1 2[ECO C99 Ruy Lopez: closed, Chigorin, 12...c5d4] 3e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 4h3 Na5 Bc2 c5 d4 Qc7 N1d2 cd cd 5[ECO C98 Ruy Lopez: closed, Chigorin, Rauzer attack] 6e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 7h3 Na5 Bc2 c5 d4 Qc7 N1d2 Nc6 dc 8[ECO C98 Ruy Lopez: closed, Chigorin, 12...Nc6] 9e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 10h3 Na5 Bc2 c5 d4 Qc7 N1d2 Nc6 11[ECO C97 Ruy Lopez: closed, Chigorin, Yugoslav system] 12e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 13h3 Na5 Bc2 c5 d4 Qc7 N1d2 Bd7 Nf1 f8e8 Ne3 g6 14[ECO C97 Ruy Lopez: closed, Chigorin defence] 15e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 16h3 Na5 Bc2 c5 d4 Qc7 17[ECO C96 Ruy Lopez: closed, Keres defence] 18e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 19h3 Na5 Bc2 c5 d4 Nd7 20[ECO C96 Ruy Lopez: closed, Borisenko defence] 21e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 22h3 Na5 Bc2 c5 d4 Nc6 23[ECO C96 Ruy Lopez: closed ] 24e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 25h3 Na5 Bc2 c5 26[ECO C96 Ruy Lopez: closed, Rossolimo defence] 27e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 28h3 Na5 Bc2 c6 d4 Qc7 29[ECO C96 Ruy Lopez: closed ] 30e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 31h3 Na5 Bc2 32[ECO C95 Ruy Lopez: closed, Breyer, Simagin variation] 33e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 34h3 Nb8 d4 N8d7 Nh4 35[ECO C95 Ruy Lopez: closed, Breyer, Gligori\'c variation] 36e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 37h3 Nb8 d4 N8d7 N1d2 Bb7 Bc2 c5 38[ECO C95 Ruy Lopez: closed, Breyer, Borisenko variation] 39e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 40h3 Nb8 d4 N8d7 41[ECO C95 Ruy Lopez: closed, Breyer, 10.d4] 42e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 43h3 Nb8 d4 44[ECO C94 Ruy Lopez: closed, Breyer defence] 45e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 46h3 Nb8 47[ECO C93 Ruy Lopez: closed, Smyslov defence] 48e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 49h3 h6 50[ECO C92 Ruy Lopez: closed, Flohr-Zaitsev system ] 51e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 52h3 Bb7 53[ECO C92 Ruy Lopez: closed, Ragozin-Petrosian variation] 54e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 55h3 Nd7 56[ECO C92 Ruy Lopez: closed, Kholmov variation] 57e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 58h3 Be6 59[ECO C92 Ruy Lopez: closed, Keres variation] 60e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 61h3 a5 62[ECO C92 Ruy Lopez: closed, 9.h3] 63e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 64h3 65[ECO C91 Ruy Lopez: closed, Bogolyubov variation] 66e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 67d4 Bg4 68[ECO C91 Ruy Lopez: closed, 9.d4] 69e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 70d4 71[ECO C90 Ruy Lopez: closed, Suetin variation] 72e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 73a3 74[ECO C90 Ruy Lopez: closed, Lutikov variation] 75e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 76Bc2 77[ECO C90 Ruy Lopez: closed, Pilnik variation] 78e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 79d3 80[ECO C90 Ruy Lopez: closed ] 81e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d6 82[ECO C89 Ruy Lopez: Marshall, Herman Steiner variation] 83e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 84ed e4 85[ECO C89 Ruy Lopez: Marshall, main line, Spassky variation] 86e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 87ed Nd5 Ne5 Ne5 Re5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 a8e8 88Nd2 Re6 a4 Qh5 89[ECO C89 Ruy Lopez: Marshall, main line, 14...Qh3] 90e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 91ed Nd5 Ne5 Ne5 Re5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 92[ECO C89 Ruy Lopez: Marshall, main line, 12.d2d4] 93e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 94ed Nd5 Ne5 Ne5 Re5 c6 d4 95[ECO C89 Ruy Lopez: Marshall, Kevitz variation] 96e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 97ed Nd5 Ne5 Ne5 Re5 c6 Bd5 cd d4 Bd6 Re3 98[ECO C89 Ruy Lopez: Marshall counter-attack, 11...c6] 99e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 100ed Nd5 Ne5 Ne5 Re5 c6 101[ECO C89 Ruy Lopez: Marshall counter-attack] 102e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 d5 103[ECO C?? Ruy Lopez: closed, 8.c3] 104e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o c3 105[ECO C88 Ruy Lopez: closed, anti-Marshall 8.a4] 106e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o a4 107[ECO C88 Ruy Lopez: closed, 7...O-O] 108e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 o-o 109[ECO C88 Ruy Lopez: Trajkovi\'c counter-attack] 110e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 Bb7 111[ECO C88 Ruy Lopez: Noah's ark trap] 112e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 d6 d4 Nd4 113Nd4 ed Qd4 c5 114[ECO C88 Ruy Lopez: closed, 7...d6, 8.d4] 115e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 d6 d4 116[ECO C88 Ruy Lopez: closed, Balla variation] 117e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 d6 c3 Na5 118Bc2 c5 d4 Qc7 a4 119[ECO C88 Ruy Lopez: closed, Leonhardt variation] 120e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 d6 c3 Na5 121Bc2 c5 d4 Qc7 h3 Nc6 d5 Nb8 N1d2 g5 122[ECO C88 Ruy Lopez: closed] 123e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 b5 Bb3 124[ECO C79 Ruy Lopez: Kecskem\'et variation] 125e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 d6 c3 o-o d4 Bd7 126N1d2 Be8 127[ECO C87 Ruy Lopez: closed, Averbach variation] 128e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Re1 d6 129[ECO C86 Ruy Lopez: Worrall attack, solid line] 130e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Qe2 b5 Bb3 d6 131[ECO C86 Ruy Lopez: Worrall attack, sharp line] 132e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Qe2 b5 Bb3 o-o 133[ECO C86 Ruy Lopez: Worrall attack] 134e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Qe2 135[ECO C85 Ruy Lopez: Exchange variation doubly deferred ] 136e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 Bc6 137[ECO C84 Ruy Lopez: closed, Basque gambit ] 138e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 d4 ed e5 Ne4 c3 139[ECO C84 Ruy Lopez: closed, centre attack] 140e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 d4 141[ECO C84 Ruy Lopez: closed defence] 142e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Be7 143[ECO C83 Ruy Lopez: open, Breslau variation] 144e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 145c3 Be7 Re1 o-o Nd4 Ne5 146[ECO C83 Ruy Lopez: open, Tarrasch trap] 147e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 148c3 Be7 Re1 o-o Nd4 Qd7 Ne6 fe Re4 149[ECO C83 Ruy Lopez: open, 9...Be7, 10.Re1] 150e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 151c3 Be7 Re1 152[ECO C83 Ruy Lopez: open, Malkin variation] 153e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 154c3 Be7 N1d2 o-o Qe2 155[ECO C83 Ruy Lopez: open, classical defence] 156e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 157c3 Be7 158[ECO C82 Ruy Lopez: open, Motzko attack, Nenarokov variation] 159e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 160c3 Bc5 Qd3 Ne7 161[ECO C82 Ruy Lopez: open, Motzko attack] 162e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 163c3 Bc5 Qd3 164[ECO C82 Ruy Lopez: open, Dilworth variation] 165e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 166c3 Bc5 N1d2 o-o Bc2 Nf2 167[ECO C82 Ruy Lopez: open, St. Petersburg variation] 168e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 169c3 Bc5 N1d2 170[ECO C82 Ruy Lopez: open, Italian variation] 171e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 172c3 Bc5 173[ECO C82 Ruy Lopez: open, Berlin variation] 174e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 175c3 Nc5 176[ECO C82 Ruy Lopez: open, 9.c3] 177e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 178c3 179[ECO C81 Ruy Lopez: open, Howell attack, Adam variation] 180e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 181Qe2 Be7 c4 182[ECO C81 Ruy Lopez: open, Howell attack, Ekstr\"om variation] 183e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 184Qe2 Be7 Rd1 o-o c4 bc Bc4 Qd7 185[ECO C81 Ruy Lopez: open, Howell attack] 186e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 187Qe2 188[ECO C80 Ruy Lopez: open, Bernstein variation, Karpov gambit] 189e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 190N1d2 Nc5 c3 d4 Ng5 191[ECO C80 Ruy Lopez: open, Bernstein variation] 192e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 193N1d2 194[ECO C80 Ruy Lopez: open, 8...Be6] 195e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Be6 196[ECO C80 Ruy Lopez: open, Zukertort variation] 197e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de Ne7 198[ECO C80 Ruy Lopez: open, 8.de] 199e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 de 200[ECO C80 Ruy Lopez: open, Harksen gambit] 201e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 c4 202[ECO C80 Ruy Lopez: open, Berger variation] 203e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 a4 Nd4 204Nd4 ed Nc3 205[ECO C80 Ruy Lopez: open, Schlechter defence] 206e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 d5 a4 Nd4 207[ECO C80 Ruy Lopez: open, 7.Bb3] 208e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Bb3 209[ECO C80 Ruy Lopez: open, Richter variation] 210e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 d5 211[ECO C80 Ruy Lopez: open, Friess attack] 212e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 Ne5 213[ECO C80 Ruy Lopez: open, 6.d4 b5] 214e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 b5 215[ECO C80 Ruy Lopez: open, Riga variation] 216e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 ed 217[ECO C80 Ruy Lopez: open, 6.d4] 218e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 d4 219[ECO C80 Ruy Lopez: open, Knorre variation] 220e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 Nc3 221[ECO C80 Ruy Lopez: open, Tartakower variation] 222e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 Qe2 223[ECO C80 Ruy Lopez: open defence] 224e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Ne4 225[ECO C79 Ruy Lopez: Steinitz defence deferred, Boleslavsky variation] 226e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o d6 Bc6 bc d4 Ne4 Re1 f5 227de d5 Nc3 228[ECO C79 Ruy Lopez: Steinitz defence deferred, Rubinstein variation] 229e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o d6 Bc6 bc d4 Ne4 230[ECO C79 Ruy Lopez: Steinitz defence deferred, Lipnitsky variation] 231e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o d6 Bc6 bc d4 Bg4 232[ECO C79 Ruy Lopez: Steinitz defence deferred ] 233e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o d6 234[ECO C78 Ruy Lopez: M\"oller defence] 235e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o Bc5 236[ECO C78 Ruy Lopez: Archangelsk variation] 237e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o b5 Bb3 Bb7 238[ECO C78 Ruy Lopez: Rabinovich variation] 239e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o b5 Bb3 d6 Ng5 d5 ed Nd4 240Re1 Bc5 Re5 Kf8 241[ECO C78 Ruy Lopez: ...b5 & ...d6] 242e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o b5 Bb3 d6 243[ECO C78 Ruy Lopez: Wing attack] 244e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o b5 Bb3 Be7 a4 245[ECO C78 Ruy Lopez: 5.O-O] 246e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 o-o 247[ECO C77 Ruy Lopez: Morphy defence, Duras variation] 248e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6 c4 249[ECO C77 Ruy Lopez: Anderssen variation] 250e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 251[ECO C77 Ruy Lopez: Wormald attack, Gr\"unfeld variation] 252e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5 Bb3 Be7 d4 d6 c3 Bg4 253[ECO C77 Ruy Lopez: Wormald attack] 254e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 255[ECO C77 Ruy Lopez: Treybal variation ] 256e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Bc6 257[ECO C77 Ruy Lopez: four knights variation] 258e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Nc3 259[ECO C77 Ruy Lopez: Morphy defence] 260e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 261[ECO C76 Ruy Lopez: modern Steinitz defence, fianchetto variation] 262e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 263[ECO C75 Ruy Lopez: modern Steinitz defence, Rubinstein variation] 264e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 N8e7 265[ECO C75 Ruy Lopez: modern Steinitz defence] 266e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 267[ECO C74 Ruy Lopez: Siesta, Kopayev variation] 268e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 ef Bf5 o-o 269[ECO C74 Ruy Lopez: modern Steinitz defence, siesta variation] 270e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 271[ECO C74 Ruy Lopez: modern Steinitz defence] 272e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 273[ECO C73 Ruy Lopez: modern Steinitz defence, Alapin variation] 274e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bc6 bc d4 f6 275[ECO C73 Ruy Lopez: modern Steinitz defence, Richter variation] 276e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bc6 bc d4 277[ECO C?? Ruy Lopez: modern Steinitz defence, exchange variation] 278e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bc6 bc 279[ECO C72 Ruy Lopez: modern Steinitz defence, 5.O-O] 280e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 o-o 281[ECO C71 Ruy Lopez: modern Steinitz defence, Duras variation] 282e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c4 283[ECO C71 Ruy Lopez: modern Steinitz defence, Three knights variation] 284e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Nc3 285[ECO C71 Ruy Lopez: Noah's ark trap] 286e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 d4 b5 Bb3 Nd4 Nd4 ed Qd4 c5 287[ECO C71 Ruy Lopez: modern Steinitz defence] 288e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 289[ECO C70 Ruy Lopez: Schliemann defence deferred] 290e4 e5 Nf3 Nc6 Bb5 a6 Ba4 f5 291[ECO C70 Ruy Lopez: Taimanov variation] 292e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Na5 293[ECO C70 Ruy Lopez: Graz variation] 294e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Bc5 295[ECO C70 Ruy Lopez: Caro variation] 296e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 297[ECO C70 Ruy Lopez: Classical defence deferred] 298e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bc5 299[ECO C70 Ruy Lopez: Alapin's defence deferred] 300e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bb4 301[ECO C70 Ruy Lopez: Bird's defence deferred] 302e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nd4 303[ECO C70 Ruy Lopez: Cozio defence deferred] 304e4 e5 Nf3 Nc6 Bb5 a6 Ba4 N8e7 305[ECO C70 Ruy Lopez: fianchetto defence deferred] 306e4 e5 Nf3 Nc6 Bb5 a6 Ba4 g6 307[ECO C70 Ruy Lopez] 308e4 e5 Nf3 Nc6 Bb5 a6 Ba4 309[ECO C69 Ruy Lopez: exchange, Bronstein variation] 310e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc o-o Qd6 311[ECO C69 Ruy Lopez: exchange, Gligori\'c variation] 312e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc o-o f6 313[ECO C69 Ruy Lopez: exchange variation, Alapin gambit] 314e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc o-o Bg4 h3 h5 315[ECO C69 Ruy Lopez: exchange variation, 5.O-O] 316e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc o-o 317[ECO C68 Ruy Lopez: exchange, Romanovsky variation] 318e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc Nc3 f6 d3 319[ECO C68 Ruy Lopez: exchange, Keres variation] 320e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc Nc3 321[ECO C68 Ruy Lopez: exchange, Alekhine variation] 322e4 e5 Nf3 Nc6 Bb5 a6 Bc6 dc d4 ed Qd4 Qd4 Nd4 Bd7 323[ECO C68 Ruy Lopez: exchange variation] 324e4 e5 Nf3 Nc6 Bb5 a6 Bc6 325[ECO C67 Ruy Lopez: Berlin defence, Rosenthal variation] 326e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 a6 327[ECO C67 Ruy Lopez: Berlin defence, Minckwitz variation] 328e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 de 329[ECO C67 Ruy Lopez: Berlin defence, Trifunovi\'c variation] 330e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 d5 331[ECO C67 Ruy Lopez: Berlin defence, Cordel variation] 332e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 Nd6 Bc6 bc de Nf5 333[ECO C67 Ruy Lopez: Berlin defence, Winawer attack] 334e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 Nd6 Bc6 bc de Nb7 335Nd4 336[ECO C67 Ruy Lopez: Berlin defence, Pillsbury variation] 