2185 2161 29 38
A27 - English Opening: Kings English Variation, Three Knights System 2033 875 674 484 2041 2021 53 63
C52 - Italian Game: Evans Gambit, Waller Attack 2022 987 711 324 1779 1756 64 82
C33 - Kings Gambit Accepted: Schurig Gambit 1998 965 746 286 1933 1916 70 84
B91 - Sicilian Defense: Najdorf Variation, Zagreb (Fianchetto) Variation 1986 711 664 610 2277 2285 37 39
C36 - Kings Gambit Accepted: Modern Defense 1976 884 698 394 1878 1870 61 68
A59 - Benko Gambit Accepted, Yugoslav, without 7... Bxf1 1957 770 592 595 2168 2145 38 43
A61 - Benoni Defense: Uhlmann Variation 1926 895 553 477 2318 2287 37 44
C99 - Ruy Lopez: Morphy Defense, Chigorin Defense, Panov System 1922 773 440 706 2265 2233 27 32
D56 - Queens Gambit Declined: Lasker Defense: Russian Variation 1914 806 374 734 2038 1978 36 50
E80 - Kings Indian Defense: Saemisch Variation 1910 909 554 446 2119 2079 45 55
C97 - Ruy Lopez: Closed, Chigorin, Yugoslav System 1909 822 475 611 2128 2084 34 41
D63 - Queens Gambit Declined: Orthodox Defense: Swiss, Karlsbad Variation 1889 849 451 588 2066 2020 35 46
E24 - Nimzo-Indian Defense: Saemisch, Botvinnik Variation 1883 719 765 399 1880 1943 55 55
C59 - Italian Game: Two Knights Defense, Steinitz Variation 1877 751 754 371 1777 1779 67 61
C86 - Ruy Lopez: Closed Variations, Worrall Attack, Delayed Castling Line 1873 827 518 528 2168 2143 38 41
B55 - Sicilian Defense: Prins Variation, Venice Attack 1853 646 740 467 1956 1966 55 50
B59 - Sicilian Defense: Boleslavsky Variation, 6. Be2 e5 7. Nb3 1810 470 813 527 1993 2122 47 40
D77 - Neo-Gruenfeld Defense: Classical Variation 1804 729 453 620 2208 2204 36 43
D16 - Slav Defense: Steiner Variation 1794 785 453 556 2257 2231 36 49
B74 - Sicilian Defense: Dragon, Classical, Spielmann Variation 1788 649 657 481 2077 2092 43 43
A83 - Dutch Defense: Staunton Gambit, Nimzowitsch Variation 1784 752 591 440 2044 2018 48 56
D21 - Queens Gambit Accepted: Slav Gambit 1770 967 420 381 1957 1928 50 88
D23 - Queens Gambit Accepted: Mannheim Variation 1768 682 423 662 2294 2271 35 41
E39 - Nimzo-Indian Defense: Classical Variation, Berlin Variation, Steiner Variation 1749 540 508 700 2315 2328 31 31
E66 - Kings Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line 1742 726 469 545 2274 2242 34 40
D19 - Slav Defense: Czech Variation, Classical System, Main Line 1715 594 413 708 2308 2271 28 33
D66 - Queens Gambit Declined: Orthodox Defense: Bd3 Line 1710 831 360 519 1973 1894 37 51
E09 - Catalan Opening: Closed, Sokolsky Variation 1698 852 300 544 2182 2072 29 44
E19 - Queens Indian Defense: Classical Variation, Traditional Variation, Main Line 1666 469 410 785 2196 2223 30 30
D97 - Gruenfeld Defense: Russian Variation, with e4 1642 623 443 576 2373 2360 32 34
E48 - Nimzo-Indian Defense: Normal Variation, Bishop Attack, Classical Defense 1640 551 478 610 2341 2352 31 35
C85 - Ruy Lopez: Closed Variations, Delayed Exchange 1614 543 427 642 2289 2268 34 35
E42 - Nimzo-Indian Defense: Huebner Variation, Rubinstein Variation, Sherbakov Attack 1605 624 404 577 2359 2358 30 35
E08 - Catalan Opening: Closed, Zagoryansky Variation 1602 787 280 535 2263 2204 28 42
C79 - Ruy Lopez: Steinitz Defense Deferred, Lipnitsky Variation 1586 817 386 382 1905 1837 45 65
B60 - Sicilian Defense: Richter-Rauzer Variation, Modern Variation 1584 677 497 410 2207 2221 42 51