337e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 Nd6 Bc6 bc de Nb7 338b3 339[ECO C67 Ruy Lopez: Berlin defence, Zukertort variation] 340e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 Nd6 Bc6 bc de Nb7 341c4 342[ECO C67 Ruy Lopez: Berlin defence, Rio de Janeiro variation] 343e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 Qe2 Nd6 Bc6 bc de Nb7 344Nc3 o-o Re1 Nc5 Nd4 Ne6 Be3 Nd4 Bd4 c5 345[ECO C67 Ruy Lopez: open Berlin defence, 5...Be7] 346e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Be7 347[ECO C67 Ruy Lopez: open Berlin defence, Showalter variation] 348e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Nd6 Ba4 349[ECO C67 Ruy Lopez: open Berlin defence, l'Hermet variation] 350e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 d4 Nd6 de 351[ECO C67 Ruy Lopez: Berlin defence, open variation] 352e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Ne4 353[ECO C66 Ruy Lopez: closed Berlin defence, Chigorin variation] 354e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Nd7 355[ECO C66 Ruy Lopez: closed Berlin defence, Wolf variation] 356e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Bd7 Nc3 ed 357[ECO C66 Ruy Lopez: closed Berlin defence, Showalter variation] 358e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Bd7 Nc3 Be7 Bc6 359[ECO C66 Ruy Lopez: closed Berlin defence, Bernstein variation] 360e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Bd7 Nc3 Be7 Bg5 361[ECO C66 Ruy Lopez: Berlin defence, Tarrasch trap] 362e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Bd7 Nc3 Be7 Re1 o-o 363[ECO C66 Ruy Lopez: Berlin defence, hedgehog variation] 364e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 d4 Bd7 Nc3 Be7 365[ECO C66 Ruy Lopez: Berlin defence, 4.O-O, d6] 366e4 e5 Nf3 Nc6 Bb5 Nf6 o-o d6 367[ECO C65 Ruy Lopez: Berlin defence, Beverwijk variation] 368e4 e5 Nf3 Nc6 Bb5 Nf6 o-o Bc5 369[ECO C65 Ruy Lopez: Berlin defence, 4.O-O] 370e4 e5 Nf3 Nc6 Bb5 Nf6 o-o 371[ECO C65 Ruy Lopez: Berlin defence, Kaufmann variation] 372e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Bc5 Be3 373[ECO C65 Ruy Lopez: Berlin defence, Duras variation] 374e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6 c4 375[ECO C65 Ruy Lopez: Berlin defence, Anderssen variation] 376e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6 Bc6 377[ECO C65 Ruy Lopez: Berlin defence, Mortimer trap] 378e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Ne7 Ne5 c6 379[ECO C65 Ruy Lopez: Berlin defence, Mortimer variation] 380e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Ne7 381[ECO C65 Ruy Lopez: Berlin defence, Nyholm attack] 382e4 e5 Nf3 Nc6 Bb5 Nf6 d4 ed o-o 383[ECO C65 Ruy Lopez: Berlin defence] 384e4 e5 Nf3 Nc6 Bb5 Nf6 385[ECO C64 Ruy Lopez: Cordel gambit] 386e4 e5 Nf3 Nc6 Bb5 Bc5 c3 f5 387[ECO C64 Ruy Lopez: classical defence, Boden variation] 388e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Qe7 389[ECO C64 Ruy Lopez: classical defence, Charousek variation] 390e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Bb6 391[ECO C64 Ruy Lopez: classical defence, Benelux variation ] 392e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6 o-o o-o d4 Bb6 393[ECO C64 Ruy Lopez: classical defence, 4.c3] 394e4 e5 Nf3 Nc6 Bb5 Bc5 c3 395[ECO C64 Ruy Lopez: classical defence, Zaitsev variation] 396e4 e5 Nf3 Nc6 Bb5 Bc5 o-o Nd4 b4 397[ECO C64 Ruy Lopez: classical defence] 398e4 e5 Nf3 Nc6 Bb5 Bc5 399[ECO C63 Ruy Lopez: Schliemann defence, Berger variation] 400e4 e5 Nf3 Nc6 Bb5 f5 Nc3 401[ECO C63 Ruy Lopez: Schliemann defence] 402e4 e5 Nf3 Nc6 Bb5 f5 403[ECO C62 Ruy Lopez: old Steinitz defence, semi-Duras variation] 404e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 c4 405[ECO C62 Ruy Lopez: old Steinitz defence, Nimzovich attack] 406e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 Nc3 Nf6 Bc6 407[ECO C62 Ruy Lopez: old Steinitz defence] 408e4 e5 Nf3 Nc6 Bb5 d6 409[ECO C61 Ruy Lopez: Bird's defence, Paulsen variation] 410e4 e5 Nf3 Nc6 Bb5 Nd4 Nd4 ed o-o Ne7 411[ECO C61 Ruy Lopez: Bird's defence] 412e4 e5 Nf3 Nc6 Bb5 Nd4 413[ECO C60 Ruy Lopez: Cozio defence, Paulsen variation] 414e4 e5 Nf3 Nc6 Bb5 N8e7 Nc3 g6 415[ECO C60 Ruy Lopez: Cozio defence] 416e4 e5 Nf3 Nc6 Bb5 N8e7 417[ECO C60 Ruy Lopez: fianchetto defence] 418e4 e5 Nf3 Nc6 Bb5 g6 419[ECO C60 Ruy Lopez: Alapin's defence] 420e4 e5 Nf3 Nc6 Bb5 Bb4 421[ECO C60 Ruy Lopez: Brentano defence] 422e4 e5 Nf3 Nc6 Bb5 g5 423[ECO C60 Ruy Lopez: Vinogradov variation] 424e4 e5 Nf3 Nc6 Bb5 Qe7 425[ECO C60 Ruy Lopez: Lucena defence] 426e4 e5 Nf3 Nc6 Bb5 Be7 427[ECO C60 Ruy Lopez: Pollock defence] 428e4 e5 Nf3 Nc6 Bb5 Na5 429[ECO C60 Ruy Lopez: Nuremberg variation] 430e4 e5 Nf3 Nc6 Bb5 f6 431[ECO C60 Ruy Lopez ] 432e4 e5 Nf3 Nc6 Bb5 433[ECO C59 two knights defence: Steinitz variation] 434e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Be2 h6 435Nh3 436[ECO C59 two knights defence: G\"oring variation] 437e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Be2 h6 438Nf3 e4 Ne5 Qc7 439[ECO C59 two knights defence: Knorre variation] 440e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Be2 h6 441Nf3 e4 Ne5 Bd6 d4 Qc7 Bd2 442[ECO C59 Two knights defence] 443e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Be2 h6 444[ECO C?? Two knights defence] 445e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Be2 446[ECO C58 two knights defence: Blackburne variation] 447e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Qf3 cb 448[ECO C58 two knights defence: Colman variation] 449e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Qf3 Rb8 450[ECO C58 two knights defence: Paoli variation] 451e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Qf3 Qc7 452Bd3 453[ECO C58 two knights defence: Bogolyubov variation] 454e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 c6 dc bc Qf3 455[ECO C58 Two knights defence] 456e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 Bb5 457[ECO C58 two knights defence: Mar\'oczy variation] 458e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 d3 h6 Nf3 e4 Qe2 Nc4 459dc Be7 460[ECO C58 two knights defence: Yankovich variation] 461e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 d3 h6 Nf3 e4 Qe2 Nc4 462dc Bc5 N3d2 463[ECO C58 two knights defence: Kieseritsky variation] 464e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 d3 465[ECO C?? two knights defence] 466e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Na5 467[ECO C57 two knights defence: Fegatello attack, Polerio defence] 468e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd5 Nf7 Kf7 Qf3 Ke6 Nc3 Ne7 469[ECO C57 two knights defence: Fegatello attack, Leonhardt variation] 470e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd5 Nf7 Kf7 Qf3 Ke6 Nc3 Nb4 471Qe4 c6 a3 Na6 d4 Nc7 472[ECO C57 two knights defence: Fegatello attack] 473e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd5 Nf7 474[ECO C57 two knights defence: Pincus variation] 475e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd5 d4 Bb4 476[ECO C57 two knights defence: Lolli attack] 477e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd5 d4 478[ECO C57 two knights defence: Fritz, Gruber variation] 479e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd4 c3 b5 Bf1 Nd5 Ne4 480[ECO C57 two knights defence: Fritz variation] 481e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed Nd4 482[ECO C57 two knights defence: Ulvestad variation] 483e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 ed b5 484[ECO C57 two knights defence: Wilkes Barre variation] 485e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 486[ECO C57 Two knights defence] 487e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 488[ECO C56 two knights defence: Canal variation] 489e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Ne4 Re1 d5 Nc3 490[ECO C56 two knights defence: Yurdansky attack] 491e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Ne4 Re1 d5 Bd5 Qd5 Nc3 Qa5 492Ne4 Be6 Bg5 h6 Bh4 g5 Nf6 Ke7 b4 493[ECO C56 Two knights defence] 494e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Ne4 495[ECO C55 two knights: Max Lange attack, Krause variation] 496e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 Ng4 c3 497[ECO C55 two knights: Max Lange attack, Steinitz variation] 498e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 Ng4 499[ECO C55 two knights: Max Lange attack, Schlechter variation] 500e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 d5 ef dc Re1 Be6 501fg 502[ECO C55 two knights: Max Lange attack, Loman defence] 503e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 d5 ef dc Re1 Be6 504Ng5 g6 505[ECO C55 two knights: Max Lange attack, Rubinstein variation] 506e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 d5 ef dc Re1 Be6 507Ng5 Qd5 Nc3 Qf5 N3e4 Bf8 508[ECO C55 two knights: Max Lange attack, Marshall variation] 509e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 d5 ef dc Re1 Be6 510Ng5 Qd5 Nc3 Qf5 N3e4 511[ECO C55 two knights: Max Lange attack, Berger variation] 512e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 d5 ef dc Re1 Be6 513Ng5 Qd5 Nc3 Qf5 g4 Qg6 N3e4 Bb6 f4 o-o-o 514[ECO C55 two knights: Max Lange attack] 515e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o Bc5 e5 516[ECO C55 Two knights defence] 517e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed o-o 518[ECO C55 Two knights defence, Perreux variation] 519e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed Ng5 520[ECO C55 Two knights defence, Keidanz variation] 521e4 e5 Nf3 Nc6 Bc4 Nf6 d4 ed e5 d5 Bb5 Ne4 Nd4 Bc5 Nc6 Bf2 522Kf1 Qh4 523[ECO C55 Two knights defence] 524e4 e5 Nf3 Nc6 Bc4 Nf6 d4 525[ECO C55 Two knights defence ] 526e4 e5 Nf3 Nc6 Bc4 Nf6 d3 527[ECO C55 Giuoco piano: Holzhausen attack] 528e4 e5 Nf3 Nc6 Bc4 Nf6 o-o Bc5 d4 Bd4 Nd4 Nd4 Bg5 d6 f4 Qe7 529fe de Nc3 530[ECO C55 Giuoco piano] 531e4 e5 Nf3 Nc6 Bc4 Nf6 o-o Bc5 d4 Bd4 Nd4 Nd4 Bg5 d6 532[ECO C55 Giuoco piano: Rosentreter variation] 533e4 e5 Nf3 Nc6 Bc4 Nf6 o-o Bc5 d4 Bd4 Nd4 Nd4 Bg5 h6 Bh4 g5 534f4 535[ECO C55 Two knights defence] 536e4 e5 Nf3 Nc6 Bc4 Nf6 537[ECO C54 Giuoco Piano: M\"oller, bayonet attack] 538e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Bc3 539d5 Bf6 Re1 Ne7 Re4 d6 g4 540[ECO C54 Giuoco Piano: Therkatz-Herzog variation] 541e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Bc3 542d5 Bf6 Re1 Ne7 Re4 d6 Bg5 Bg5 Ng5 o-o Nh7 543[ECO C54 Giuoco Piano: M\"oller attack] 544e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Bc3 545d5 546[ECO C54 Giuoco Piano: Steinitz variation] 547e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Bc3 548bc d5 Ba3 549[ECO C54 Giuoco Piano] 550e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Bc3 551[ECO C54 Giuoco Piano: Aitken variation] 552e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Nc3 553bc Bc3 Ba3 554[ECO C54 Giuoco Piano: Bernstein variation] 555e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Nc3 556bc Bc3 Qb3 d5 557[ECO C54 Giuoco Piano: Greco variation] 558e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 Ne4 o-o Nc3 559[ECO C54 Giuoco Piano: Greco's attack] 560e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Nc3 561[ECO C54 Giuoco Piano: Cracow variation] 562e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Kf1 563[ECO C54 Giuoco Piano: Krause variation] 564e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd Bb4 Bd2 Ne4 Bb4 Nb4 565Bf7 Kf7 Qb3 d5 Ne5 Kf6 f3 566[ECO C54 Giuoco Piano] 567e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed cd 568[ECO C53 Giuoco Piano: Anderssen variation] 569e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed e5 d5 Bb5 Ne4 cd Bb4 570[ECO C53 Giuoco Piano] 571e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed e5 d5 572[ECO C53 Giuoco Piano: Ghulam Kassim variation] 573e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 ed e5 Ne4 Bd5 Nf2 Kf2 dc 574Kg3 575[ECO C53 Giuoco Piano] 576e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 577[ECO C53 Giuoco Piano: Bird's attack] 578e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 b4 579[ECO C53 Giuoco Piano] 580e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 581[ECO C53 Giuoco Piano: Eisinger variation] 582e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 d5 Nb8 d6 583[ECO C53 Giuoco Piano: Mestel variation] 584e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 Bg5 585[ECO C53 Giuoco Piano: Tarrasch variation] 586e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 o-o Nf6 a4 a6 Re1 d6 587h3 588[ECO C53 Giuoco Piano: centre-holding variation] 589e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 590[ECO C53 Giuoco Piano: close variation] 591e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 592[ECO C53 Giuoco Piano: LaBourdonnais variation] 593e4 e5 Nf3 Nc6 Bc4 Bc5 c3 d6 d4 ed cd Bb6 594[ECO C53 Giuoco Piano] 595e4 e5 Nf3 Nc6 Bc4 Bc5 c3 596[ECO C52 Evans gambit: Alapin-Steinitz variation] 597e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o d6 d4 Bg4 598[ECO C52 Evans gambit: Sanders-Alapin variation] 599e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o d6 d4 Bd7 600[ECO C52 Evans gambit: Lasker defence] 601e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o d6 d4 Bb6 602[ECO C52 Evans gambit: Waller attack] 603e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o d6 d4 ed Qb3 604[ECO C52 Evans gambit] 605e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o d6 606[ECO C52 Evans gambit: Richardson attack] 607e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o Nf6 d4 o-o Ne5 608[ECO C52 Evans gambit] 609e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 o-o 610[ECO C52 Evans gambit: Sokolsky variation] 611e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 d6 Bg5 612[ECO C52 Evans gambit: Levenfish variation] 613e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 d6 Qb3 Qd7 de de 614o-o Bb6 Ba3 Na5 Ne5 615[ECO C52 Evans gambit: Tartakower attack] 616e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 d6 Qb3 617[ECO C52 Evans gambit] 618e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 d6 619[ECO C52 Evans gambit: Leonhardt variation] 620e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 b5 621[ECO C52 Evans gambit: compromised defence, Potter variation] 622e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 ed o-o dc Qb3 Qf6 623e5 Qg6 Nc3 N8e7 Rd1 624[ECO C52 Evans gambit: compromised defence, Paulsen variation] 625e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 ed o-o dc Qb3 Qf6 626e5 Qg6 Nc3 N8e7 Ba3 627[ECO C52 Evans gambit: compromised defence] 628e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 d4 ed o-o dc 629[ECO C52 Evans gambit] 630e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Ba5 631[ECO C51 Evans gambit: Cordel variation] 632e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Be7 d4 Na5 633[ECO C51 Evans gambit: 5...Be7] 634e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Be7 635[ECO C51 Evans gambit: Mayet defence] 636e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bf8 637[ECO C51 Evans gambit: Stone-Ware variation] 638e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bd6 639[ECO C51 Evans gambit: Fraser-Mortimer attack] 640e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 641Nc3 Bg4 Qa4 Bd7 Qb3 Na5 Bf7 Kf8 Qc2 642[ECO C51 Evans gambit: Fraser attack] 643e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 644Nc3 Bg4 Qa4 645[ECO C51 Evans gambit] 646e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 647Nc3 Bg4 648[ECO C51 Evans gambit: Steinitz variation] 649e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 650Nc3 Na5 Bg5 f6 Be3 651[ECO C51 Evans gambit: G\"oring attack] 652e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 653Nc3 Na5 Bg5 654[ECO C51 Evans gambit: Morphy attack] 655e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 656Nc3 657[ECO C51 Evans gambit: Paulsen variation] 658e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 659d5 Na5 Bb2 Ne7 660[ECO C51 Evans gambit: Ulvestad variation] 661e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 662d5 Na5 Bb2 663[ECO C51 Evans gambit: normal variation] 664e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 c3 Bc5 d4 ed o-o d6 cd Bb6 665[ECO C51 Evans gambit] 666e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb4 667[ECO C51 Evans counter-gambit] 668e4 e5 Nf3 Nc6 Bc4 Bc5 b4 d5 669[ECO C51 Evans gambit declined, Cordel variation] 670e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 Bb2 671[ECO C51 Evans gambit declined, Showalter variation] 672e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 a4 a6 Nc3 673[ECO C51 Evans gambit declined, 5.a4] 674e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 a4 675[ECO C51 Evans gambit declined, Hicken variation] 676e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Ne5 Qg5 Qf3 Qe5 Qf7 Kd8 677Bb2 678[ECO C51 Evans gambit declined, V\'asquez variation] 679e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Ne5 Qg5 Bf7 Ke7 Qh5 680[ECO C51 Evans gambit declined, Hirschbach variation] 681e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Ne5 Qg5 682[ECO C51 Evans gambit declined, Pavlov variation] 683e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Ne5 Nh6 d4 d6 Bh6 de 684Bg7 Rg8 Bf7 Kf7 Be5 Qg5 Nd2 685[ECO C51 Evans gambit declined, Lange variation] 686e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Ne5 Nh6 687[ECO C51 Evans gambit declined] 688e4 e5 Nf3 Nc6 Bc4 Bc5 b4 689[ECO C50 Giuoco Pianissimo: Canal variation] 690e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6 Bg5 691[ECO C50 Giuoco Pianissimo: Italian four knights variation] 692e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 693[ECO C50 Giuoco Pianissimo] 694e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 695[ECO C50 Giuoco Pianissimo: Dubois variation] 696e4 e5 Nf3 Nc6 Bc4 Bc5 d3 f5 Ng5 f4 697[ECO C50 Giuoco Pianissimo] 698e4 e5 Nf3 Nc6 Bc4 Bc5 d3 699[ECO C50 Giuoco Piano: Jerome gambit] 700e4 e5 Nf3 Nc6 Bc4 Bc5 Bf7 701[ECO C50 Giuoco Piano: four knights variation] 702e4 e5 Nf3 Nc6 Bc4 Bc5 Nc3 Nf6 703[ECO C50 Giuoco Piano] 704e4 e5 Nf3 Nc6 Bc4 Bc5 705[ECO C50 Hungarian defence: Tartakower variation] 706e4 e5 Nf3 Nc6 Bc4 Be7 d4 ed c3 Nf6 e5 Ne4 707[ECO C50 Hungarian defence] 708e4 e5 Nf3 Nc6 Bc4 Be7 709[ECO C50 Rousseau gambit] 710e4 e5 Nf3 Nc6 Bc4 f5 711[ECO C50 Blackburne shilling gambit] 712e4 e5 Nf3 Nc6 Bc4 Nd4 Ne5 Qg5 Nf7 Qg2 Rf1 Qe4 Be2 Nf3 713[ECO C50 King's pawn game] 714e4 e5 Nf3 Nc6 Bc4 715[ECO C49 Four knights: Nimzovich variation] 716e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o Bc6 717[ECO C49 Four knights: symmetrical, Mar\'oczy system] 718e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Ne2 719[ECO C49 Four knights: symmetrical, Tarrasch variation] 720e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Bg5 Be6 721[ECO C49 Four knights: symmetrical, Blake variation] 722e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Bg5 Ne7 Nh4 c6 723Bc4 d5 Bb3 Qd6 724[ECO C49 Four knights: symmetrical, Pillsbury variation] 725e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Bg5 Ne7 726[ECO C49 Four knights: symmetrical, Capablanca variation] 727e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Bg5 Bc3 bc Qe7 728Re1 Nd8 d4 Bg4 729[ECO C49 Four knights: symmetrical, Metger unpin] 730e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 Bg5 Bc3 bc Qe7 731[ECO C49 Four knights: symmetrical variation] 732e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 d6 733[ECO C49 Four knights: Svenonius variation] 734e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 Bc3 bc d5 735[ECO C49 Four knights: Janowski variation] 736e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 Bc3 bc d6 Re1 737[ECO C49 Four knights] 738e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 Bc3 739[ECO C49 Four knights: Alatortsev variation] 740e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 Qe7 Ne2 d5 741[ECO C49 Four knights: double Ruy Lopez] 742e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o d3 743[ECO C49 Four knights: Gunsberg counter-attack] 744e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 o-o o-o Nd5 Nd5 ed e4 745[ECO C49 Four knights: double Ruy Lopez] 746e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 747[ECO C48 Four knights: Rubinstein counter-gambit, Henneberger variation] 748e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 o-o 749[ECO C48 Four knights: Rubinstein counter-gambit, exchange variation] 750e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nd4 751[ECO C48 Four knights: Rubinstein counter-gambit Mar\'oczy variation] 752e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Be2 Nf3 Bf3 Bc5 o-o o-o d3 d6 753Na4 Bb6 754[ECO C48 Four knights: Rubinstein counter-gambit, 5.Be2] 755e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Be2 756[ECO C48 Four knights: Rubinstein counter-gambit, Bogolyubov variation] 757e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ne5 Qe7 f4 758[ECO C48 Four knights: Rubinstein counter-gambit] 759e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 760[ECO C48 Four knights: Marshall variation] 761e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 o-o o-o Ne5 Nd4 762[ECO C48 Four knights: Bardeleben variation] 763e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 o-o o-o Ne5 Ne5 d4 Bd6 f4 Nc6 764e5 Bb4 765[ECO C48 Four knights: Spanish, classical defence] 766e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 767[ECO C48 Four knights: Spielmann variation] 768e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 a6 Bc6 dc Ne5 Ne4 Ne4 Qd4 o-o Qe5 769Re1 Be6 d4 Qd5 770[ECO C48 Four knights: Ranken variation] 771e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 a6 Bc6 772[ECO C48 Four knights: Spanish variation] 773e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 774[ECO C47 Four knights: Belgrade gambit] 775e4 e5 Nf3 Nc6 Nc3 Nf6 d4 ed Nd5 776[ECO C47 Four knights: Scotch, 4...exd4] 777e4 e5 Nf3 Nc6 Nc3 Nf6 d4 ed 778[ECO C47 Four knights: Scotch, Krause variation] 779e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4 Ne5 780[ECO C47 Four knights: Scotch variation] 781e4 e5 Nf3 Nc6 Nc3 Nf6 d4 782[ECO C46 Four knights: Gunsberg variation] 783e4 e5 Nf3 Nc6 Nc3 Nf6 a3 784[ECO C46 Four knights: Italian variation] 785e4 e5 Nf3 Nc6 Nc3 Nf6 Bc4 786[ECO C46 Four knights: Schultze-M\"uller gambit] 787e4 e5 Nf3 Nc6 Nc3 Nf6 Ne5 788[ECO C46 Four knights game] 789e4 e5 Nf3 Nc6 Nc3 Nf6 790[ECO C46 Three knights: Steinitz, Rosenthal variation] 791e4 e5 Nf3 Nc6 Nc3 g6 d4 ed Nd5 792[ECO C46 Three knights: Steinitz variation] 793e4 e5 Nf3 Nc6 Nc3 g6 794[ECO C46 Three knights: Winawer defence ] 795e4 e5 Nf3 Nc6 Nc3 f5 796[ECO C46 Three knights: Schlechter variation] 797e4 e5 Nf3 Nc6 Nc3 Bb4 Nd5 Nf6 798[ECO C46 Three knights game] 799e4 e5 Nf3 Nc6 Nc3 800[ECO C45 Scotch: Romanishin variation] 801e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Nb3 Bb4 802[ECO C45 Scotch: Potter variation] 803e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Nb3 804[ECO C45 Scotch: Blumenfeld attack] 805e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 Nb5 806[ECO C45 Scotch: Meitner variation] 807e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 c3 N8e7 Nc2 808[ECO C45 Scotch: Paulsen, Gunsberg defence] 809e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 c3 N8e7 Bb5 Nd8 810[ECO C45 Scotch: Paulsen attack] 811e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 c3 N8e7 Bb5 812[ECO C45 Scotch: Gottschall variation] 813e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 c3 N8e7 Qd2 d5 Nb5 Be3 814Qe3 o-o Nc7 Rb8 Nd5 Nd5 ed Nb4 815[ECO C45 Scotch: Blackburne attack] 816e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 Be3 Qf6 c3 N8e7 Qd2 817[ECO C45 Scotch game] 818e4 e5 Nf3 Nc6 d4 ed Nd4 Bc5 819[ECO C45 Scotch: Tartakower variation] 820e4 e5 Nf3 Nc6 d4 ed Nd4 Nf6 Nc6 bc Nd2 821[ECO C45 Scotch: Mieses variation] 822e4 e5 Nf3 Nc6 d4 ed Nd4 Nf6 Nc6 bc e5 823[ECO C45 Scotch: Schmidt variation] 824e4 e5 Nf3 Nc6 d4 ed Nd4 Nf6 825[ECO C45 Scotch: Steinitz variation] 826e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nc3 827[ECO C45 Scotch: Fraser attack] 828e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nf3 829[ECO C45 Scotch: Rosenthal variation] 830e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nb5 Bb4 Bd2 Qe4 Be2 Kd8 o-o Bd2 831Nd2 Qg6 832[ECO C45 Scotch game] 833e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nb5 Bb4 Bd2 834[ECO C45 Scotch: Berger variation] 835e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nb5 Bb4 Nd2 Qe4 Be2 Qg2 Bf3 Qh3 836Nc7 Kd8 Na8 Nf6 a3 837[ECO C45 Scotch: Horwitz attack] 838e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 Nb5 839[ECO C45 Scotch: Pulling counter-attack] 840e4 e5 Nf3 Nc6 d4 ed Nd4 Qh4 841[ECO C45 Scotch: Ghulam Kassim variation] 842e4 e5 Nf3 Nc6 d4 ed Nd4 Nd4 Qd4 d6 Bd3 843[ECO C45 Scotch game] 844e4 e5 Nf3 Nc6 d4 ed Nd4 845[ECO C44 Scotch gambit: Dubois-R\'eti defence] 846e4 e5 Nf3 Nc6 d4 ed Bc4 Nf6 847[ECO C44 Scotch gambit: Benima defence] 848e4 e5 Nf3 Nc6 d4 ed Bc4 Be7 849[ECO C44 Scotch gambit: Cochrane variation] 850e4 e5 Nf3 Nc6 d4 ed Bc4 Bb4 c3 dc bc Ba5 e5 851[ECO C44 Scotch gambit] 852e4 e5 Nf3 Nc6 d4 ed Bc4 Bb4 c3 dc bc 853[ECO C44 Scotch gambit: Hanneken variation] 854e4 e5 Nf3 Nc6 d4 ed Bc4 Bb4 c3 dc o-o cb Bb2 Nf6 Ng5 o-o 855e5 Ne5 856[ECO C44 Scotch gambit] 857e4 e5 Nf3 Nc6 d4 ed Bc4 Bb4 858[ECO C44 Scotch gambit: Vitzhum attack] 859e4 e5 Nf3 Nc6 d4 ed Bc4 Bc5 Ng5 Nh6 Qh5 860[ECO C44 Scotch gambit: Cochrane-Shumov defence] 861e4 e5 Nf3 Nc6 d4 ed Bc4 Bc5 Ng5 Nh6 Nf7 Nf7 Bf7 Kf7 Qh5 g6 862Qc5 d5 863[ECO C44 Scotch gambit] 864e4 e5 Nf3 Nc6 d4 ed Bc4 Bc5 Ng5 865[ECO C44 Scotch gambit: Anderssen counter-attack] 866e4 e5 Nf3 Nc6 d4 ed Bc4 Bc5 o-o d6 c3 Bg4 867[ECO C44 Scotch gambit] 868e4 e5 Nf3 Nc6 d4 ed Bc4 869[ECO C44 Scotch: G\"oring gambit, Bardeleben variation] 870e4 e5 Nf3 Nc6 d4 ed c3 dc Nc3 Bb4 Bc4 Nf6 871[ECO C44 Scotch: G\"oring gambit] 872e4 e5 Nf3 Nc6 d4 ed c3 dc Nc3 Bb4 873[ECO C44 Scotch: Sea-cadet mate] 874e4 e5 Nf3 Nc6 d4 ed c3 dc Nc3 d6 Bc4 Bg4 o-o Ne5 Ne5 Bd1 875Bf7 Ke7 Nd5 876[ECO C44 Scotch: G\"oring gambit] 877e4 e5 Nf3 Nc6 d4 ed c3 878[ECO C44 Scotch: Relfsson gambit ] 879e4 e5 Nf3 Nc6 d4 ed Bb5 880[ECO C44 Scotch: Cochrane variation] 881e4 e5 Nf3 Nc6 d4 Nd4 Ne5 Ne6 Bc4 c6 o-o Nf6 Nf7 882[ECO C44 Scotch: Lolli variation] 883e4 e5 Nf3 Nc6 d4 Nd4 884[ECO C44 Scotch opening] 885e4 e5 Nf3 Nc6 d4 886[ECO C44 Ponziani counter-gambit, Cordel variation] 887e4 e5 Nf3 Nc6 c3 f5 d4 d6 d5 fe Ng5 Nb8 Ne4 Nf6 Bd3 Be7 888[ECO C44 Ponziani counter-gambit, Schmidt attack] 889e4 e5 Nf3 Nc6 c3 f5 d4 d6 d5 890[ECO C44 Ponziani counter-gambit] 891e4 e5 Nf3 Nc6 c3 f5 892[ECO C44 Ponziani: Romanishin variation] 893e4 e5 Nf3 Nc6 c3 Be7 894[ECO C44 Ponziani: R\'eti variation] 895e4 e5 Nf3 Nc6 c3 N8e7 896[ECO C44 Ponziani: Fraser defence] 897e4 e5 Nf3 Nc6 c3 Nf6 d4 Ne4 d5 Bc5 898[ECO C44 Ponziani: Jaenisch counter-attack] 899e4 e5 Nf3 Nc6 c3 Nf6 900[ECO C44 Ponziani: Steinitz variation] 901e4 e5 Nf3 Nc6 c3 d5 Qa4 f6 902[ECO C44 Ponziani: Leonhardt variation] 903e4 e5 Nf3 Nc6 c3 d5 Qa4 Nf6 904[ECO C44 Ponziani: Caro variation] 905e4 e5 Nf3 Nc6 c3 d5 Qa4 Bd7 906[ECO C44 Ponziani opening] 907e4 e5 Nf3 Nc6 c3 908[ECO C44 Tayler opening] 909e4 e5 Nf3 Nc6 Be2 Nf6 d4 910[ECO C44 Inverted Hanham] 911e4 e5 Nf3 Nc6 Be2 Nf6 d3 d5 N1d2 912[ECO C44 Inverted Hungarian] 913e4 e5 Nf3 Nc6 Be2 914[ECO C44 Dresden opening] 915e4 e5 Nf3 Nc6 c4 916[ECO C44 Konstantinopolsky opening] 917e4 e5 Nf3 Nc6 g3 918[ECO C44 Irish gambit] 919e4 e5 Nf3 Nc6 Ne5 Ne5 d4 920[ECO C44 King's pawn game] 921e4 e5 Nf3 Nc6 922[ECO C43 Petrov: modern attack, Trifunovi\'c variation] 923e4 e5 Nf3 Nf6 d4 Ne4 Bd3 d5 Ne5 Bd6 o-o o-o c4 Be5 924[ECO C43 Petrov: modern attack, Symmetrical variation] 925e4 e5 Nf3 Nf6 d4 Ne4 926[ECO C43 Petrov: Urusov gambit] 927e4 e5 Nf3 Nf6 d4 ed Bc4 928[ECO C43 Petrov: modern attack, Bardeleben variation] 929e4 e5 Nf3 Nf6 d4 ed e5 Ne4 Qe2 Nc5 Nd4 Nc6 930[ECO C43 Petrov: modern attack, Steinitz variation] 931e4 e5 Nf3 Nf6 d4 ed e5 Ne4 Qe2 932[ECO C43 Petrov: modern attack, main line] 933e4 e5 Nf3 Nf6 d4 ed e5 Ne4 Qd4 934[ECO C43 Petrov: modern attack] 935e4 e5 Nf3 Nf6 d4 936[ECO C42 Petrov: Italian variation] 937e4 e5 Nf3 Nf6 Bc4 938[ECO C42 Petrov three knights game] 939e4 e5 Nf3 Nf6 Nc3 940[ECO C42 Petrov: Damiano variation] 941e4 e5 Nf3 Nf6 Ne5 Ne4 942[ECO C42 Petrov: Paulsen attack] 943e4 e5 Nf3 Nf6 Ne5 d6 Nc4 944[ECO C42 Petrov: Cochrane gambit] 945e4 e5 Nf3 Nf6 Ne5 d6 Nf7 946[ECO C42 Petrov: classical attack, close variation] 947e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 Nf6 948[ECO C42 Petrov: classical attack, Marshall trap] 949e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Bd6 o-o o-o c4 Bg4 950cd f5 Re1 Bh2 951[ECO C42 Petrov: classical attack, Tarrasch variation] 952e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Bd6 o-o o-o c4 Bg4 953[ECO C42 Petrov: classical attack, Marshall variation] 954e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Bd6 955[ECO C42 Petrov: classical attack, Mason variation] 956e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o o-o 957[ECO C42 Petrov: classical attack, Jaenisch variation] 958e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o Nc6 c4 959[ECO C42 Petrov: classical attack, Mar\'oczy variation] 960e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o Nc6 Re1 Bg4 961c3 f5 c4 Bh4 962[ECO C42 Petrov: classical attack, Krause variation] 963e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o Nc6 Re1 Bg4 964c3 f5 c4 965[ECO C42 Petrov: classical attack, Berger variation] 966e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o Nc6 Re1 Bg4 967c3 f5 N1d2 968[ECO C42 Petrov: classical attack, Chigorin variation] 969e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 d5 Bd3 Be7 o-o Nc6 Re1 970[ECO C42 Petrov: classical attack] 971e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d4 972[ECO C42 Petrov: Cozio attack] 973e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 Qe2 974[ECO C42 Petrov: Nimzovich attack] 975e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 Nc3 976[ECO C42 Petrov: Kaufmann attack] 977e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 c4 978[ECO C42 Petrov: French attack] 979e4 e5 Nf3 Nf6 Ne5 d6 Nf3 Ne4 d3 980[ECO C42 Petrov's defence] 981e4 e5 Nf3 Nf6 982[ECO C41 Philidor: Hanham, Delmar variation] 983e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 c3 984[ECO C41 Philidor: Hanham, Schlechter variation] 985e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Nc3 986[ECO C41 Philidor: Hanham, Berger variation] 987e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Ng5 Nh6 f4 Be7 o-o o-o c3 d5 988[ECO C41 Philidor: Hanham, Kmoch variation] 989e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Ng5 990[ECO C41 Philidor: Hanham, Steiner variation] 991e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 o-o Be7 de 992[ECO C41 Philidor: Hanham, Krause variation] 993e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 o-o 994[ECO C41 Philidor: Hanham variation] 995e4 e5 Nf3 d6 d4 Nd7 996[ECO C41 Philidor: Nimzovich, Klein variation] 997e4 e5 Nf3 d6 d4 Nf6 Bc4 998[ECO C41 Philidor: Nimzovich, Locock variation] 999e4 e5 Nf3 d6 d4 Nf6 Ng5 1000[ECO C41 Philidor: Nimzovich, Rellstab variation] 1001e4 e5 Nf3 d6 d4 Nf6 de Ne4 Qd5 1002[ECO C41 Philidor: Nimzovich, Sokolsky variation] 1003e4 e5 Nf3 d6 d4 Nf6 de Ne4 N1d2 1004[ECO C41 Philidor: Nimzovich variation] 1005e4 e5 Nf3 d6 d4 Nf6 de 1006[ECO C41 Philidor: Nimzovich, L\"arobok variation] 1007e4 e5 Nf3 d6 d4 Nf6 Nc3 N8d7 Bc4 Be7 Ng5 o-o Bf7 1008[ECO C41 Philidor: Nimzovich, Sozin variation] 1009e4 e5 Nf3 d6 d4 Nf6 Nc3 N8d7 Bc4 Be7 o-o o-o Qe2 c6 a4 ed 1010[ECO C41 Philidor: Improved Hanham variation] 1011e4 e5 Nf3 d6 d4 Nf6 Nc3 N8d7 1012[ECO C41 Philidor: Nimzovich variation] 1013e4 e5 Nf3 d6 d4 Nf6 1014[ECO C41 Philidor: Larsen variation] 1015e4 e5 Nf3 d6 d4 ed Nd4 g6 1016[ECO C41 Philidor: Berger variation] 1017e4 e5 Nf3 d6 d4 ed Nd4 Nf6 Nc3 Be7 Be2 o-o o-o c5 Nf3 Nc6 1018Bg5 Be6 Re1 1019[ECO C41 Philidor: exchange variation] 1020e4 e5 Nf3 d6 d4 ed Nd4 Nf6 1021[ECO C41 Philidor: Paulsen attack] 1022e4 e5 Nf3 d6 d4 ed Nd4 d5 ed 1023[ECO C41 Philidor: exchange variation] 1024e4 e5 Nf3 d6 d4 ed Nd4 1025[ECO C41 Philidor: Boden variation] 1026e4 e5 Nf3 d6 d4 ed Qd4 Bd7 1027[ECO C41 Philidor: exchange variation] 1028e4 e5 Nf3 d6 d4 ed 1029[ECO C41 Philidor: Philidor counter-gambit, Zukertort variation] 1030e4 e5 Nf3 d6 d4 f5 Nc3 1031[ECO C41 Philidor: Philidor counter-gambit, Berger variation] 1032e4 e5 Nf3 d6 d4 f5 de fe Ng5 d5 e6 Bc5 Nc3 1033[ECO C41 Philidor: Philidor counter-gambit, del Rio attack] 1034e4 e5 Nf3 d6 d4 f5 de fe Ng5 d5 e6 1035[ECO C41 Philidor: Philidor counter-gambit] 1036e4 e5 Nf3 d6 d4 f5 1037[ECO C41 Philidor's defence] 1038e4 e5 Nf3 d6 d4 1039[ECO C41 Philidor: L\'opez counter-gambit, Jaenisch variation] 1040e4 e5 Nf3 d6 Bc4 f5 d4 ed Ng5 Nh6 Nh7 1041[ECO C41 Philidor: L\'opez counter-gambit] 1042e4 e5 Nf3 d6 Bc4 f5 1043[ECO C41 Philidor: Steinitz variation] 1044e4 e5 Nf3 d6 Bc4 Be7 c3 1045[ECO C41 Philidor's defence] 1046e4 e5 Nf3 d6 1047[ECO C40 Latvian: corkscrew counter-gambit] 1048e4 e5 Nf3 f5 Bc4 fe Ne5 Nf6 1049[ECO C40 Latvian: Polerio variation] 1050e4 e5 Nf3 f5 Bc4 fe Ne5 d5 1051[ECO C40 Latvian: Behting variation] 1052e4 e5 Nf3 f5 Bc4 fe Ne5 Qg5 Nf7 Qg2 Rf1 d5 Nh8 Nf6 1053[ECO C40 Latvian gambit, 3.Bc4] 1054e4 e5 Nf3 f5 Bc4 1055[ECO C40 Latvian: Fraser defence] 1056e4 e5 Nf3 f5 Ne5 Nc6 1057[ECO C40 Latvian: Nimzovich variation] 1058e4 e5 Nf3 f5 Ne5 Qf6 d4 d6 Nc4 fe Ne3 1059[ECO C40 Latvian counter-gambit] 1060e4 e5 Nf3 f5 1061[ECO C40 QP counter-gambit: Maroczy gambit] 1062e4 e5 Nf3 d5 ed Bd6 1063[ECO C40 QP counter-gambit ] 1064e4 e5 Nf3 d5 1065[ECO C40 Damiano's defence] 1066e4 e5 Nf3 f6 1067[ECO C40 Greco defence] 1068e4 e5 Nf3 Qf6 1069[ECO C40 Gunderam defence] 1070e4 e5 Nf3 Qe7 1071[ECO C40 King's knight opening] 1072e4 e5 Nf3 1073[ECO C39 KGA: Kieseritsky, Rice gambit] 1074e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Nf6 Bc4 d5 ed Bd6 o-o 1075[ECO C39 KGA: Kieseritsky, Berlin defence, 6.Bc4] 1076e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Nf6 Bc4 1077[ECO C39 KGA: Kieseritsky, Berlin defence, Rivi\`ere variation] 1078e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Nf6 Ng4 d5 1079[ECO C39 KGA: Kieseritsky, Berlin defence] 1080e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Nf6 1081[ECO C39 KGA: Kieseritsky, Kolisch defence] 1082e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 d6 1083[ECO C39 KGA: Kieseritsky, Neumann defence] 1084e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Nc6 1085[ECO C39 KGA: Kieseritsky, Polerio defence] 1086e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Be7 1087[ECO C39 KGA: Kieseritsky, Salvio defence, Cozio variation] 1088e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Qe7 d4 f5 Bc4 1089[ECO C39 KGA: Kieseritsky, Salvio defence] 1090e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Qe7 1091[ECO C39 KGA: Kieseritsky, Brentano defence, Caro variation] 1092e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 Bf4 Ne4 Nd2 1093[ECO C39 KGA: Kieseritsky, Brentano defence] 1094e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 Bf4 1095[ECO C39 KGA: Kieseritsky, Brentano defence, Kaplanek variation] 1096e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 ed Qd5 Nc3 Bb4 1097Kf2 1098[ECO C39 KGA: Kieseritsky, Brentano defence] 1099e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 d5 1100[ECO C39 KGA: Kieseritsky, long whip defence, Jaenisch variation] 1101e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 h5 Bc4 Rh7 d4 Bh6 Nc3 1102[ECO C39 KGA: Kieseritsky, long whip defence] 1103e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 h5 1104[ECO C39 KGA: Kieseritsky, Paulsen defence] 1105e4 e5 f4 ef Nf3 g5 h4 g4 Ne5 Bg7 1106[ECO C39 KGA: Allgaier, Schlechter defence] 1107e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 Nf6 1108[ECO C39 KGA: Allgaier, Urusov attack] 1109e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 Bc4 d5 Bd5 Kg7 1110d4 1111[ECO C39 KGA: Allgaier, Walker attack] 1112e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 Bc4 1113[ECO C39 KGA: Allgaier, Blackburne gambit] 1114e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 Nc3 1115[ECO C39 KGA: Allgaier, Cook variation] 1116e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 d4 d5 Bf4 de 1117Bc4 Kg7 Be5 1118[ECO C39 KGA: Allgaier, Thorold variation] 1119e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 d4 1120[ECO C39 KGA: Allgaier, Horny defence] 1121e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 h6 Nf7 Kf7 Qg4 Nf6 Qf4 Bd6 1122[ECO C39 KGA: Allgaier gambit] 1123e4 e5 f4 ef Nf3 g5 h4 g4 Ng5 1124[ECO C39 King's knight's gambit] 1125e4 e5 f4 ef Nf3 g5 h4 1126[ECO C38 KGA: Philidor gambit, Schultz variation] 1127e4 e5 f4 ef Nf3 g5 Bc4 Bg7 h4 h6 d4 d6 Qd3 1128[ECO C38 KGA: Greco gambit] 1129e4 e5 f4 ef Nf3 g5 Bc4 Bg7 h4 h6 d4 d6 Nc3 c6 hg hg 1130Rh8 Bh8 Ne5 1131[ECO C38 KGA: Philidor gambit] 1132e4 e5 f4 ef Nf3 g5 Bc4 Bg7 h4 1133[ECO C38 KGA: Hanstein gambit] 1134e4 e5 f4 ef Nf3 g5 Bc4 Bg7 o-o 1135[ECO C38 King's knight's gambit] 1136e4 e5 f4 ef Nf3 g5 Bc4 Bg7 1137[ECO C37 KGA: Muzio gambit, Brentano defence] 1138e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o d5 1139[ECO C37 KGA: Muzio gambit, Kling and Horwitz counter-attack] 1140e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o Qe7 1141[ECO C37 KGA: Muzio gambit, Holloway defence] 1142e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o gf Qf3 Nc6 1143[ECO C37 KGA: Muzio gambit, From defence] 1144e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o gf Qf3 Qe7 1145[ECO C37 KGA: double Muzio gambit] 1146e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o gf Qf3 Qf6 e5 Qe5 Bf7 1147[ECO C37 KGA: Muzio gambit, Paulsen variation] 1148e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o gf Qf3 Qf6 e5 Qe5 d3 Bh6 1149Nc3 Ne7 Bd2 N8c6 a1e1 1150[ECO C37 KGA: Muzio gambit] 1151e4 e5 f4 ef Nf3 g5 Bc4 g4 o-o 1152[ECO C37 KGA: Herzfeld gambit] 1153e4 e5 f4 ef Nf3 g5 Bc4 g4 Ne5 Qh4 Kf1 Nc6 1154[ECO C37 KGA: Cochrane gambit] 1155e4 e5 f4 ef Nf3 g5 Bc4 g4 Ne5 Qh4 Kf1 f3 1156[ECO C37 KGA: Salvio gambit, Anderssen counter-attack] 1157e4 e5 f4 ef Nf3 g5 Bc4 g4 Ne5 Qh4 Kf1 Nh6 d4 d6 1158[ECO C37 KGA: Silberschmidt gambit] 1159e4 e5 f4 ef Nf3 g5 Bc4 g4 Ne5 Qh4 Kf1 Nh6 d4 f3 1160[ECO C37 KGA: Salvio gambit] 1161e4 e5 f4 ef Nf3 g5 Bc4 g4 Ne5 1162[ECO C37 KGA: MacDonnell gambit] 1163e4 e5 f4 ef Nf3 g5 Bc4 g4 Nc3 1164[ECO C37 KGA: Ghulam Kassim gambit] 1165e4 e5 f4 ef Nf3 g5 Bc4 g4 d4 1166[ECO C37 KGA: Lolli gambit, Young variation] 1167e4 e5 f4 ef Nf3 g5 Bc4 g4 Bf7 Kf7 o-o gf Qf3 Qf6 d4 Qd4 1168Be3 Qf6 Nc3 1169[ECO C37 KGA: Lolli gambit ] 1170e4 e5 f4 ef Nf3 g5 Bc4 g4 Bf7 1171[ECO C37 KGA: Blachly gambit] 1172e4 e5 f4 ef Nf3 g5 Bc4 Nc6 1173[ECO C37 KGA: King's knight's gambit] 1174e4 e5 f4 ef Nf3 g5 Bc4 1175[ECO C37 KGA: S\o rensen gambit] 1176e4 e5 f4 ef Nf3 g5 d4 g4 Ne5 1177[ECO C37 KGA: Rosentreter gambit] 1178e4 e5 f4 ef Nf3 g5 d4 1179[ECO C37 KGA: Quaade gambit] 1180e4 e5 f4 ef Nf3 g5 Nc3 1181[ECO C36 KGA: Abbazia defence, Botvinnik variation] 1182e4 e5 f4 ef Nf3 d5 ed Nf6 Bb5 c6 dc bc Bc4 Nd5 1183[ECO C36 KGA: Abbazia defence, modern variation] 1184e4 e5 f4 ef Nf3 d5 ed Nf6 1185[ECO C36 KGA: Abbazia defence ] 1186e4 e5 f4 ef Nf3 d5 1187[ECO C35 KGA: Cunningham, Euwe defence] 1188e4 e5 f4 ef Nf3 Be7 Bc4 Nf6 1189[ECO C35 KGA: Cunningham, three pawns gambit] 1190e4 e5 f4 ef Nf3 Be7 Bc4 Bh4 g3 fg o-o gh Kh1 1191[ECO C35 KGA: Cunningham, Bertin gambit] 1192e4 e5 f4 ef Nf3 Be7 Bc4 Bh4 g3 1193[ECO C35 KGA: Cunningham defence] 1194e4 e5 f4 ef Nf3 Be7 1195[ECO C34 KGA: Schallop defence] 1196e4 e5 f4 ef Nf3 Nf6 1197[ECO C34 KGA: Becker defence] 1198e4 e5 f4 ef Nf3 h6 1199[ECO C34 KGA: Fischer defence] 1200e4 e5 f4 ef Nf3 d6 1201[ECO C34 KGA: Gianutio counter-gambit] 1202e4 e5 f4 ef Nf3 f5 1203[ECO C34 KGA: Bonsch-Osmolovsky variation] 1204e4 e5 f4 ef Nf3 Ne7 1205[ECO C34 King's knight's gambit] 1206e4 e5 f4 ef Nf3 1207[ECO C33 KGA: bishop's gambit, Jaenisch variation] 1208e4 e5 f4 ef Bc4 Nf6 Nc3 c6 1209[ECO C33 KGA: bishop's gambit, Paulsen attack] 1210e4 e5 f4 ef Bc4 Nf6 Nc3 Bb4 e5 1211[ECO C33 KGA: bishop's gambit, Bogolyubov variation] 1212e4 e5 f4 ef Bc4 Nf6 Nc3 1213[ECO C33 KGA: bishop's gambit, Cozio defence] 1214e4 e5 f4 ef Bc4 Nf6 1215[ECO C33 KGA: bishop's gambit, Morphy variation] 1216e4 e5 f4 ef Bc4 d5 Bd5 Nf6 1217[ECO C33 KGA: bishop's gambit, Anderssen variation] 1218e4 e5 f4 ef Bc4 d5 Bd5 c6 1219[ECO C33 KGA: bishop's gambit, Bor\'en-Svenonius variation] 1220e4 e5 f4 ef Bc4 d5 Bd5 Qh4 Kf1 Bd6 1221[ECO C33 KGA: bishop's gambit, Gifford variation] 1222e4 e5 f4 ef Bc4 d5 Bd5 Qh4 Kf1 g5 g3 1223[ECO C33 KGA: bishop's gambit, Bledow variation] 1224e4 e5 f4 ef Bc4 d5 1225[ECO C33 KGA: L\'opez-Gianutio counter-gambit, Hein variation] 1226e4 e5 f4 ef Bc4 f5 Qe2 Qh4 Kd1 fe Nc3 Kd8 1227[ECO C33 KGA: bishop's gambit, L\'opez-Gianutio counter-gambit] 1228e4 e5 f4 ef Bc4 f5 1229[ECO C33 KGA: bishop's gambit, Ruy L\'opez defence] 1230e4 e5 f4 ef Bc4 c6 1231[ECO C33 KGA: bishop's gambit, Maurian defence] 1232e4 e5 f4 ef Bc4 Nc6 1233[ECO C33 KGA: bishop's gambit, Steinitz defence] 1234e4 e5 f4 ef Bc4 Ne7 1235[ECO C33 KGA: bishop's gambit, Bryan counter-gambit] 1236e4 e5 f4 ef Bc4 b5 1237[ECO C33 KGA: bishop's gambit, Bryan counter-gambit] 1238e4 e5 f4 ef Bc4 Qh4 Kf1 b5 1239[ECO C33 KGA: bishop's gambit, Boden defence] 1240e4 e5 f4 ef Bc4 Qh4 Kf1 Nc6 1241[ECO C33 KGA: bishop's gambit, classical defence, Cozio attack] 1242e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Qf3 1243[ECO C33 KGA: bishop's gambit, Fraser variation] 1244e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Nc3 Bg7 g3 fg Qf3 1245[ECO C33 KGA: bishop's gambit, McDonnell attack] 1246e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Nc3 Bg7 g3 1247[ECO C33 KGA: bishop's gambit, McDonnell attack] 1248e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Nc3 Bg7 d4 Ne7 g3 1249[ECO C33 KGA: bishop's gambit, classical defence] 1250e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Nc3 Bg7 d4 Ne7 1251[ECO C33 KGA: bishop's gambit, Grimm attack] 1252e4 e5 f4 ef Bc4 Qh4 Kf1 g5 Nc3 Bg7 d4 d6 e5 1253[ECO C33 KGA: bishop's gambit, classical defence] 1254e4 e5 f4 ef Bc4 Qh4 Kf1 g5 1255[ECO C33 KGA: bishop's gambit, Greco variation] 1256e4 e5 f4 ef Bc4 Qh4 Kf1 Bc5 1257[ECO C33 KGA: bishop's gambit, Chigorin's attack] 1258e4 e5 f4 ef Bc4 Qh4 Kf1 d5 Bd5 g5 g3 1259[ECO C33 KGA: bishop's gambit] 1260e4 e5 f4 ef Bc4 1261[ECO C33 KGA: Lesser bishop's gambit] 1262e4 e5 f4 ef Be2 1263[ECO C33 KGA: Breyer gambit] 1264e4 e5 f4 ef Qf3 1265[ECO C33 KGA: Keres gambit] 1266e4 e5 f4 ef Nc3 1267[ECO C33 KGA: Villemson gambit] 1268e4 e5 f4 ef d4 1269[ECO C33 KGA: Carrera gambit] 1270e4 e5 f4 ef Qe2 1271[ECO C33 KGA: Schurig gambit] 1272e4 e5 f4 ef Bd3 1273[ECO C33 KGA: Pawn's gambit ] 1274e4 e5 f4 ef h4 1275[ECO C33 KGA: Orsini gambit] 1276e4 e5 f4 ef b3 1277[ECO C33 KGA: Tumbleweed gambit] 1278e4 e5 f4 ef Kf2 1279[ECO C33 King's gambit accepted] 1280e4 e5 f4 ef 1281[ECO C32 KGD: Falkbeer, R\'eti variation] 1282e4 e5 f4 d5 ed e4 d3 Nf6 Qe2 1283[ECO C32 KGD: Falkbeer, Keres variation] 1284e4 e5 f4 d5 ed e4 d3 Nf6 Nd2 1285[ECO C32 KGD: Falkbeer, Charousek variation] 1286e4 e5 f4 d5 ed e4 d3 Nf6 de Ne4 Qe2 Qd5 Nd2 f5 g4 1287[ECO C32 KGD: Falkbeer, Charousek gambit] 1288e4 e5 f4 d5 ed e4 d3 Nf6 de Ne4 Qe2 1289[ECO C32 KGD: Falkbeer, Tarrasch variation] 1290e4 e5 f4 d5 ed e4 d3 Nf6 de Ne4 Nf3 Bc5 Qe2 Bf5 g4 o-o 1291[ECO C32 KGD: Falkbeer, main line, 7...Bf5] 1292e4 e5 f4 d5 ed e4 d3 Nf6 de Ne4 Nf3 Bc5 Qe2 Bf5 1293[ECO C32 KGD: Falkbeer, Alapin variation] 1294e4 e5 f4 d5 ed e4 d3 Nf6 de Ne4 Nf3 Bc5 Qe2 Bf2 Kd1 Qd5 1295N3d2 1296[ECO C32 KGD: Falkbeer, 5.de] 1297e4 e5 f4 d5 ed e4 d3 Nf6 de 1298[ECO C31 KGD: Falkbeer, Morphy gambit] 1299e4 e5 f4 d5 ed e4 d3 Nf6 Nc3 Bb4 Bd2 e3 1300[ECO C31 KGD: Falkbeer, 4.d3] 1301e4 e5 f4 d5 ed e4 d3 1302[ECO C31 KGD: Falkbeer, Nimzovich variation] 1303e4 e5 f4 d5 ed e4 Bb5 1304[ECO C31 KGD: Falkbeer, Rubinstein variation] 1305e4 e5 f4 d5 ed e4 Nc3 Nf6 Qe2 1306[ECO C31 KGD: Falkbeer, 3...e4] 1307e4 e5 f4 d5 ed e4 1308[ECO C31 KGD: Nimzovich counter-gambit] 1309e4 e5 f4 d5 ed c6 1310[ECO C31 KGD: Falkbeer counter-gambit] 1311e4 e5 f4 d5 ed 1312[ECO C31 KGD: Falkbeer, Milner-Barry variation] 1313e4 e5 f4 d5 Nc3 1314[ECO C31 KGD: Falkbeer, Tartakower variation] 1315e4 e5 f4 d5 Nf3 1316[ECO C31 KGD: Falkbeer counter-gambit] 1317e4 e5 f4 d5 1318[ECO C30 KGD: 2...Nf6] 1319e4 e5 f4 Nf6 1320[ECO C30 KGD: classical, Heath variation] 1321e4 e5 f4 Bc5 Nf3 d6 b4 1322[ECO C30 KGD: classical, Soldatenkov variation] 1323e4 e5 f4 Bc5 Nf3 d6 fe 1324[ECO C30 KGD: classical, R\'eti variation] 1325e4 e5 f4 Bc5 Nf3 d6 c3 f5 fe de d4 ed Bc4 1326[ECO C30 KGD: classical counter-gambit] 1327e4 e5 f4 Bc5 Nf3 d6 c3 f5 1328[ECO C30 KGD: classical, Marshall attack] 1329e4 e5 f4 Bc5 Nf3 d6 c3 Bg4 fe de Qa4 1330[ECO C30 KGD: classical, 4.c3] 1331e4 e5 f4 Bc5 Nf3 d6 c3 1332[ECO C30 KGD: classical, Hanham variation] 1333e4 e5 f4 Bc5 Nf3 d6 Nc3 Nd7 1334[ECO C30 KGD: classical, Svenonius variation] 1335e4 e5 f4 Bc5 Nf3 d6 Nc3 Nf6 Bc4 Nc6 d3 Bg4 h3 Bf3 Qf3 ef 1336[ECO C30 KGD: classical variation] 1337e4 e5 f4 Bc5 1338[ECO C30 KGD: Norwalde variation, B\"ucker gambit] 1339e4 e5 f4 Qf6 Nf3 Qf4 Nc3 Bb4 Bc4 1340[ECO C30 KGD: Norwalde variation] 1341e4 e5 f4 Qf6 1342[ECO C30 KGD: Mafia defence] 1343e4 e5 f4 c5 1344[ECO C30 KGD: Keene's defence] 1345e4 e5 f4 Qh4 g3 Qe7 1346[ECO C30 King's gambit] 1347e4 e5 f4 1348[ECO C29 Vienna gambit, Steinitz variation] 1349e4 e5 Nc3 Nf6 f4 d5 d3 1350[ECO C29 Vienna gambit, Wurzburger trap] 1351e4 e5 Nc3 Nf6 f4 d5 fe Ne4 d3 Qh4 g3 Ng3 Nf3 Qh5 Nd5 1352[ECO C29 Vienna gambit] 1353e4 e5 Nc3 Nf6 f4 d5 fe Ne4 d3 1354[ECO C29 Vienna gambit: Heyde variation] 1355e4 e5 Nc3 Nf6 f4 d5 fe Ne4 Qf3 f5 d4 1356[ECO C29 Vienna gambit: Bardeleben variation] 1357e4 e5 Nc3 Nf6 f4 d5 fe Ne4 Qf3 f5 1358[ECO C29 Vienna gambit: Paulsen attack] 1359e4 e5 Nc3 Nf6 f4 d5 fe Ne4 Qf3 1360[ECO C29 Vienna gambit: Breyer variation] 1361e4 e5 Nc3 Nf6 f4 d5 fe Ne4 Nf3 Be7 1362[ECO C29 Vienna gambit: Kaufmann variation] 1363e4 e5 Nc3 Nf6 f4 d5 fe Ne4 Nf3 Bg4 Qe2 1364[ECO C29 Vienna gambit] 1365e4 e5 Nc3 Nf6 f4 d5 1366[ECO C?? Vienna gambit] 1367e4 e5 Nc3 Nf6 f4 1368[ECO C28 Vienna game] 1369e4 e5 Nc3 Nf6 Bc4 Nc6 1370[ECO C27 Boden-Kieseritsky gambit: Lichtenhein defence] 1371e4 e5 Nc3 Nf6 Bc4 Ne4 Nf3 d5 1372[ECO C27 Boden-Kieseritsky gambit] 1373e4 e5 Nc3 Nf6 Bc4 Ne4 Nf3 1374[ECO C27 Vienna: Alekhine variation] 1375e4 e5 Nc3 Nf6 Bc4 Ne4 Qh5 Nd6 Bb3 Be7 Nf3 Nc6 Ne5 1376[ECO C27 Vienna game] 1377e4 e5 Nc3 Nf6 Bc4 Ne4 Qh5 Nd6 Bb3 Be7 1378[ECO C27 Vienna: Adams' gambit] 1379e4 e5 Nc3 Nf6 Bc4 Ne4 Qh5 Nd6 Bb3 Nc6 d4 1380[ECO C27 Vienna: `Frankenstein-Dracula' variation] 1381e4 e5 Nc3 Nf6 Bc4 Ne4 Qh5 Nd6 Bb3 Nc6 Nb5 g6 Qf3 f5 Qd5 Qe7 1382Nc7 Kd8 Na8 b6 1383[ECO C27 Vienna game] 1384e4 e5 Nc3 Nf6 Bc4 Ne4 1385[ECO C26 Vienna game] 1386e4 e5 Nc3 Nf6 Bc4 1387[ECO C26 Vienna: Paulsen-Mieses variation] 1388e4 e5 Nc3 Nf6 g3 1389[ECO C26 Vienna: Mengarini variation] 1390e4 e5 Nc3 Nf6 a3 1391[ECO C26 Vienna: Falkbeer variation] 1392e4 e5 Nc3 Nf6 1393[ECO C25 Vienna: Pierce gambit, Rushmere attack] 1394e4 e5 Nc3 Nc6 f4 ef Nf3 g5 d4 g4 Bc4 gf o-o d5 ed Bg4 1395dc 1396[ECO C25 Vienna: Pierce gambit] 1397e4 e5 Nc3 Nc6 f4 ef Nf3 g5 d4 1398[ECO C25 Vienna: Hamppe-Muzio, Dubois variation] 1399e4 e5 Nc3 Nc6 f4 ef Nf3 g5 Bc4 g4 o-o gf Qf3 Ne5 Qf4 Qf6 1400[ECO C25 Vienna: Hamppe-Muzio gambit] 1401e4 e5 Nc3 Nc6 f4 ef Nf3 g5 Bc4 g4 o-o 1402[ECO C25 Vienna: Hamppe-Allgaier gambit, Alapin variation] 1403e4 e5 Nc3 Nc6 f4 ef Nf3 g5 h4 g4 Ng5 d6 1404[ECO C25 Vienna: Hamppe-Allgaier gambit] 1405e4 e5 Nc3 Nc6 f4 ef Nf3 g5 h4 g4 Ng5 1406[ECO C25 Vienna gambit] 1407e4 e5 Nc3 Nc6 f4 ef Nf3 1408[ECO C25 Vienna: Steinitz gambit, Fraser-Minckwitz variation] 1409e4 e5 Nc3 Nc6 f4 ef d4 Qh4 Ke2 b6 1410[ECO C25 Vienna: Steinitz gambit, Zukertort defence] 1411e4 e5 Nc3 Nc6 f4 ef d4 Qh4 Ke2 d5 1412[ECO C25 Vienna: Steinitz gambit] 1413e4 e5 Nc3 Nc6 f4 ef d4 1414[ECO C25 Vienna gambit] 1415e4 e5 Nc3 Nc6 f4 1416[ECO C25 Vienna: Fyfe gambit] 1417e4 e5 Nc3 Nc6 d4 1418[ECO C25 Vienna: Paulsen variation] 1419e4 e5 Nc3 Nc6 g3 1420[ECO C25 Vienna game, Max Lange defence] 1421e4 e5 Nc3 Nc6 1422[ECO C25 Vienna: Zhuravlev countergambit] 1423e4 e5 Nc3 Bb4 Qg4 Nf6 1424[ECO C25 Vienna game] 1425e4 e5 Nc3 1426[ECO C24 Bishop's opening: Urusov gambit, Panov variation] 1427e4 e5 Bc4 Nf6 d4 ed Nf3 d5 ed Bb4 c3 Qe7 1428[ECO C24 Bishop's opening: Urusov gambit] 1429e4 e5 Bc4 Nf6 d4 ed Nf3 1430[ECO C24 Bishop's opening: Ponziani gambit] 1431e4 e5 Bc4 Nf6 d4 1432[ECO C24 Bishop's opening: Greco gambit] 1433e4 e5 Bc4 Nf6 f4 1434[ECO C24 Bishop's opening: Berlin defence] 1435e4 e5 Bc4 Nf6 1436[ECO C23 Bishop's opening: Four pawns' gambit] 1437e4 e5 Bc4 Bc5 b4 Bb4 f4 ef Nf3 Be7 d4 Bh4 g3 fg o-o gh 1438Kh1 1439[ECO C23 Bishop's opening: MacDonnell double gambit] 1440e4 e5 Bc4 Bc5 b4 Bb4 f4 1441[ECO C23 Bishop's opening: Wing gambit] 1442e4 e5 Bc4 Bc5 b4 1443[ECO C23 Bishop's opening: Lewis gambit] 1444e4 e5 Bc4 Bc5 d4 1445[ECO C23 