E54 - Nimzo-Indian Defense: Panov Attack, Main Line 1584 467 389 728 2338 2350 26 29
E33 - Nimzo-Indian Defense: Classical Variation, Zurich Variation 1564 705 444 415 2070 2069 43 54
B58 - Sicilian Defense: Classical Variation, Fianchetto Variation 1553 528 586 437 2130 2177 42 40
D76 - Neo-Gruenfeld Defense: Delayed Exchange Variation, 6. cxd5 Nxd5 7. O-O Nb6 1551 530 403 617 2363 2362 28 29
E84 - Kings Indian, Saemisch, Panno Main Line 1537 620 467 450 2285 2263 40 42
E41 - Nimzo-Indian Defense: Huebner Variation, Main Line 1530 527 518 485 2247 2245 37 39
E13 - Queens Indian Defense: Kasparov Variation, 5. Bg5 h6 6. Bh4 Bb7 1512 554 481 477 2257 2253 39 41
D70 - Neo-Gruenfeld Defense: Non- or Delayed Fianchetto 1509 717 407 385 2189 2134 41 53
B63 - Sicilian Defense: Richter-Rauzer Variation, Traditional Variation 1468 624 431 413 2280 2272 38 44
E98 - Kings Indian Defense: Orthodox Variation, Classical System 1443 639 453 351 2219 2191 41 46
B39 - Sicilian Defense: Accelerated Dragon, Maroczy Bind, Breyer Variation 1437 637 352 448 2186 2171 33 43
E72 - Kings Indian Defense: Pomar System 1428 597 489 342 1975 1950 49 51
A89 - Dutch Defense: Leningrad Variation, Matulovic Variation 1419 513 503 402 2178 2191 42 41
C72 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, 4. Ba4 d6 5. O-O 1415 706 374 334 2080 2065 45 59
E85 - Kings Indian Defense: Saemisch Variation, Orthodox Variation 1414 750 372 292 1983 1914 46 60
A86 - Dutch Defense: Leningrad Variation 1400 512 473 415 2111 2102 46 48
E74 - Kings Indian Defense: Averbakh Variation, Benoni Defense, Exchange Variation 1389 623 371 395 2220 2181 37 45
D42 - Queens Gambit Declined: Semi-Tarrasch Defense, Main Line 1388 637 281 470 2318 2289 30 44
A62 - Benoni Defense: Fianchetto Variation, 7. Bg2 Bg7 8. Nf3 O-O 1351 527 476 348 2276 2297 39 39
E83 - Kings Indian, Saemisch, Ruban Variation 1295 474 526 295 2075 2095 53 49
A67 - Benoni Defense: Taimanov Variation 1293 646 365 281 2256 2222 38 51
B79 - Sicilian Defense: Dragon, Yugoslav Attack, 12. h4 1259 567 414 278 2107 2086 44 53
C71 - Ruy Lopez: Noahs Ark Trap 1253 593 399 261 1847 1813 53 65
B62 - Sicilian Defense: Richter-Rauzer, 6... e6 1250 395 551 297 1953 2006 55 49
D86 - Gruenfeld Defense: Exchange, Simagins Lesser Variation 1236 391 455 389 2168 2207 36 38
A96 - Dutch Defense: Classical Variation, Huisl Variation 1216 568 330 318 2074 2020 41 49
E93 - Kings Indian Defense: Petrosian Variation, Normal Defense 1213 477 444 292 2077 2028 48 47
B71 - Sicilian Defense: Dragon Variation, Levenfish Variation, Main Line 1207 583 418 205 1908 1885 55 72
E34 - Nimzo-Indian Defense: Classical Variation, Noa Variation 1199 440 364 394 2100 2121 43 45
D09 - Queens Gambit Refused: Albin Countergambit, Modern Line 1193 625 353 214 2025 1961 52 65
C82 - Ruy Lopez: Open, Motzko Attack, Nenarokov Variation 1180 457 343 378 2315 2298 31 33
C32 - Kings Gambit, Falkbeer Countergambit, Modern Transfer 1179 543 446 189 1860 1820 66 69
E95 - Kings Indian, Orthodox, 7... Nbd7 8. Re1 1169 517 283 369 2242 2222 37 46
E52 - Nimzo-Indian Defense: Normal Variation, Schlechter Defense 1159 380 359 420 2212 2226 37 36
D74 - Neo-Gruenfeld Defense: Delayed Exchange Variation 1153 538 286 328 2083 2033 39 50
C31 - Kings Gambit, Falkbeer Countergambit, Staunton Line 1150 502 449 199 1798 1804 73 76
C93 - Ruy Lopez: Closed Variations, Smyslov-Breyer-Zaitsev Hybrid 1129 472 244 413 2196 2177 29 38