Bishop's opening: del Rio variation] 1446e4 e5 Bc4 Bc5 c3 Qg5 1447[ECO C23 Bishop's opening: Lewis counter-gambit] 1448e4 e5 Bc4 Bc5 c3 d5 1449[ECO C23 Bishop's opening: Pratt variation] 1450e4 e5 Bc4 Bc5 c3 Nf6 d4 ed e5 d5 ef dc4 Qh5 o-o 1451[ECO C23 Bishop's opening: Philidor variation] 1452e4 e5 Bc4 Bc5 c3 1453[ECO C23 Bishop's opening: Lopez gambit] 1454e4 e5 Bc4 Bc5 Qe2 Nc6 c3 Nf6 f4 1455[ECO C23 Bishop's opening: Classical variation] 1456e4 e5 Bc4 Bc5 1457[ECO C23 Bishop's opening: Calabrese counter-gambit, Jaenisch variation] 1458e4 e5 Bc4 f5 d3 1459[ECO C23 Bishop's opening: Calabrese counter-gambit] 1460e4 e5 Bc4 f5 1461[ECO C23 Bishop's opening: Lisitsyn variation] 1462e4 e5 Bc4 c6 d4 d5 ed cd Bb5 Bd7 Bd7 Nd7 de Ne5 Ne2 1463[ECO C23 Bishop's opening: Philidor counter-attack] 1464e4 e5 Bc4 c6 1465[ECO C23 Bishop's opening] 1466e4 e5 Bc4 1467[ECO C22 Centre game: Hall variation] 1468e4 e5 d4 ed Qd4 Nc6 Qc4 1469[ECO C22 Centre game: Kupreichik variation] 1470e4 e5 d4 ed Qd4 Nc6 Qe3 Nf6 Nc3 Bb4 Bd2 o-o o-o-o Re8 Bc4 d6 1471Nh3 1472[ECO C22 Centre game: Berger variation] 1473e4 e5 d4 ed Qd4 Nc6 Qe3 Nf6 1474[ECO C22 Centre game: l'Hermet variation] 1475e4 e5 d4 ed Qd4 Nc6 Qe3 f5 1476[ECO C22 Centre game: Charousek variation] 1477e4 e5 d4 ed Qd4 Nc6 Qe3 Bb4 c3 Be7 1478[ECO C22 Centre game: Paulsen attack] 1479e4 e5 d4 ed Qd4 Nc6 Qe3 1480[ECO C22 Centre game] 1481e4 e5 d4 ed Qd4 Nc6 1482[ECO C?? Centre game] 1483e4 e5 d4 ed Qd4 1484[ECO C21 Danish gambit: S\o rensen defence] 1485e4 e5 d4 ed c3 d5 1486[ECO C21 Danish gambit: Schlechter defence] 1487e4 e5 d4 ed c3 dc Bc4 cb Bb2 d5 1488[ECO C21 Danish gambit: Collijn defence] 1489e4 e5 d4 ed c3 dc Bc4 cb Bb2 Qe7 1490[ECO C21 Danish gambit] 1491e4 e5 d4 ed c3 1492[ECO C21 Halasz gambit] 1493e4 e5 d4 ed f4 1494[ECO C21 Centre game, Kieseritsky variation] 1495e4 e5 d4 ed Nf3 c5 Bc4 b5 1496[ECO C21 Centre game] 1497e4 e5 d4 ed 1498[ECO C20 Alapin's opening] 1499e4 e5 Ne2 1500[ECO C20 KP: Lopez opening] 1501e4 e5 c3 1502[ECO C20 KP: Napoleon's opening] 1503e4 e5 Qf3 1504[ECO C20 KP: Patzer opening] 1505e4 e5 Qh5 1506[ECO C20 KP: King's head opening] 1507e4 e5 f3 1508[ECO C20 KP: Mengarini's opening] 1509e4 e5 a3 1510[ECO C20 KP: Indian opening] 1511e4 e5 d3 1512[ECO C20 King's pawn game] 1513e4 e5 1514[ECO B99 Sicilian: Najdorf, 7...Be7 main line] 1515e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 1516o-o-o N8d7 1517[ECO B98 Sicilian: Najdorf variation] 1518e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 1519[ECO B98 Sicilian: Najdorf, G\"oteborg variation] 1520e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 1521Bh4 g5 1522[ECO B98 Sicilian: Najdorf, Browne variation] 1523e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 1524Bh4 Qc7 1525[ECO B98 Sicilian: Najdorf, 7...Be7] 1526e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 1527[ECO B97 Sicilian: Najdorf, Poisoned pawn variation] 1528e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qb2 1529Rb1 Qa3 1530[ECO B97 Sicilian: Najdorf, 7...Qb6] 1531e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 1532[ECO B96 Sicilian: Najdorf, Polugayevsky, Simagin variation] 1533e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 de 1534fe Qc7 Qe2 1535[ECO B96 Sicilian: Najdorf, Polugayevsky variation] 1536e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 1537[ECO B96 Sicilian: Najdorf, 7.f4] 1538e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 f4 1539[ECO B95 Sicilian: Najdorf, 6...e6] 1540e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 e6 1541[ECO B94 Sicilian: Najdorf, Ivkov variation] 1542e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 N8d7 Bc4 Qa5 Qd2 e6 1543o-o-o b5 Bb3 Bb7 h1e1 Nc5 e5 1544[ECO B94 Sicilian: Najdorf, 6.Bg5] 1545e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bg5 1546[ECO B93 Sicilian: Najdorf, 6.f4] 1547e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 f4 1548[ECO B92 Sicilian: Najdorf, Opo\v censky variation] 1549e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Be2 1550[ECO B91 Sicilian: Najdorf, Zagreb variation] 1551e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 g3 1552[ECO B90 Sicilian: Najdorf, Byrne attack] 1553e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Be3 1554[ECO B90 Sicilian: Najdorf, Lipnitzky attack] 1555e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 Bc4 1556[ECO B90 Sicilian: Najdorf, Adams attack] 1557e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 h3 1558[ECO B90 Sicilian: Najdorf] 1559e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 a6 1560[ECO B89 Sicilian: Velimirovi\'c attack] 1561e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2 1562[ECO B89 Sicilian: Sozin, 7.Be3] 1563e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 1564[ECO B88 Sicilian: Sozin, Fischer variation] 1565e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 Nc6 Bb3 Be7 Be3 o-o 1566f4 1567[ECO B88 Sicilian: Sozin, Leonhardt variation] 1568e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 Nc6 1569[ECO B87 Sicilian: Sozin with ...a6 and ...b5] 1570e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5 1571[ECO B86 Sicilian: Sozin attack] 1572e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bc4 1573[ECO B85 Sicilian: Scheveningen, classical main line] 1574e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o Qc7 f4 Nc6 1575Be3 Be7 Qe1 o-o 1576[ECO B85 Sicilian: Scheveningen, classical] 1577e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o Qc7 f4 Nc6 1578Be3 1579[ECO B85 Sicilian: Scheveningen, classical, Mar\'oczy system] 1580e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o Qc7 f4 Nc6 1581Kh1 Be7 a4 1582[ECO B85 Sicilian: Scheveningen, classical variation with ...Qc7 and ...Nc6] 1583e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o Qc7 f4 Nc6 1584[ECO B84 Sicilian: Scheveningen , classical variation] 1585e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o Qc7 1586[ECO B84 Sicilian: Scheveningen, classical, Nd7 system] 1587e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 o-o N8d7 1588[ECO B84 Sicilian: Scheveningen , classical variation] 1589e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 a6 1590[ECO B83 Sicilian: modern Scheveningen, main line with Nb3] 1591e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 Nc6 o-o Be7 Be3 o-o 1592f4 Bd7 Nb3 1593[ECO B83 Sicilian: modern Scheveningen, main line] 1594e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 Nc6 o-o Be7 Be3 o-o 1595f4 1596[ECO B83 Sicilian: modern Scheveningen] 1597e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 Nc6 1598[ECO B83 Sicilian: Scheveningen, 6.Be2] 1599e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be2 1600[ECO B82 Sicilian: Scheveningen, Tal variation] 1601e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3 1602[ECO B82 Sicilian: Scheveningen, 6.f4] 1603e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 f4 1604[ECO B81 Sicilian: Scheveningen, Keres attack] 1605e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 g4 1606[ECO B80 Sicilian: Scheveningen, fianchetto variation] 1607e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 g3 1608[ECO B80 Sicilian: Scheveningen, Vitoli\'n\'s variation] 1609e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Bb5 1610[ECO B80 Sicilian: Scheveningen, English variation] 1611e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 Be3 a6 Qd2 1612[ECO B80 Sicilian: Scheveningen variation] 1613e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e6 1614[ECO B79 Sicilian: dragon, Yugoslav attack, 12.h4] 1615e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1616Bc4 Bd7 o-o-o Qa5 Bb3 f8c8 h4 1617[ECO B78 Sicilian: dragon, Yugoslav attack, 10.O-O-O] 1618e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1619Bc4 Bd7 o-o-o 1620[ECO B77 Sicilian: dragon, Yugoslav attack, 9...Bd7] 1621e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1622Bc4 Bd7 1623[ECO B77 Sicilian: dragon, Yugoslav attack, Byrne variation] 1624e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1625Bc4 a5 1626[ECO B77 Sicilian: dragon, Yugoslav attack, 9.Bc4] 1627e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1628Bc4 1629[ECO B76 Sicilian: dragon, Yugoslav attack, Rauser variation] 1630e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o Qd2 Nc6 1631o-o-o 1632[ECO B76 Sicilian: dragon, Yugoslav attack, 7...O-O] 1633e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 o-o 1634[ECO B75 Sicilian: dragon, Yugoslav attack] 1635e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 f3 1636[ECO B74 Sicilian: dragon, classical, Alekhine variation] 1637e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1638Nb3 a5 1639[ECO B74 Sicilian: dragon, classical, R\'eti-Tartakower variation] 1640e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1641Nb3 Be6 f4 Qc8 1642[ECO B74 Sicilian: dragon, classical, Bernard defence] 1643e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1644Nb3 Be6 f4 Na5 f5 Bc4 Bd3 Bd3 cd d5 1645[ECO B74 Sicilian: dragon, classical, Spielmann variation] 1646e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1647Nb3 Be6 f4 Na5 f5 Bc4 Bd3 1648[ECO B74 Sicilian: dragon, classical, Stockholm attack] 1649e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1650Nb3 Be6 f4 Na5 f5 Bc4 Na5 Be2 Qe2 Qa5 g4 1651[ECO B74 Sicilian: dragon, classical, 9.Nb3] 1652e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1653Nb3 1654[ECO B73 Sicilian: dragon, classical, Richter variation] 1655e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1656Qd2 1657[ECO B73 Sicilian: dragon, classical, Zollner gambit] 1658e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o o-o 1659f4 Qb6 e5 1660[ECO B73 Sicilian: dragon, classical, 8.O-O] 1661e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 o-o 1662[ECO B72 Sicilian: dragon, classical, Nottingham variation] 1663e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Nb3 1664[ECO B72 Sicilian: dragon, classical, Grigoriev variation] 1665e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2 o-o 1666o-o-o 1667[ECO B72 Sicilian: dragon, classical, Amsterdam variation] 1668e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2 1669[ECO B72 Sicilian: dragon, classical attack] 1670e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 Bg7 Be2 1671[ECO B72 Sicilian: dragon, 6.Be3] 1672e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 Be3 1673[ECO B71 Sicilian: dragon, Levenfish; Flohr variation] 1674e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 f4 N8d7 1675[ECO B71 Sicilian: dragon, Levenfish variation] 1676e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 f4 1677[ECO B70 Sicilian: dragon variation] 1678e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 g6 1679[ECO B69 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf6] 1680e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 o-o-o Bd7 1681f4 Be7 Nf3 b5 Bf6 1682[ECO B68 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7] 1683e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 o-o-o Bd7 1684f4 Be7 1685[ECO B67 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7] 1686e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 o-o-o Bd7 1687[ECO B66 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6] 1688e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 1689[ECO B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4] 1690e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 o-o-o o-o 1691f4 Nd4 Qd4 1692[ECO B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4] 1693e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 o-o-o o-o 1694f4 Nd4 1695[ECO B64 Sicilian: Richter-Rauzer, Rauzer attack, Geller variation] 1696e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 o-o-o o-o 1697f4 e5 1698[ECO B64 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4] 1699e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 o-o-o o-o 1700f4 1701[ECO B63 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7] 1702e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 1703[ECO B63 Sicilian: Richter-Rauzer, Rauzer attack] 1704e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 1705[ECO B62 Sicilian: Richter-Rauzer, Keres variation] 1706e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Qd3 1707[ECO B62 Sicilian: Richter-Rauzer, Richter attack] 1708e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Nc6 1709[ECO B62 Sicilian: Richter-Rauzer, Margate variation] 1710e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Bb5 1711[ECO B62 Sicilian: Richter-Rauzer, Pod\v ebrady variation] 1712e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 Nb3 1713[ECO B62 Sicilian: Richter-Rauzer, 6...e6] 1714e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 e6 1715[ECO B61 Sicilian: Richter-Rauzer, Larsen variation, 7.Qd2] 1716e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 1717[ECO B60 Sicilian: Richter-Rauzer, Larsen variation] 1718e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 Bd7 1719[ECO B60 Sicilian: Richter-Rauzer, Bondarevsky variation] 1720e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 g6 1721[ECO B60 Sicilian: Richter-Rauzer] 1722e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bg5 1723[ECO B59 Sicilian: Boleslavsky variation, 7.Nb3] 1724e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 d6 Be2 e5 Nb3 1725[ECO B58 Sicilian: Boleslavsky, Louma variation] 1726e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 d6 Be2 e5 Nc6 1727[ECO B58 Sicilian: Boleslavsky variation] 1728e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 d6 Be2 e5 1729[ECO B58 Sicilian: classical] 1730e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 d6 Be2 1731[ECO B57 Sicilian: Sozin, Benk\"o variation] 1732e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bc4 Qb6 1733[ECO B57 Sicilian: Magnus Smith trap] 1734e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bc4 g6 Nc6 bc e5 1735[ECO B57 Sicilian: Sozin, not Scheveningen] 1736e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 Bc4 1737[ECO B56 Sicilian] 1738e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 Nc6 1739[ECO B56 Sicilian: Venice attack] 1740e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 e5 Bb5 1741[ECO B56 Sicilian] 1742e4 c5 Nf3 d6 d4 cd Nd4 Nf6 Nc3 1743[ECO B55 Sicilian: Prins variation, Venice attack] 1744e4 c5 Nf3 d6 d4 cd Nd4 Nf6 f3 e5 Bb5 1745[ECO B54 Sicilian: Prins variation] 1746e4 c5 Nf3 d6 d4 cd Nd4 Nf6 f3 1747[ECO B54 Sicilian] 1748e4 c5 Nf3 d6 d4 cd Nd4 1749[ECO B53 Sicilian: Chekhover, Zaitsev variation] 1750e4 c5 Nf3 d6 d4 cd Qd4 Nc6 Bb5 Qd7 1751[ECO B53 Sicilian, Chekhover variation] 1752e4 c5 Nf3 d6 d4 cd Qd4 1753[ECO B?? Sicilian: Tartakower variation] 1754e4 c5 Nf3 d6 d4 cd c3 1755[ECO B?? Sicilian] 1756e4 c5 Nf3 d6 d4 cd 1757[ECO B?? Sicilian: Cortlever variation] 1758e4 c5 Nf3 d6 d4 Nf6 1759[ECO B52 Sicilian: Canal-Sokolsky attack, Sokolsky variation] 1760e4 c5 Nf3 d6 Bb5 Bd7 Bd7 Qd7 c4 1761[ECO B52 Sicilian: Canal-Sokolsky attack, Bronstein gambit] 1762e4 c5 Nf3 d6 Bb5 Bd7 Bd7 Qd7 o-o Nc6 c3 Nf6 d4 1763[ECO B52 Sicilian: Canal-Sokolsky attack, 3...Bd7] 1764e4 c5 Nf3 d6 Bb5 Bd7 1765[ECO B51 Sicilian: Canal-Sokolsky attack] 1766e4 c5 Nf3 d6 Bb5 1767[ECO B50 Sicilian: wing gambit deferred] 1768e4 c5 Nf3 d6 b4 1769[ECO B50 Sicilian] 1770e4 c5 Nf3 d6 1771[ECO B49 Sicilian: Taimanov variation] 1772e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 Qc7 Be3 a6 Be2 1773[ECO B48 Sicilian: Taimanov variation] 1774e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 Qc7 Be3 1775[ECO B47 Sicilian: Taimanov variation] 1776e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 Qc7 1777[ECO B46 Sicilian: Taimanov variation] 1778e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 a6 1779[ECO B45 Sicilian: Taimanov, American attack] 1780e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 Nf6 N4b5 Bb4 Nd6 1781[ECO B45 Sicilian: Taimanov variation] 1782e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nc3 1783[ECO B44 Sicilian, Sz\'en variation, Dely-Kasparov gambit] 1784e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 d5 1785[ECO B44 Sicilian, Sz\'en, hedgehog variation] 1786e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 1787Be2 o-o o-o b6 1788[ECO B44 Sicilian, Sz\'en variation] 1789e4 c5 Nf3 e6 d4 cd Nd4 Nc6 Nb5 1790[ECO B44 Sicilian defence] 1791e4 c5 Nf3 e6 d4 cd Nd4 Nc6 1792[ECO B43 Sicilian: Kan, 5.Nc3] 1793e4 c5 Nf3 e6 d4 cd Nd4 a6 Nc3 1794[ECO B42 Sicilian: Kan, Swiss cheese variation] 1795e4 c5 Nf3 e6 d4 cd Nd4 a6 Bd3 g6 1796[ECO B42 Sicilian: Kan, Polugaievsky variation] 1797e4 c5 Nf3 e6 d4 cd Nd4 a6 Bd3 Bc5 1798[ECO B42 Sicilian: Kan, Gipslis variation] 1799e4 c5 Nf3 e6 d4 cd Nd4 a6 Bd3 Nf6 o-o d6 c4 g6 1800[ECO B42 Sicilian: Kan, 5.Bd3] 1801e4 c5 Nf3 e6 d4 cd Nd4 a6 Bd3 1802[ECO B41 Sicilian: Kan, Mar\'oczy bind - Bronstein variation] 1803e4 c5 Nf3 e6 d4 cd Nd4 a6 c4 Nf6 Nc3 Bb4 Bd3 Nc6 Bc2 1804[ECO B41 Sicilian: Kan, Mar\'oczy bind ] 1805e4 c5 Nf3 e6 d4 cd Nd4 a6 c4 1806[ECO B41 Sicilian: Kan variation] 1807e4 c5 Nf3 e6 d4 cd Nd4 a6 1808[ECO B40 Sicilian: Pin, Koch variation] 1809e4 c5 Nf3 e6 d4 cd Nd4 Nf6 Nc3 Bb4 e5 1810[ECO B40 Sicilian: Pin, Jaffe variation] 1811e4 c5 Nf3 e6 d4 cd Nd4 Nf6 Nc3 Bb4 Bd3 e5 1812[ECO B40 Sicilian: Pin variation ] 1813e4 c5 Nf3 e6 d4 cd Nd4 Nf6 Nc3 Bb4 1814[ECO B40 Sicilian: Anderssen variation] 1815e4 c5 Nf3 e6 d4 cd Nd4 Nf6 1816[ECO B40 Sicilian defence] 1817e4 c5 Nf3 e6 d4 cd 1818[ECO B40 Sicilian: Marshall variation] 1819e4 c5 Nf3 e6 d4 d5 1820[ECO B40 Sicilian defence] 1821e4 c5 Nf3 e6 1822[ECO B39 Sicilian: accelerated fianchetto, Breyer variation] 1823e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 1824[ECO B38 Sicilian: accelerated fianchetto, Mar\'oczy bind, 6.Be3] 1825e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 Bg7 Be3 1826[ECO B37 Sicilian: accelerated fianchetto, Simagin variation] 1827e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 Bg7 Nc2 d6 Be2 Nh6 1828[ECO B37 Sicilian: accelerated fianchetto, Mar\'oczy bind, 5...Bg7] 1829e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 Bg7 1830[ECO B36 Sicilian: accelerated fianchetto, Gurgenidze variation] 1831e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 Nf6 Nc3 Nd4 Qd4 d6 1832[ECO B36 Sicilian: accelerated fianchetto, Mar\'oczy bind] 1833e4 c5 Nf3 Nc6 d4 cd Nd4 g6 c4 1834[ECO B35 Sicilian: accelerated fianchetto, modern variation with Bc4] 1835e4 c5 Nf3 Nc6 d4 cd Nd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 1836[ECO B34 Sicilian: accelerated fianchetto, modern variation] 1837e4 c5 Nf3 Nc6 d4 cd Nd4 g6 Nc3 1838[ECO B34 Sicilian: accelerated fianchetto, exchange variation] 1839e4 c5 Nf3 Nc6 d4 cd Nd4 g6 Nc6 1840[ECO B33 Sicilian: Sveshnikov variation] 1841e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 e5 N4b5 d6 Bg5 a6 Na3 b5 1842Bf6 gf Nd5 f5 1843[ECO B33 Sicilian: Pelikan, Chelyabinsk variation] 1844e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 e5 N4b5 d6 Bg5 a6 Na3 b5 1845[ECO B33 Sicilian: Pelikan, Bird variation] 1846e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 e5 N4b5 d6 Bg5 a6 Na3 Be6 1847[ECO B33 Sicilian: Pelikan variation] 1848e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 Nc3 e5 1849[ECO B33 Sicilian defence] 1850e4 c5 Nf3 Nc6 d4 cd Nd4 Nf6 1851[ECO B32 Sicilian: Labourdonnais-L\"owenthal variation] 1852e4 c5 Nf3 Nc6 d4 cd Nd4 e5 Nb5 d6 1853[ECO B32 Sicilian: Labourdonnais-L\"owenthal variation] 1854e4 c5 Nf3 Nc6 d4 cd Nd4 e5 1855[ECO B32 Sicilian: Nimzovich variation] 1856e4 c5 Nf3 Nc6 d4 cd Nd4 d5 1857[ECO B32 Sicilian: Flohr variation] 1858e4 c5 Nf3 Nc6 d4 cd Nd4 Qc7 1859[ECO B32 Sicilian defence] 1860e4 c5 Nf3 Nc6 d4 1861[ECO B31 Sicilian: Nimzovich-Rossolimo attack, Gurgenidze variation] 1862e4 c5 Nf3 Nc6 Bb5 g6 o-o Bg7 Re1 e5 b4 1863[ECO B31 Sicilian: Nimzovich-Rossolimo attack ] 1864e4 c5 Nf3 Nc6 Bb5 g6 1865[ECO B30 Sicilian: Nimzovich-Rossolimo attack ] 1866e4 c5 Nf3 Nc6 Bb5 1867[ECO B30 Sicilian defence] 1868e4 c5 Nf3 Nc6 1869[ECO B29 Sicilian: Nimzovich-Rubinstein; Rubinstein counter-gambit] 1870e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6 Nd5 ed d4 Nc6 1871[ECO B29 Sicilian: Nimzovich-Rubinstein variation] 1872e4 c5 Nf3 Nf6 1873[ECO B28 Sicilian: O'Kelly variation] 1874e4 c5 Nf3 a6 1875[ECO B27 Sicilian: Acton extension] 1876e4 c5 Nf3 g6 c4 Bh6 1877[ECO B27 Sicilian: Hungarian variation] 1878e4 c5 Nf3 g6 1879[ECO B27 Sicilian: Katalimov variation] 1880e4 c5 Nf3 b6 1881[ECO B27 Sicilian: Quinteros variation] 1882e4 c5 Nf3 Qc7 1883[ECO B27 Sicilian: Stiletto variation] 1884e4 c5 Nf3 Qa5 1885[ECO B27 Sicilian defence] 1886e4 c5 Nf3 1887[ECO B26 Sicilian: closed, 6.Be3] 1888e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 1889[ECO B25 Sicilian: closed, 6.f4 e5 ] 1890e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 1891[ECO B25 Sicilian: closed, 6.f4] 1892e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 1893[ECO B25 Sicilian: closed, 6.Ne2 e5 ] 1894e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 N1e2 e5 1895[ECO B25 Sicilian: closed] 1896e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 1897[ECO B24 Sicilian: closed, Smyslov variation] 1898e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 e6 Be3 Nd4 N3e2 1899[ECO B24 Sicilian: closed] 1900e4 c5 Nc3 Nc6 g3 1901[ECO B23 Sicilian: Grand Prix attack, Schofman variation] 1902e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4 e6 f5 1903[ECO B23 Sicilian: Grand Prix attack] 1904e4 c5 Nc3 Nc6 f4 1905[ECO B23 Sicilian: chameleon variation] 1906e4 c5 Nc3 Nc6 N1e2 1907[ECO B23 Sicilian: closed, 2...Nc6] 1908e4 c5 Nc3 Nc6 1909[ECO B23 Sicilian: closed, Korchnoi variation] 1910e4 c5 Nc3 e6 g3 d5 1911[ECO B23 Sicilian: closed] 1912e4 c5 Nc3 1913[ECO B22 Sicilian: 2.c3, Heidenfeld variation] 1914e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6 Na3 1915[ECO B22 Sicilian: Alapin's variation ] 1916e4 c5 c3 1917[ECO B21 Sicilian: Smith-Morra gambit, Chicago defence] 1918e4 c5 d4 cd c3 dc Nc3 Nc6 Nf3 d6 Bc4 e6 o-o a6 Qe2 b5 1919Bb3 Ra7 1920[ECO B21 Sicilian: Smith-Morra gambit] 1921e4 c5 d4 cd c3 1922[ECO B21 Sicilian: Andreaschek gambit] 1923e4 c5 d4 cd Nf3 e5 c3 1924[ECO B21 Sicilian: Smith-Morra gambit] 1925e4 c5 d4 1926[ECO B21 Sicilian: Grand Prix attack] 1927e4 c5 f4 1928[ECO B20 Sicilian: Keres variation ] 1929e4 c5 Ne2 1930[ECO B20 Sicilian: wing gambit, Carlsbad variation] 1931e4 c5 b4 cb a3 ba 1932[ECO B20 Sicilian: wing gambit, Marienbad variation] 1933e4 c5 b4 cb a3 d5 ed Qd5 Bb2 1934[ECO B20 Sicilian: wing gambit, Marshall variation] 1935e4 c5 b4 cb a3 1936[ECO B20 Sicilian: wing gambit, Santasiere variation] 1937e4 c5 b4 cb c4 1938[ECO B20 Sicilian: wing gambit] 1939e4 c5 b4 1940[ECO B20 Sicilian: Steinitz variation] 1941e4 c5 g3 1942[ECO B20 Sicilian: Gloria variation] 1943e4 c5 c4 d6 Nc3 Nc6 g3 h5 1944[ECO B20 Sicilian defence] 1945e4 c5 1946[ECO C19 French: Winawer, advance, positional main line] 1947e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 Nf3 1948[ECO C19 French: Winawer, advance, Smyslov variation] 1949e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 a4 1950[ECO C18 French: Winawer, advance, poisoned pawn, Konstantinopolsky variation] 1951e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 Qg4 Qc7 Qg7 Rg8 1952Qh7 cd Ne2 1953[ECO C18 French: Winawer, advance, poisoned pawn, Euwe-Gligori\'c variation] 1954e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 Qg4 Qc7 Qg7 Rg8 1955Qh7 cd Kd1 1956[ECO C18 French: Winawer, advance, poisoned pawn variation] 1957e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 Qg4 1958[ECO C18 French: Winawer, advance, 6...Ne7] 1959e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Ne7 1960[ECO C18 French: Winawer, classical variation] 1961e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc Qc7 1962[ECO C18 French: Winawer, advance variation] 1963e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bc3 bc 1964[ECO C17 French: Winawer, advance, Rauzer variation] 1965e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 cd ab dc Nf3 1966[ECO C17 French: Winawer, advance, 5.a3] 1967e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 1968[ECO C17 French: Winawer, advance, Russian variation] 1969e4 e6 d4 d5 Nc3 Bb4 e5 c5 Qg4 1970[ECO C17 French: Winawer, advance, Bogolyubov variation] 1971e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 1972[ECO C17 French: Winawer, advance variation] 1973e4 e6 d4 d5 Nc3 Bb4 e5 c5 1974[ECO C16 French: Winawer, Petrosian variation] 1975e4 e6 d4 d5 Nc3 Bb4 e5 Qd7 1976[ECO C16 French: Winawer, advance variation] 1977e4 e6 d4 d5 Nc3 Bb4 e5 1978[ECO C15 French: Winawer, Alekhine gambit, Kan variation] 1979e4 e6 d4 d5 Nc3 Bb4 Ne2 de a3 Bc3 Nc3 Nc6 1980[ECO C15 French: Winawer, Alekhine gambit] 1981e4 e6 d4 d5 Nc3 Bb4 Ne2 de a3 Bc3 1982[ECO C15 French: Winawer, Alekhine gambit, Alatortsev variation] 1983e4 e6 d4 d5 Nc3 Bb4 Ne2 de a3 Be7 Ne4 Nf6 N2g3 o-o Be2 Nc6 1984[ECO C15 French: Winawer, Alekhine gambit] 1985e4 e6 d4 d5 Nc3 Bb4 Ne2 1986[ECO C15 French: Winawer, fingerslip variation] 1987e4 e6 d4 d5 Nc3 Bb4 Bd2 1988[ECO C15 French: Winawer, Kondratiyev variation] 1989e4 e6 d4 d5 Nc3 Bb4 Bd3 c5 ed Qd5 Bd2 1990[ECO C15 French: Winawer variation] 1991e4 e6 d4 d5 Nc3 Bb4 1992[ECO C14 French: classical, St\a hlberg variation] 1993e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 f4 o-o Nf3 c5 1994Qd2 Nc6 o-o-o c4 1995[ECO C14 French: classical, Steinitz variation] 1996e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 f4 1997[ECO C14 French: classical, Pollock variation] 1998e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 Qg4 1999[ECO C14 French: classical, Alapin variation] 2000e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 Nb5 2001[ECO C14 French: classical, Rubinstein variation] 2002e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 Qd2 2003[ECO C14 French: classical, Tarrasch variation] 2004e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 Bd3 2005[ECO C14 French: classical variation] 2006e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 Be7 Qe7 2007[ECO C13 French: Albin-Alekhine-Ch\^atard attack, Spielmann variation] 2008e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 h4 o-o 2009[ECO C13 French: Albin-Alekhine-Ch\^atard attack, Teichmann variation] 2010e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 h4 f6 2011[ECO C13 French: Albin-Alekhine-Ch\^atard attack, Breyer variation] 2012e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 h4 c5 2013[ECO C13 French: Albin-Alekhine-Ch\^atard attack, Mar\'oczy variation] 2014e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 h4 a6 2015[ECO C13 French: Albin-Alekhine-Ch\^atard attack] 2016e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 N6d7 h4 2017[ECO C13 French: classical, Tartakower variation] 2018e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ne4 2019[ECO C13 French: classical, Frankfurt variation] 2020e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ng8 Be3 b6 2021[ECO C13 French: classical, Vistaneckis variation] 2022e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ng8 2023[ECO C13 French: classical, Anderssen-Richter variation] 2024e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bf6 Bf6 e5 Be7 Qg4 2025[ECO C13 French: classical, Anderssen variation] 2026e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bf6 2027[ECO C13 French: classical] 2028e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 2029[ECO C12 French: MacCutcheon, Lasker variation, 8...g6] 2030e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bc3 bc Ne4 Qg4 g6 2031[ECO C12 French: MacCutcheon, Duras variation] 2032e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bc3 bc Ne4 Qg4 Kf8 2033Bc1 2034[ECO C12 French: MacCutcheon, Lasker variation] 2035e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bc3 2036[ECO C12 French: MacCutcheon, Tartakower variation] 2037e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 N6d7 2038[ECO C12 French: MacCutcheon, Dr. Olland variation] 2039e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bc1 2040[ECO C12 French: MacCutcheon, Janowski variation] 2041e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Be3 2042[ECO C12 French: MacCutcheon, Bernstein variation] 2043e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bh4 2044[ECO C12 French: MacCutcheon, Grigoriev variation] 2045e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 ef hg fg Rg8 h4 gh 2046Qg4 2047[ECO C12 French: MacCutcheon, Chigorin variation] 2048e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 ef 2049[ECO C12 French: MacCutcheon, advance variation] 2050e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 2051[ECO C12 French: MacCutcheon, Bogolyubov variation] 2052e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 ed Qd5 Bf6 gf Qd2 Qa5 2053[ECO C12 French: MacCutcheon variation] 2054e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 2055[ECO C11 French: Burn variation] 2056e4 e6 d4 d5 Nc3 Nf6 Bg5 de 2057[ECO C11 French: Steinitz, Gledhill attack] 2058e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 Qg4 2059[ECO C11 French: Steinitz, Boleslavsky variation] 2060e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 f4 c5 Nf3 Nc6 Be3 2061[ECO C11 French: Steinitz variation] 2062e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 f4 c5 Nf3 2063[ECO C11 French: Steinitz, Brodsky-Jones variation] 2064e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 f4 c5 dc Nc6 a3 Bc5 Qg4 o-o 2065Nf3 f6 2066[ECO C11 French: Steinitz variation] 2067e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 f4 c5 dc Nc6 2068[ECO C11 French: Steinitz, Bradford attack] 2069e4 e6 d4 d5 Nc3 Nf6 e5 N6d7 f4 c5 dc Bc5 Qg4 2070[ECO C11 French: Steinitz variation] 2071e4 e6 d4 d5 Nc3 Nf6 e5 2072[ECO C11 French: Henneberger variation] 2073e4 e6 d4 d5 Nc3 Nf6 Be3 2074[ECO C11 French: Swiss variation] 2075e4 e6 d4 d5 Nc3 Nf6 Bd3 2076[ECO C11 French defence] 2077e4 e6 d4 d5 Nc3 Nf6 2078[ECO C10 French: Frere variation] 2079e4 e6 d4 d5 Nc3 de Ne4 Qd5 2080[ECO C10 French: Rubinstein, Capablanca line] 2081e4 e6 d4 d5 Nc3 de Ne4 Nd7 Nf3 N8f6 Nf6 Nf6 Ne5 2082[ECO C10 French: Rubinstein variation] 2083e4 e6 d4 d5 Nc3 de Ne4 Nd7 2084[ECO C10 French: Fort Knox variation] 2085e4 e6 d4 d5 Nc3 de Ne4 Bd7 Nf3 Bc6 2086[ECO C10 French: Rubinstein variation] 2087e4 e6 d4 d5 Nc3 de 2088[ECO C10 French: Marshall variation] 2089e4 e6 d4 d5 Nc3 c5 2090[ECO C10 French: Paulsen variation] 2091e4 e6 d4 d5 Nc3 2092[ECO C09 French: Tarrasch, open variation, main line] 2093e4 e6 d4 d5 Nd2 c5 ed ed N1f3 Nc6 2094[ECO C08 French: Tarrasch, open, 4.ed ed] 2095e4 e6 d4 d5 Nd2 c5 ed ed 2096[ECO C07 French: Tarrasch, Eliskases variation] 2097e4 e6 d4 d5 Nd2 c5 ed Qd5 N1f3 cd Bc4 Qd8 2098[ECO C07 French: Tarrasch, open variation] 2099e4 e6 d4 d5 Nd2 c5 2100[ECO C06 French: Tarrasch, Leningrad variation] 2101e4 e6 d4 d5 Nd2 Nf6 e5 N6d7 Bd3 c5 c3 Nc6 Ne2 cd cd Nb6 2102[ECO C06 French: Tarrasch, closed variation, main line] 2103e4 e6 d4 d5 Nd2 Nf6 e5 N6d7 Bd3 c5 c3 Nc6 Ne2 cd cd 2104[ECO C05 French: Tarrasch, closed variation] 2105e4 e6 d4 d5 Nd2 Nf6 e5 N6d7 Bd3 c5 c3 Nc6 2106[ECO C05 French: Tarrasch, Botvinnik variation] 2107e4 e6 d4 d5 Nd2 Nf6 e5 N6d7 Bd3 c5 c3 b6 2108[ECO C05 French: Tarrasch, closed variation] 2109e4 e6 d4 d5 Nd2 Nf6 2110[ECO C04 French: Tarrasch, Guimard main line] 2111e4 e6 d4 d5 Nd2 Nc6 N1f3 Nf6 2112[ECO C03 French: Tarrasch, Guimard variation] 2113e4 e6 d4 d5 Nd2 Nc6 2114[ECO C03 French: Tarrasch, Haberditz variation] 2115e4 e6 d4 d5 Nd2 f5 2116[ECO C03 French: Tarrasch] 2117e4 e6 d4 d5 Nd2 2118[ECO C02 French: advance, Euwe variation] 2119e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7 2120[ECO C02 French: advance, Milner-Barry gambit] 2121e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Bd3 2122[ECO C02 French: advance, Paulsen attack] 2123e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 2124[ECO C02 French: advance variation] 2125e4 e6 d4 d5 e5 c5 c3 Nc6 2126[ECO C02 French: advance, Wade variation] 2127e4 e6 d4 d5 e5 c5 c3 Qb6 Nf3 Bd7 2128[ECO C02 French: advance variation] 2129e4 e6 d4 d5 e5 c5 c3 2130[ECO C02 French: advance, Nimzovich system] 2131e4 e6 d4 d5 e5 c5 Nf3 2132[ECO C02 French: advance, Nimzovich variation] 2133e4 e6 d4 d5 e5 c5 Qg4 2134[ECO C02 French: advance, Steinitz variation] 2135e4 e6 d4 d5 e5 c5 dc 2136[ECO C02 French: advance variation] 2137e4 e6 d4 d5 e5 2138[ECO C01 French: exchange, Bogolyubov variation] 2139e4 e6 d4 d5 ed ed Nc3 Nf6 Bg5 Nc6 2140[ECO C01 French: exchange, Svenonius variation] 2141e4 e6 d4 d5 ed ed Nc3 Nf6 Bg5 2142[ECO C01 French: exchange variation] 2143e4 e6 d4 d5 ed 2144[ECO C00 French: Alapin variation] 2145e4 e6 d4 d5 Be3 2146[ECO C00 French: Schlechter variation] 2147e4 e6 d4 d5 Bd3 2148[ECO C00 French defence] 2149e4 e6 d4 d5 2150[ECO C00 St. George defence] 2151e4 e6 