E40 - Nimzo-Indian Defense: Normal Variation, Taimanov Variation 1129 580 316 233 2020 1968 46 66
E88 - Kings Indian Defense: Saemisch Variation, Closed Variation, 7... c6 1127 518 330 279 2106 2101 45 51
B37 - Sicilian Defense: Accelerated Fianchetto, Simagin Variation 1112 512 316 284 2175 2124 41 49
C83 - Ruy Lopez: Open, Tarrasch Trap 1102 438 261 403 2374 2347 28 36
D92 - Gruenfeld Defense: Three Knights Variation, Hungarian Attack 1094 438 334 321 2048 2047 44 48
D39 - Queens Gambit Declined: Ragozin Defense, Vienna Variation 1054 374 238 442 2398 2407 30 42
A68 - Benoni Defense: Four Pawns Attack 1043 385 414 244 2086 2127 50 48
E44 - Nimzo-Indian Defense: Fischer Variation 1014 456 253 305 2233 2208 33 43
C75 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, 5. c3 Bd7 6. d4 Nge7 1011 454 270 287 2103 2122 38 49
D59 - Queens Gambit Declined: Tartakower Variation 1010 256 259 493 2120 2138 28 27
C76 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation 1006 357 274 374 2347 2358 30 33
E59 - Nimzo-Indian Defense: Normal Variation, Bernstein Defense 1000 318 293 389 2314 2328 29 30
D71 - Neo-Gruenfeld Defense: Exchange Variation 994 301 346 347 2223 2241 40 38
C39 - Kings Gambit Accepted: King Knights Gambit, 3. Nf3 g5 4. h4 978 458 383 136 1953 1983 60 67
D73 - Neo-Gruenfeld Defense, with 5. Nf3 971 332 287 352 2261 2289 35 38
C35 - Kings Gambit Accepted: Cunningham, Bertin Gambit 967 456 357 154 1811 1815 68 78
E77 - Kings Indian, Six Pawns Attack 966 413 330 223 2033 2023 49 54
A82 - Dutch Defense: Staunton Gambit, Tartakower Variation 959 439 343 176 1936 1907 58 68
E35 - Nimzo-Indian Defense: Classical, Noa Variation, 5. cxd5 exd5 939 346 230 363 2296 2301 32 36
D95 - Gruenfeld Defense: Three Knights Variation, Vienna Variation 937 351 266 320 2167 2150 39 41
A69 - Benoni Defense: Four Pawns Attack, Main Line 926 428 295 202 2183 2170 41 51
E49 - Nimzo-Indian Defense: Normal Variation, Botvinnik System 917 437 224 256 2336 2311 30 43
E64 - Kings Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line 880 362 276 242 2125 2105 42 45
A92 - Dutch Defense: Stonewall, with Nc3 875 387 230 258 2105 2056 40 47
D33 - Tarrasch Defense: Wagner Variation 869 406 229 233 2108 2050 38 48
A95 - Dutch Defense: Stonewall: Chekhover Variation 866 334 235 297 2005 1982 41 44
D88 - Gruenfeld Defense: Exchange Variation, Spassky Variation, 10. O-O cxd4 11. cxd4 857 304 220 333 2041 2017 31 37
E25 - Nimzo-Indian Defense: Saemisch, Romanovsky Variation 853 305 222 326 2384 2386 28 32
D22 - Queens Gambit Accepted: Alekhine Defense: Alatortsev Variation 842 292 192 358 2324 2331 29 35
B61 - Sicilian Defense: Richter-Rauzer Variation, Modern Variation, 6. Bg5 Bd7 7. Qd2 834 336 222 276 2341 2330 31 37
E02 - Catalan Opening: Open Defense, 4. Bg2 dxc4 5. Qa4+ 825 377 168 279 2184 2162 30 39
C73 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, 5. Bxc6+ bxc6 6. d4 f6 824 328 255 241 2228 2216 38 41
C37 - Kings Gambit Accepted: Soerensen Gambit 796 403 283 110 1821 1812 74 95
B65 - Sicilian Defense: Richter-Rauzer, Rauzer Attack, 7... Be7 Defense: 9... Nxd4 795 294 183 318 2394 2384 27 32
E36 - Nimzo-Indian Defense: Classical, Noa Variation, Main Line 794 267 207 320 2295 2301 34 39
C98 - Ruy Lopez: Closed Variations, Chigorin Defense, 12. Nbd2 Nc6 13. dxc5 785 308 165 312 2175 2153 28 36
D75 - Neo-Gruenfeld Defense: Delayed Exchange Variation, 7. O-O c5 8. dxc5 767 248 201 318 2248 2235 33 35
E55 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation 762 180 167 415 2407 2419 22 22
A91 - Dutch Defense: Classical Variation, Blackburne Attack 739 325 209 205 2098 2037 44 51
A77 - Benoni Defense: Classical Variation, Czerniak Defense, Tal Line 733 317 237 178 2293 2281 37 41
D82 - Gruenfeld Defense: Brinckmann Attack 728 293 212 223 2183 2180 38 43
E86 - Kings Indian Defense: Saemisch Variation, 6. Be3 e5 7. Nge2 c6 699 308 205 186 2227 2205 42 49
A64 - Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line 696 212 283 200 2261 2309 39 34
C38 - Kings Gambit Accepted: Greco Gambit 688 269 348 71 1862 1928 76 69
E53 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation 688 246 190 252 2278 2294 29 35
E29 - Nimzo-Indian Defense: Saemisch Variation, Capablanca Variation 682 229 255 198 2254 2289 40 40
A19 - English Opening: Mikenas-Carls, Sicilian 678 269 218 189 2233 2211 39 42
C74 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Siesta Variation 668 280 221 167 2006 1981 51 57
E82 - Kings Indian Defense: Saemisch Variation, Double Fianchetto 666 260 219 187 2145 2132 43 47
C81 - Ruy Lopez: Open, Howell Attack, Ekstrom Variation 627 279 138 210 2410 2366 28 39
D29 - Queens Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation 627 213 205 209 2330 2340 35 35
D67 - Queens Gambit Declined: Orthodox Defense: Bd3 Line, 9. Bxc4 Nd5 10. Bxe7 Qxe7 598 248 96 252 2135 2036 25 36
E27 - Nimzo-Indian Defense: Saemisch Variation 592 267 196 129 2092 2096 42 55
A75 - Benoni Defense: Classical Variation, Argentine Counterattack 580 210 184 185 2262 2276 34 35
E47 - Nimzo-Indian Defense: Normal Variation, Bishop Attack 580 244 181 155 2236 2201 39 47
D96 - Gruenfeld Defense: Russian Variation 578 260 170 148 2150 2100 39 47
D28 - Queens Gambit Accepted: Classical, Flohr Variation 570 257 116 197 2368 2334 28 39
E56 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense 558 177 147 234 2243 2254 34 35
E45 - Nimzo-Indian Defense: Normal Variation, Bronstein (Byrne) Variation 554 193 150 211 2355 2356 29 33
E22 - Nimzo-Indian Defense: Spielmann Variation 546 225 189 131 1930 1933 55 59
D64 - Queens Gambit Declined: Orthodox Defense: Rubinstein Attack, with Rc1 544 281 95 168 2079 1955 31 45
E31 - Nimzo-Indian Defense: Leningrad Variation, Benoni Defense 535 167 204 164 2309 2345 41 39
E37 - Nimzo-Indian Defense: Classical Variation, Noa Variation, San Remo Variation 517 179 123 215 2340 2352 30 33
E57 - Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line 514 228 98 188 2144 2070 38 51
D89 - Gruenfeld Defense: Exchange Variation, Spassky Variation, 12. Bd3 cxd4 13. cxd4 Be6 509 187 170 152 2214 2200 33 37
E50 - Nimzo-Indian Defense: Normal Variation, Huebner Deferred 480 194 144 142 1967 1990 43 51
D49 - Semi-Slav Defense: Meran Variation, Stahlberg Variation 478 170 144 164 2360 2360 31 32
A97 - Dutch Defense: Ilyin-Zhenevsky, Winter Variation 456 180 134 141 2145 2085 40 44
D72 - Neo-Gruenfeld Defense: Exchange Variation, with 6. e4 454 190 110 154 2360 2311 31 37
B68 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, 8. O-O-O Bd7 9. f4 Be7 451 172 166 113 2211 2264 40 43
A93 - Dutch Defense: Classical Variation, Stonewall Variation, Botvinnik Variation 446 211 79 156 2183 2115 32 43