d4 a6 2152[ECO C00 Lengfellner system] 2153e4 e6 d4 d6 2154[ECO C00 French defence] 2155e4 e6 d4 2156[ECO C00 French: Reversed Philidor formation] 2157e4 e6 d3 d5 Nd2 Nf6 N1f3 Nc6 Be2 2158[ECO C00 French: King's Indian attack] 2159e4 e6 d3 2160[ECO C00 French: Chigorin variation] 2161e4 e6 Qe2 2162[ECO C00 French: Two knights variation] 2163e4 e6 Nc3 d5 Nf3 2164[ECO C00 French: Pelikan variation] 2165e4 e6 Nc3 d5 f4 2166[ECO C00 French defence] 2167e4 e6 Nc3 2168[ECO C00 French: Wing gambit] 2169e4 e6 Nf3 d5 e5 c5 b4 2170[ECO C00 French defence] 2171e4 e6 Nf3 2172[ECO C00 French: Labourdonnais variation] 2173e4 e6 f4 2174[ECO C00 French: Steinitz attack] 2175e4 e6 e5 2176[ECO C00 French: R\'eti variation] 2177e4 e6 b3 2178[ECO C00 French defence, Steiner variation] 2179e4 e6 c4 2180[ECO C00 French defence] 2181e4 e6 2182[ECO B19 Caro-Kann: classical, Spassky variation] 2183e4 c6 d4 d5 Nc3 de Ne4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 2184[ECO B19 Caro-Kann: classical, 7...Nd7] 2185e4 c6 d4 d5 Nc3 de Ne4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 2186[ECO B18 Caro-Kann: classical, 6.h4] 2187e4 c6 d4 d5 Nc3 de Ne4 Bf5 Ng3 Bg6 h4 2188[ECO B18 Caro-Kann: classical, Mar\'oczy attack] 2189e4 c6 d4 d5 Nc3 de Ne4 Bf5 Ng3 Bg6 f4 2190[ECO B18 Caro-Kann: classical, Flohr variation] 2191e4 c6 d4 d5 Nc3 de Ne4 Bf5 Ng3 Bg6 Nh3 2192[ECO B18 Caro-Kann: classical variation] 2193e4 c6 d4 d5 Nc3 de Ne4 Bf5 2194[ECO B17 Caro-Kann: Steinitz variation] 2195e4 c6 d4 d5 Nc3 de Ne4 Nd7 2196[ECO B16 Caro-Kann: Bronstein-Larsen variation] 2197e4 c6 d4 d5 Nc3 de Ne4 Nf6 Nf6 gf 2198[ECO B15 Caro-Kann: Forg\'acs variation] 2199e4 c6 d4 d5 Nc3 de Ne4 Nf6 Nf6 ef Bc4 2200[ECO B15 Caro-Kann: Tartakower variation] 2201e4 c6 d4 d5 Nc3 de Ne4 Nf6 Nf6 ef 2202[ECO B15 Caro-Kann: Alekhine gambit] 2203e4 c6 d4 d5 Nc3 de Ne4 Nf6 Bd3 2204[ECO B15 Caro-Kann defence] 2205e4 c6 d4 d5 Nc3 de Ne4 2206[ECO B15 Caro-Kann: Rasa-Studier gambit] 2207e4 c6 d4 d5 Nc3 de f3 2208[ECO B15 Caro-Kann: Gurgenidze system] 2209e4 c6 d4 d5 Nc3 g6 2210[ECO B15 Caro-Kann: Gurgenidze counter-attack] 2211e4 c6 d4 d5 Nc3 b5 2212[ECO B15 Caro-Kann defence] 2213e4 c6 d4 d5 Nc3 2214[ECO B14 Caro-Kann: Panov-Botvinnik attack, 5...g6] 2215e4 c6 d4 d5 ed cd c4 Nf6 Nc3 g6 2216[ECO B14 Caro-Kann: Panov-Botvinnik attack, 5...e6] 2217e4 c6 d4 d5 ed cd c4 Nf6 Nc3 e6 2218[ECO B13 Caro-Kann: Panov-Botvinnik, Reifir variation] 2219e4 c6 d4 d5 ed cd c4 Nf6 Nc3 Nc6 Bg5 Qb6 2220[ECO B13 Caro-Kann: Panov-Botvinnik, Czerniak variation] 2221e4 c6 d4 d5 ed cd c4 Nf6 Nc3 Nc6 Bg5 Qa5 2222[ECO B13 Caro-Kann: Panov-Botvinnik, normal variation] 2223e4 c6 d4 d5 ed cd c4 Nf6 Nc3 Nc6 Bg5 e6 2224[ECO B13 Caro-Kann: Panov-Botvinnik, Herzog defence] 2225e4 c6 d4 d5 ed cd c4 Nf6 Nc3 Nc6 Bg5 dc d5 Na5 2226[ECO B13 Caro-Kann: Panov-Botvinnik attack] 2227e4 c6 d4 d5 ed cd c4 Nf6 Nc3 2228[ECO B13 Caro-Kann: Panov-Botvinnik, Gunderam attack] 2229e4 c6 d4 d5 ed cd c4 Nf6 c5 2230[ECO B13 Caro-Kann: Panov-Botvinnik attack] 2231e4 c6 d4 d5 ed cd c4 2232[ECO B13 Caro-Kann: exchange, Rubinstein variation] 2233e4 c6 d4 d5 ed cd Bd3 Nc6 c3 Nf6 Bf4 2234[ECO B13 Caro-Kann: exchange variation] 2235e4 c6 d4 d5 ed 2236[ECO B12 Caro-Kann: advance, Short variation] 2237e4 c6 d4 d5 e5 Bf5 c3 e6 Be2 2238[ECO B12 Caro-Kann: advance variation] 2239e4 c6 d4 d5 e5 2240[ECO B12 Caro-Kann: Edinburgh variation] 2241e4 c6 d4 d5 Nd2 Qb6 2242[ECO B12 Caro-Kann: 3.Nd2] 2243e4 c6 d4 d5 Nd2 2244[ECO B12 Caro-Kann: Tartakower variation] 2245e4 c6 d4 d5 f3 2246[ECO B12 Caro-Kann defence] 2247e4 c6 d4 d5 2248[ECO B12 Caro-Masi defence] 2249e4 c6 d4 Nf6 2250[ECO B12 de Bruycker defence] 2251e4 c6 d4 Na6 Nc3 Nc7 2252[ECO B12 Caro-Kann defence] 2253e4 c6 d4 2254[ECO B11 Caro-Kann: two knights, 3...Bg4] 2255e4 c6 Nc3 d5 Nf3 Bg4 2256[ECO B10 Caro-Kann: two knights variation] 2257e4 c6 Nc3 d5 Nf3 2258[ECO B10 Caro-Kann: Goldman variation] 2259e4 c6 Nc3 d5 Qf3 2260[ECO B10 Caro-Kann defence] 2261e4 c6 Nc3 2262[ECO B10 Caro-Kann: closed variation] 2263e4 c6 d3 2264[ECO B10 Caro-Kann: anti-anti-Caro-Kann defence] 2265e4 c6 c4 d5 2266[ECO B10 Caro-Kann: anti-Caro-Kann defence] 2267e4 c6 c4 2268[ECO B10 Caro-Kann: Hillbilly attack] 2269e4 c6 Bc4 2270[ECO B10 Caro-Kann defence] 2271e4 c6 2272[ECO B09 Pirc: Austrian attack, Ljubojevi\'c variation] 2273e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Bc4 2274[ECO B09 Pirc: Austrian attack, dragon formation] 2275e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 2276[ECO B09 Pirc: Austrian attack, 6.Bd3] 2277e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 o-o Bd3 2278[ECO B09 Pirc: Austrian attack, 6.Be3] 2279e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 o-o Be3 2280[ECO B09 Pirc: Austrian attack, 6.e5] 2281e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 o-o e5 2282[ECO B09 Pirc: Austrian attack] 2283e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 o-o 2284[ECO B09 Pirc: Austrian attack] 2285e4 d6 d4 Nf6 Nc3 g6 f4 2286[ECO B08 Pirc: classical system, 5.Be2] 2287e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 2288[ECO B08 Pirc: classical, h3 system] 2289e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 2290[ECO B08 Pirc: classical system] 2291e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 2292[ECO B?? Pirc: classical system] 2293e4 d6 d4 Nf6 Nc3 g6 Nf3 2294[ECO B07 Pirc: bayonet attack] 2295e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 h4 2296[ECO B07 Pirc: Chinese variation] 2297e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 g4 2298[ECO B07 Pirc defence] 2299e4 d6 d4 Nf6 Nc3 g6 Be2 2300[ECO B07 Pirc: Byrne variation] 2301e4 d6 d4 Nf6 Nc3 g6 Bg5 2302[ECO B07 Pirc: Holmov system] 2303e4 d6 d4 Nf6 Nc3 g6 Bc4 2304[ECO B07 Pirc: Sveshnikov system] 2305e4 d6 d4 Nf6 Nc3 g6 g3 2306[ECO B07 Pirc: 150 attack] 2307e4 d6 d4 Nf6 Nc3 g6 Be3 c6 Qd2 2308[ECO B07 Pirc defence] 2309e4 d6 d4 Nf6 Nc3 g6 2310[ECO B07 Pirc: Ufimtsev-Pytel variation] 2311e4 d6 d4 Nf6 Nc3 c6 2312[ECO B07 Pirc defence] 2313e4 d6 d4 Nf6 2314[ECO A82 Balogh defence] 2315e4 d6 d4 f5 2316[ECO C00 Lengfellner system] 2317e4 d6 d4 e6 2318[ECO B06 Robatsch defence: Pseudo-Austrian attack] 2319e4 g6 d4 Bg7 Nc3 d6 f4 2320[ECO B06 Robatsch defence: two knights, Suttles variation] 2321e4 g6 d4 Bg7 Nc3 d6 Nf3 c6 2322[ECO B06 Robatsch defence: two knights variation] 2323e4 g6 d4 Bg7 Nc3 d6 Nf3 2324[ECO B06 Robatsch defence] 2325e4 g6 d4 Bg7 Nc3 d6 2326[ECO B06 Robatsch defence: Gurgenidze variation] 2327e4 g6 d4 Bg7 Nc3 c6 f4 d5 e5 h5 2328[ECO B06 Robatsch defence] 2329e4 g6 d4 Bg7 Nc3 2330[ECO B06 Robatsch defence: three pawns attack] 2331e4 g6 d4 Bg7 f4 2332[ECO B07 Robatsch defence: Geller's system] 2333e4 g6 d4 Bg7 Nf3 d6 c3 2334[ECO A41 Robatsch defence: Rossolimo variation] 2335e4 g6 d4 Bg7 Nf3 d6 c4 Bg4 2336[ECO B06 Robatsch defence] 2337e4 g6 d4 Bg7 2338[ECO B06 Norwegian defence] 2339e4 g6 d4 Nf6 e5 Nh5 g4 Ng7 2340[ECO B06 Robatsch defence] 2341e4 g6 2342[ECO B05 Alekhine's defence: modern, Vitolins attack] 2343e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6 d5 2344[ECO B05 Alekhine's defence: modern, Alekhine variation] 2345e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 2346[ECO B05 Alekhine's defence: modern, Panov variation] 2347e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 h3 2348[ECO B05 Alekhine's defence: modern, Flohr variation] 2349e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 c6 2350[ECO B05 Alekhine's defence: modern variation, 4...Bg4] 2351e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 2352[ECO B04 Alekhine's defence: modern, Keres variation] 2353e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 a4 2354[ECO B04 Alekhine's defence: modern, fianchetto variation] 2355e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 2356[ECO B04 Alekhine's defence: modern, Schmid variation] 2357e4 Nf6 e5 Nd5 d4 d6 Nf3 Nb6 2358[ECO B04 Alekhine's defence: modern, Larsen variation] 2359e4 Nf6 e5 Nd5 d4 d6 Nf3 de 2360[ECO B04 Alekhine's defence: modern variation] 2361e4 Nf6 e5 Nd5 d4 d6 Nf3 2362[ECO B03 Alekhine's defence: four pawns attack, Trifunovi\'c variation] 2363e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 Bf5 2364[ECO B03 Alekhine's defence: four pawns attack, fianchetto variation] 2365e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g6 2366[ECO B03 Alekhine's defence: four pawns attack, Planinc variation] 2367e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g5 2368[ECO B03 Alekhine's defence: four pawns attack, Tartakower variation] 2369e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 de fe Nc6 Be3 Bf5 Nc3 e6 2370Nf3 Qd7 Be2 o-o-o o-o Be7 2371[ECO B03 Alekhine's defence: four pawns attack, 7.Be3] 2372e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 de fe Nc6 Be3 2373[ECO B03 Alekhine's defence: four pawns attack, Ilyin-Genevsky variation] 2374e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 de fe Nc6 Nf3 Bg4 e6 fe 2375c5 2376[ECO B03 Alekhine's defence: four pawns attack, 6...Nc6] 2377e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 de fe Nc6 2378[ECO B03 Alekhine's defence: four pawns attack, Korchnoi variation] 2379e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 de fe Bf5 Nc3 e6 Nf3 Be7 2380Be2 o-o o-o f6 2381[ECO B03 Alekhine's defence: four pawns attack] 2382e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 2383[ECO B03 Alekhine's defence: exchange, Karpov variation] 2384e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 ed cd Nf3 g6 Be2 Bg7 o-o o-o 2385h3 Nc6 Nc3 Bf5 Bf4 2386[ECO B03 Alekhine's defence: exchange variation] 2387e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 ed 2388[ECO B03 Alekhine's defence] 2389e4 Nf6 e5 Nd5 d4 d6 c4 2390[ECO B03 Alekhine's defence: Balogh variation] 2391e4 Nf6 e5 Nd5 d4 d6 Bc4 2392[ECO B03 Alekhine's defence] 2393e4 Nf6 e5 Nd5 d4 d6 2394[ECO B03 Alekhine's defence: O'Sullivan gambit] 2395e4 Nf6 e5 Nd5 d4 b5 2396[ECO B03 Alekhine's defence] 2397e4 Nf6 e5 Nd5 d4 2398[ECO B02 Alekhine's defence: two pawns' attack, Mikenas variation] 2399e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Bc4 e6 Nc3 d6 2400[ECO B02 Alekhine's defence: two pawns' attack] 2401e4 Nf6 e5 Nd5 c4 Nb6 c5 2402[ECO B02 Alekhine's defence: Steiner variation] 2403e4 Nf6 e5 Nd5 c4 Nb6 b3 2404[ECO B02 Alekhine's defence] 2405e4 Nf6 e5 Nd5 c4 2406[ECO B02 Alekhine's defence: Welling variation] 2407e4 Nf6 e5 Nd5 b3 2408[ECO B02 Alekhine's defence: S\"amisch attack] 2409e4 Nf6 e5 Nd5 Nc3 2410[ECO B02 Alekhine's defence: Kmoch variation] 2411e4 Nf6 e5 Nd5 Bc4 Nb6 Bb3 c5 d3 2412[ECO B02 Alekhine's defence] 2413e4 Nf6 e5 Nd5 2414[ECO B02 Alekhine's defence: Brooklyn defence] 2415e4 Nf6 e5 Ng8 2416[ECO B02 Alekhine's defence: Mokele Mbembe variation] 2417e4 Nf6 e5 Ne4 2418[ECO B02 Alekhine's defence: Krejcik variation] 2419e4 Nf6 Bc4 2420[ECO B02 Alekhine's defence: Mar\'oczy variation] 2421e4 Nf6 d3 2422[ECO B02 Alekhine's defence: Spielmann variation] 2423e4 Nf6 Nc3 d5 e5 N6d7 e6 2424[ECO B02 Alekhine's defence: Scandinavian variation] 2425e4 Nf6 Nc3 d5 2426[ECO B02 Alekhine's defence] 2427e4 Nf6 2428[ECO B01 Scandinavian: Richter variation] 2429e4 d5 ed Nf6 d4 g6 2430[ECO B01 Scandinavian: Kiel variation] 2431e4 d5 ed Nf6 d4 Nd5 c4 Nb4 2432[ECO B01 Scandinavian: Marshall variation] 2433e4 d5 ed Nf6 d4 Nd5 2434[ECO B01 Scandinavian defence] 2435e4 d5 ed Nf6 d4 2436[ECO B01 Scandinavian gambit] 2437e4 d5 ed Nf6 c4 c6 2438[ECO B01 Scandinavian: Icelandic gambit] 2439e4 d5 ed Nf6 c4 e6 2440[ECO B01 Scandinavian defence] 2441e4 d5 ed Nf6 2442[ECO B01 Scandinavian: Pytel-Wade variation] 2443e4 d5 ed Qd5 Nc3 Qd6 2444[ECO B01 Scandinavian, Mieses-Kotr\v c gambit] 2445e4 d5 ed Qd5 Nc3 Qa5 b4 2446[ECO B01 Scandinavian: Anderssen counter-attack, Collijn variation] 2447e4 d5 ed Qd5 Nc3 Qa5 d4 e5 Nf3 Bg4 2448[ECO B01 Scandinavian: Anderssen counter-attack, Goteborg system] 2449e4 d5 ed Qd5 Nc3 Qa5 d4 e5 Nf3 2450[ECO B01 Scandinavian: Anderssen counter-attack orthodox attack] 2451e4 d5 ed Qd5 Nc3 Qa5 d4 e5 de Bb4 Bd2 Nc6 Nf3 2452[ECO B01 Scandinavian: Anderssen counter-attack] 2453e4 d5 ed Qd5 Nc3 Qa5 d4 e5 2454[ECO B01 Scandinavian defence, Gr\"unfeld variation] 2455e4 d5 ed Qd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 g4 2456[ECO B01 Scandinavian defence] 2457e4 d5 ed Qd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 2458[ECO B01 Scandinavian defence, Lasker variation] 2459e4 d5 ed Qd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 h3 2460[ECO B01 Scandinavian defence] 2461e4 d5 2462[ECO B00 KP: Neo-Mongoloid defence] 2463e4 Nc6 d4 f6 2464[ECO B00 KP: Nimzovich defence, Bogolyubov variation] 2465e4 Nc6 d4 d5 Nc3 2466[ECO B00 KP: Nimzovich defence, Marshall gambit] 2467e4 Nc6 d4 d5 ed Qd5 Nc3 2468[ECO B00 KP: Nimzovich defence] 2469e4 Nc6 d4 2470[ECO B00 KP: Colorado counter] 2471e4 Nc6 Nf3 f5 2472[ECO B00 KP: Nimzovich defence] 2473e4 Nc6 Nf3 2474[ECO B00 KP: Nimzovich defence, Wheeler gambit] 2475e4 Nc6 b4 Nb4 c3 Nc6 d4 2476[ECO B00 KP: Nimzovich defence] 2477e4 Nc6 2478[ECO B00 Guatemala defence] 2479e4 b6 d4 Ba6 2480[ECO B00 Owen defence] 2481e4 b6 2482[ECO B00 St. George defence] 2483e4 a6 2484[ECO B00 Reversed Grob ] 2485e4 g5 2486[ECO B00 Carr's defence] 2487e4 h6 2488[ECO B00 Fried fox defence] 2489e4 f6 d4 Kf7 2490[ECO B00 Barnes defence] 2491e4 f6 2492[ECO B00 Fred] 2493e4 f5 2494[ECO B00 Lemming defence] 2495e4 Na6 2496[ECO B00 Corn stalk defence] 2497e4 a5 2498[ECO B00 Hippopotamus defence] 2499e4 Nh6 d4 g6 c4 f6 2500[ECO B00 King's pawn opening] 2501e4 2502[ECO D69 QGD: Orthodox defence, classical, 13.de] 2503d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2504Bc4 Nd5 Be7 Qe7 o-o Nc3 Rc3 e5 de Ne5 Ne5 Qe5 2505[ECO D68 QGD: Orthodox defence, classical, 13.d1c2 ] 2506d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2507Bc4 Nd5 Be7 Qe7 o-o Nc3 Rc3 e5 Qc2 2508[ECO D68 QGD: Orthodox defence, classical, 13.d1b1 ] 2509d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2510Bc4 Nd5 Be7 Qe7 o-o Nc3 Rc3 e5 Qb1 2511[ECO D68 QGD: Orthodox defence, classical variation] 2512d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2513Bc4 Nd5 Be7 Qe7 o-o Nc3 Rc3 e5 2514[ECO D67 QGD: Orthodox defence, Bd3 line, 11.O-O] 2515d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2516Bc4 Nd5 Be7 Qe7 o-o 2517[ECO D67 QGD: Orthodox defence, Bd3 line, Alekhine variation] 2518d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2519Bc4 Nd5 Be7 Qe7 Ne4 2520[ECO D67 QGD: Orthodox defence, Bd3 line] 2521d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2522Bc4 Nd5 Be7 Qe7 2523[ECO D67 QGD: Orthodox defence, Bd3 line, Janowski variation] 2524d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2525Bc4 Nd5 h4 2526[ECO D67 QGD: Orthodox defence, Bd3 line, Capablanca freeing manoevre] 2527d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2528Bc4 Nd5 2529[ECO D66 QGD: Orthodox defence, Bd3 line, fianchetto variation] 2530d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 dc 2531Bc4 b5 2532[ECO D66 QGD: Orthodox defence, Bd3 line] 2533d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Bd3 2534[ECO D65 QGD: Orthodox defence, Rubinstein attack, main line] 2535d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Qc2 a6 2536cd 2537[ECO D64 QGD: Orthodox defence, Rubinstein attack, Gr\"unfeld variation] 2538d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Qc2 a6 2539a3 2540[ECO D64 QGD: Orthodox defence, Rubinstein attack, Karlsbad variation] 2541d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Qc2 a6 2542[ECO D64 QGD: Orthodox defence, Rubinstein attack, Wolf variation] 2543d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Qc2 Ne4 2544[ECO D64 QGD: Orthodox defence, Rubinstein attack ] 2545d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 Qc2 2546[ECO D63 QGD: Orthodox defence] 2547d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 c6 2548[ECO D63 QGD: Orthodox defence, Swiss, Karlsbad variation] 2549d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 a6 cd 2550[ECO D63 QGD: Orthodox defence, Swiss variation] 2551d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 a6 2552[ECO D63 QGD: Orthodox defence, Capablanca variation] 2553d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 b6 cd ed 2554Bb5 2555[ECO D63 QGD: Orthodox defence, Pillsbury attack] 2556d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 b6 cd ed 2557Bd3 2558[ECO D63 QGD: Orthodox defence, 7.Rc1] 