E03 - Catalan Opening: Open Defense, Alekhine Variation 443 95 143 205 2300 2341 33 25
A94 - Dutch Defense: Classical Variation, Stonewall Variation, 7. b3 c6 8. Ba3 436 210 68 158 2138 2040 29 39
A73 - Benoni Defense: Classical Variation, Main Line 432 161 162 109 2238 2241 41 40
E75 - Kings Indian, Averbakh, Main Line 424 175 123 125 2234 2208 32 39
E26 - Nimzo-Indian Defense: Saemisch Variation, OKelly Variation 417 167 140 110 2206 2214 42 46
D83 - Gruenfeld Defense: Brinckmann Attack, Reshevsky Gambit 415 147 121 147 2324 2322 34 36
A99 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line 374 190 82 101 2221 2129 35 43
A63 - Benoni Defense: Fianchetto Variation, Hastings Defense 369 124 126 118 2289 2304 37 34
E89 - Kings Indian Defense: Saemisch Variation, Closed Variation, Main Line 366 160 121 85 2271 2251 43 47
E28 - Nimzo-Indian Defense: Saemisch Variation, 5. a3 Bxc3+ 6. bxc3 353 146 128 79 2200 2219 41 50
B64 - Sicilian Defense: Richter-Rauzer Variation, Classical Variation, 8. O-O-O O-O 9. f4 e5 344 150 84 110 2338 2323 30 40
D98 - Gruenfeld Defense: Russian, Keres Variation 328 123 101 104 2296 2309 33 36
A72 - Benoni Defense: Classical, without 9. O-O 327 125 121 81 2203 2190 45 43
A71 - Benoni Defense: Classical Variation, Averbakh-Grivas Attack 318 136 117 65 2115 2112 48 49
C94 - Ruy Lopez: Morphy Defense, Breyer Defense, Quiet Variation 298 117 68 113 2256 2249 30 34
D68 - Queens Gambit Declined: Orthodox Defense, Classical Variation, 12. Rxc3 e5 13. Qb1 287 112 36 138 2219 2096 23 30
D69 - Queens Gambit Declined: Orthodox Defense, Classical Variation, 13. dxe5 Nxe5 14. Nxe5 Qxe5 276 74 40 162 2035 1998 25 31
D57 - Queens Gambit Declined: Tartakower Variation, Exchange Variation 269 104 55 110 2197 2174 26 32
A79 - Benoni Defense: Classical Variation, Czerniak Defense, 10. Nd2 Na6 11. f3 264 112 86 66 2363 2365 31 35
E96 - Kings Indian Defense: Orthodox Variation, Positional Defense, Main Line 261 107 58 96 2327 2309 31 38
B69 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack 222 103 57 62 2425 2435 34 39
D62 - Queens Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line 218 81 30 107 2250 2180 24 33
A98 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line 216 83 76 57 2057 2021 45 51
D84 - Gruenfeld Defense: Brinckmann Attack, Gruenfeld Gambit Accepted 209 62 47 100 2334 2326 32 30
D99 - Gruenfeld Defense: Russian Variation, Yugoslav Variation 208 83 55 68 2353 2347 35 38
A66 - Benoni Defense: Pawn Storm Variation 205 95 70 39 2106 2093 45 57
D65 - Queens Gambit Declined: Orthodox Defense, Rubinstein Attack, 8. Qc2 a6 9. cxd5 204 80 40 84 2314 2237 24 31
D81 - Gruenfeld Defense: Russian Variation, Accelerated Variation 204 94 60 50 2287 2234 33 43
D54 - Queens Gambit Declined: Neo-Orthodox Variation 196 87 33 76 2397 2338 27 35
E79 - Kings Indian Defense: Four Pawns Attack, Exchange Variation 191 75 51 65 2060 2055 31 41
E23 - Nimzo-Indian Defense: Spielmann, Stahlberg Variation 177 55 55 67 2255 2240 34 31
A76 - Benoni Defense: Classical Variation, Czerniak Defense 170 63 68 39 1927 2002 58 46
E78 - Kings Indian Defense: Four Pawns Attack, Fluid Attack 153 78 42 33 1943 1880 42 60
A74 - Benoni Defense: Classical Variation, Full Line 128 72 33 23 2224 2171 43 52
A78 - Benoni Defense: Classical Variation, Czerniak Defense, 9. O-O Re8 10. Nd2 Na6 116 37 43 36 2358 2360 41 38

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