2559d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Rc1 2560[ECO D62 QGD: Orthodox defence, 7.Qc2 c5, 8.cd ] 2561d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Qc2 c5 cd 2562[ECO D61 QGD: Orthodox defence, Rubinstein variation] 2563d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Qc2 2564[ECO D60 QGD: Orthodox defence, Rauzer variation] 2565d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Qb3 2566[ECO D60 QGD: Orthodox defence, Botvinnik variation] 2567d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 Bd3 2568[ECO D60 QGD: Orthodox defence] 2569d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 N8d7 2570[ECO D59 QGD: Tartakower variation] 2571d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 b6 cd Nd5 2572Be7 Qe7 Nd5 ed Rc1 Be6 2573[ECO D59 QGD: Tartakower system, 8.cd Nxd5] 2574d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 b6 cd Nd5 2575[ECO D58 QGD: Tartakower system] 2576d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 b6 2577[ECO D57 QGD: Lasker defence, Bernstein variation] 2578d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 Ne4 Be7 Qe7 2579cd Nc3 bc ed Qb3 Qd6 2580[ECO D57 QGD: Lasker defence, main line] 2581d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 Ne4 Be7 Qe7 2582cd Nc3 bc 2583[ECO D56 QGD: Lasker defence, Russian variation] 2584d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 Ne4 Be7 Qe7 2585Qc2 Nf6 Bd3 dc Bc4 c5 o-o Nc6 f1d1 Bd7 2586[ECO D56 QGD: Lasker defence, Teichmann variation] 2587d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 Ne4 Be7 Qe7 2588Qc2 2589[ECO D56 QGD: Lasker defence] 2590d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 Ne4 2591[ECO D55 QGD: Neo-orthodox variation, 7.Bh4] 2592d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bh4 2593[ECO D55 QGD: Petrosian variation] 2594d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bf6 Bf6 Rc1 c6 2595Bd3 Nd7 o-o dc Bc4 2596[ECO D55 QGD: Neo-orthodox variation, 7.Bxf6] 2597d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 Bf6 2598[ECO D55 QGD: Neo-orthodox variation] 2599d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 h6 2600[ECO D55 QGD: Pillsbury attack] 2601d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 b6 Bd3 Bb7 cd ed 2602Ne5 2603[ECO D55 QGD: 6.Nf3] 2604d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Nf3 2605[ECO D54 QGD: Anti-neo-orthodox variation] 2606d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o Rc1 2607[ECO D53 QGD: 4.Bg5 Be7, 5.e3 O-O] 2608d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 o-o 2609[ECO D53 QGD: Lasker variation] 2610d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 Ne4 2611[ECO D53 QGD: 4.Bg5 Be7] 2612d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 2613[ECO D52 QGD: Cambridge Springs defence, Yugoslav variation] 2614d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 cd Nd5 2615[ECO D52 QGD: Cambridge Springs defence, 7.cd] 2616d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 cd 2617[ECO D52 QGD: Cambridge Springs defence, Capablanca variation] 2618d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 Bf6 2619[ECO D52 QGD: Cambridge Springs defence, Rubinstein variation] 2620d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 Nd2 dc 2621[ECO D52 QGD: Cambridge Springs defence, Argentine variation] 2622d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 o-o 2623Bh4 2624[ECO D52 QGD: Cambridge Springs defence, Bogolyubov variation] 2625d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 2626[ECO D52 QGD: Cambridge Springs defence] 2627d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 Qa5 2628[ECO D?? QGD] 2629d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 Nf3 2630[ECO D51 QGD: Capablanca anti-Cambridge Springs variation] 2631d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 a3 2632[ECO D51 QGD: 5...c6] 2633d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 c6 2634[ECO D51 QGD: Manhattan variation] 2635d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 Bb4 2636[ECO D51 QGD] 2637d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 e3 2638[ECO D51 QGD: Alekhine variation] 2639d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 Nf3 c6 e4 2640[ECO D51 QGD: Rochlin variation] 2641d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 Nf3 c6 Rc1 Qa5 Bd2 2642[ECO D51 QGD: 4.Bg5 Nbd7] 2643d4 d5 c4 e6 Nc3 Nf6 Bg5 N8d7 2644[ECO D50 QGD: Canal variation] 2645d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cd Qb6 2646[ECO D50 QGD: Semi-Tarrasch] 2647d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cd 2648[ECO D50 QGD: Semi-Tarrasch, Primitive Pillsbury variation] 2649d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cd Qd4 2650[ECO D50 QGD: Semi-Tarrasch, Krause variation] 2651d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cd Nd4 e5 N4b5 a6 Qa4 2652[ECO D50 QGD: Been-Koomen variation] 2653d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 2654[ECO D50 QGD: 4.Bg5] 2655d4 d5 c4 e6 Nc3 Nf6 Bg5 2656[ECO D49 QGD semi-Slav: Meran, Rellstab attack] 2657d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2658e4 c5 e5 cd Nb5 Ne5 Ne5 ab o-o Qd5 Qe2 Ba6 Bg5 2659[ECO D49 QGD semi-Slav: Meran, Sozin variation] 2660d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2661e4 c5 e5 cd Nb5 Ne5 Ne5 ab o-o 2662[ECO D49 QGD semi-Slav: Meran, Stahlberg variation] 2663d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2664e4 c5 e5 cd Nb5 Ne5 Ne5 ab Qf3 2665[ECO D49 QGD semi-Slav: Meran, Sozin variation] 2666d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2667e4 c5 e5 cd Nb5 Ne5 2668[ECO D49 QGD semi-Slav: Meran, Rabinovich variation] 2669d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2670e4 c5 e5 cd Nb5 Ng4 2671[ECO D49 QGD semi-Slav: Meran, Blumenfeld variation] 2672d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2673e4 c5 e5 cd Nb5 2674[ECO D48 QGD semi-Slav: Meran, old main line] 2675d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2676e4 c5 e5 2677[ECO D48 QGD semi-Slav: Meran, Reynolds' variation] 2678d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2679e4 c5 d5 2680[ECO D48 QGD semi-Slav: Meran] 2681d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2682e4 c5 2683[ECO D48 QGD semi-Slav: Meran, Pir\'c variation] 2684d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2685e4 b4 2686[ECO D48 QGD semi-Slav: Meran, 8...a6] 2687d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 a6 2688[ECO D47 QGD semi-Slav: Meran, Wade variation] 2689d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 Bb7 2690[ECO D47 QGD semi-Slav: neo-Meran ] 2691d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 Bd3 b4 2692[ECO D47 QGD semi-Slav: Meran variation] 2693d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 b5 2694[ECO D47 QGD semi-Slav: 7.Bc4] 2695d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 dc Bc4 2696[ECO D46 QGD semi-Slav: Chigorin defence] 2697d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 Bd6 2698[ECO D46 QGD semi-Slav: Romih variation] 2699d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 Bb4 2700[ECO D46 QGD semi-Slav: Bogolyubov variation] 2701d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 Be7 2702[ECO D46 QGD semi-Slav: 6.Bd3] 2703d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Bd3 2704[ECO D45 QGD semi-Slav: Rubinstein system] 2705d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Ne5 2706[ECO D45 QGD semi-Slav: Stoltz variation] 2707d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 Qc2 2708[ECO D45 QGD semi-Slav: 5...Nd7] 2709d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 N8d7 2710[ECO D45 QGD semi-Slav: accelerated Meran ] 2711d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 a6 2712[ECO D45 QGD semi-Slav: stonewall defence] 2713d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Ne4 Bd3 f5 2714[ECO D45 QGD semi-Slav: 5.e3] 2715d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 2716[ECO D44 QGD semi-Slav: anti-Meran, Alatortsev system] 2717d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 b5 e5 h6 Bh4 g5 2718Ng5 Nd5 2719[ECO D44 QGD semi-Slav: anti-Meran, Szab\'o variation] 2720d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 b5 e5 h6 Bh4 g5 2721Ng5 hg Bg5 N8d7 Qf3 2722[ECO D44 QGD semi-Slav: anti-Meran, Lilienthal variation] 2723d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 b5 e5 h6 Bh4 g5 2724Ng5 hg Bg5 N8d7 g3 2725[ECO D44 QGD semi-Slav: anti-Meran gambit] 2726d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 b5 e5 h6 Bh4 g5 2727Ng5 2728[ECO D44 QGD semi-Slav: Ekstrom variation] 2729d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 b5 e5 h6 Bh4 g5 2730ef gh Ne5 2731[ECO D44 QGD semi-Slav: Botvinnik system ] 2732d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc e4 2733[ECO D44 QGD semi-Slav: 5.Bg5 dc] 2734d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dc 2735[ECO D43 QGD semi-Slav: Hastings variation] 2736d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bf6 Qf6 Qb3 2737[ECO D43 QGD semi-Slav] 2738d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 2739[ECO D42 QGD: Semi-Tarrasch, 7.Bd3] 2740d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cd Nd5 e3 Nc6 Bd3 2741[ECO D41 QGD: Semi-Tarrasch with e3] 2742d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cd Nd5 e3 2743[ECO D41 QGD: Semi-Tarrasch, San Sebastian variation] 2744d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cd Nd5 e4 Nc3 bc cd cd Bb4 2745Bd2 Qa5 2746[ECO D41 QGD: Semi-Tarrasch, Kmoch variation] 2747d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cd Nd5 e4 Nc3 bc cd cd Bb4 2748Bd2 Bd2 Qd2 o-o Bb5 2749[ECO D41 QGD: Semi-Tarrasch, 5.cd] 2750d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cd 2751[ECO D40 QGD: Semi-Tarrasch defence, Pillsbury variation] 2752d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 Bg5 2753[ECO D40 QGD: Semi-Tarrasch, Levenfish variation] 2754d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 Bd3 Bd6 o-o o-o Qe2 Qe7 2755dc Bc5 e4 2756[ECO D40 QGD: Semi-Tarrasch, symmetrical variation] 2757d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 Bd3 Bd6 o-o o-o 2758[ECO D40 QGD: Semi-Tarrasch defence] 2759d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 2760[ECO D39 QGD: Ragozin, Vienna variation] 2761d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dc 2762[ECO D38 QGD: Ragozin variation] 2763d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 2764[ECO D37 QGD: classical variation ] 2765d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 2766[ECO D37 QGD: 4.Nf3] 2767d4 d5 c4 e6 Nc3 Nf6 Nf3 2768[ECO D36 QGD: exchange, positional line, 6.Qc2] 2769d4 d5 c4 e6 Nc3 Nf6 cd ed Bg5 c6 Qc2 2770[ECO D35 QGD: exchange, positional line, 5...c6] 2771d4 d5 c4 e6 Nc3 Nf6 cd ed Bg5 c6 2772[ECO D35 QGD: exchange, chameleon variation] 2773d4 d5 c4 e6 Nc3 Nf6 cd ed Bg5 Be7 e3 o-o Bd3 N8d7 Qc2 Re8 2774N1e2 Nf8 o-o-o 2775[ECO D35 QGD: exchange, positional line] 2776d4 d5 c4 e6 Nc3 Nf6 cd ed Bg5 2777[ECO D35 QGD: exchange, S\"amisch variation] 2778d4 d5 c4 e6 Nc3 Nf6 cd ed Nf3 N8d7 Bf4 2779[ECO D35 QGD: exchange variation] 2780d4 d5 c4 e6 Nc3 Nf6 cd 2781[ECO D35 QGD: Harrwitz attack] 2782d4 d5 c4 e6 Nc3 Nf6 Bf4 2783[ECO D35 QGD: 3...Nf6] 2784d4 d5 c4 e6 Nc3 Nf6 2785[ECO D34 QGD: Tarrasch, Stoltz variation] 2786d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 o-o o-o 2787Bg5 Be6 Rc1 b6 2788[ECO D34 QGD: Tarrasch, Bogolyubov variation] 2789d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 o-o o-o 2790Bg5 Be6 Rc1 c4 2791[ECO D34 QGD: Tarrasch, Prague variation, 9.Bg5] 2792d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 o-o o-o 2793Bg5 2794[ECO D34 QGD: Tarrasch, R\'eti variation] 2795d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 o-o o-o 2796dc Bc5 Na4 2797[ECO D34 QGD: Tarrasch, Prague variation, Normal position] 2798d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 o-o o-o 2799[ECO D34 QGD: Tarrasch, Prague variation, 7...Be7] 2800d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Be7 2801[ECO D33 QGD: Tarrasch, Wagner variation] 2802d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 Bg2 Bg4 2803[ECO D33 QGD: Tarrasch, Prague variation] 2804d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 Nf6 2805[ECO D33 QGD: Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation] 2806d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 c4 e4 2807[ECO D33 QGD: Tarrasch, Folkestone variation] 2808d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 c4 2809[ECO D33 QGD: Tarrasch, Schlechter-Rubinstein system] 2810d4 d5 c4 e6 Nc3 c5 cd ed Nf3 Nc6 g3 2811[ECO D32 QGD: Tarrasch defence] 2812d4 d5 c4 e6 Nc3 c5 cd ed Nf3 2813[ECO D32 QGD: Tarrasch defence, Marshall gambit] 2814d4 d5 c4 e6 Nc3 c5 cd ed e4 2815[ECO D32 QGD: Tarrasch defence, Tarrasch gambit] 2816d4 d5 c4 e6 Nc3 c5 cd ed dc d4 Na4 b5 2817[ECO D32 QGD: Tarrasch defence, 4.cd ed] 2818d4 d5 c4 e6 Nc3 c5 cd ed 2819[ECO D32 QGD: Tarrasch, von Hennig-Schara gambit] 2820d4 d5 c4 e6 Nc3 c5 cd cd 2821[ECO D32 QGD: Tarrasch defence] 2822d4 d5 c4 e6 Nc3 c5 2823[ECO D31 QGD: semi-Slav, Marshall gambit] 2824d4 d5 c4 e6 Nc3 c6 e4 2825[ECO D31 QGD: semi-Slav, Abrahams variation] 2826d4 d5 c4 e6 Nc3 c6 Nf3 dc a4 Bb4 e3 b5 Bd2 a5 2827[ECO D31 QGD: semi-Slav, Junge variation] 2828d4 d5 c4 e6 Nc3 c6 Nf3 dc a4 Bb4 e3 b5 Bd2 Qb6 2829[ECO D31 QGD: semi-Slav, Koomen variation] 2830d4 d5 c4 e6 Nc3 c6 Nf3 dc a4 Bb4 e3 b5 Bd2 Qe7 2831[ECO D31 QGD: semi-Slav, Noteboom variation] 2832d4 d5 c4 e6 Nc3 c6 Nf3 dc 2833[ECO D31 QGD: semi-Slav] 2834d4 d5 c4 e6 Nc3 c6 2835[ECO D31 QGD: Charousek variation] 2836d4 d5 c4 e6 Nc3 Be7 2837[ECO D31 QGD: Alapin variation] 2838d4 d5 c4 e6 Nc3 b6 2839[ECO D31 QGD: Janowski variation] 2840d4 d5 c4 e6 Nc3 a6 2841[ECO D31 QGD: 3.Nc3] 2842d4 d5 c4 e6 Nc3 2843[ECO D30 QGD: Hastings variation] 2844d4 d5 c4 e6 Nf3 Nf6 Bg5 h6 Bf6 Qf6 Nc3 c6 Qb3 2845[ECO D30 QGD: Capablanca-Duras variation] 2846d4 d5 c4 e6 Nf3 Nf6 Bg5 h6 2847[ECO D30 QGD: Vienna variation] 2848d4 d5 c4 e6 Nf3 Nf6 Bg5 Bb4 2849[ECO D30 QGD: Capablanca variation] 2850d4 d5 c4 e6 Nf3 Nf6 Bg5 N8d7 e3 c6 N1d2 2851[ECO D30 QGD] 2852d4 d5 c4 e6 Nf3 Nf6 Bg5 2853[ECO D30 QGD: Spielmann variation] 2854d4 d5 c4 e6 Nf3 Nf6 e3 c6 N1d2 g6 2855[ECO D30 QGD Slav: Semmering variation] 2856d4 d5 c4 e6 Nf3 Nf6 e3 c6 N1d2 N8d7 Bd3 c5 2857[ECO D30 QGD Slav] 2858d4 d5 c4 e6 Nf3 Nf6 e3 c6 N1d2 N8d7 2859[ECO D30 QGD: Stonewall variation] 2860d4 d5 c4 e6 Nf3 Nf6 e3 c6 N1d2 Ne4 Bd3 f5 2861[ECO D30 QGD Slav] 2862d4 d5 c4 e6 Nf3 Nf6 e3 c6 N1d2 2863[ECO D30 Queen's gambit declined] 2864d4 d5 c4 e6 2865[ECO D29 QGA: classical, Smyslov variation] 2866d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 Qe2 b5 Bb3 Bb7 2867Rd1 N8d7 Nc3 Bd6 2868[ECO D29 QGA: classical, 8...Bb7] 2869d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 Qe2 b5 Bb3 Bb7 2870[ECO D28 QGA: classical, Flohr variation] 2871d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 Qe2 b5 Bb3 Nc6 2872Rd1 c4 Bc2 Nb4 Nc3 Nc2 Qc2 Bb7 d5 Qc7 2873[ECO D28 QGA: classical, 7...b5] 2874d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 Qe2 b5 2875[ECO D28 QGA: classical, 7.Qe2] 2876d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 Qe2 2877[ECO D27 QGA: classical, Geller variation] 2878d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 e4 2879[ECO D27 QGA: classical, Rubinstein variation] 2880d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 a4 2881[ECO D27 QGA: classical, 6...a6] 2882d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o a6 2883[ECO D26 QGA: classical, Steinitz variation] 2884d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o cd 2885[ECO D26 QGA: classical variation, 6.O-O] 2886d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 o-o 2887[ECO D26 QGA: classical, Furman variation] 2888d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 Qe2 a6 dc Bc5 o-o Nc6 2889e4 b5 e5 2890[ECO D26 QGA: classical variation] 2891d4 d5 c4 dc Nf3 Nf6 e3 e6 Bc4 c5 2892[ECO D26 QGA: 4...e6] 2893d4 d5 c4 dc Nf3 Nf6 e3 e6 2894[ECO D25 QGA, Flohr variation] 2895d4 d5 c4 dc Nf3 Nf6 e3 Be6 2896[ECO D25 QGA, Janowsky-Larsen variation] 2897d4 d5 c4 dc Nf3 Nf6 e3 Bg4 2898[ECO D25 QGA, Smyslov variation] 2899d4 d5 c4 dc Nf3 Nf6 e3 g6 2900[ECO D25 QGA, 4.e3] 2901d4 d5 c4 dc Nf3 Nf6 e3 2902[ECO D24 QGA, Bogolyubov variation] 2903d4 d5 c4 dc Nf3 Nf6 Nc3 a6 e4 2904[ECO D24 QGA, 4.Nc3] 2905d4 d5 c4 dc Nf3 Nf6 Nc3 2906[ECO D23 QGA: Mannheim variation] 2907d4 d5 c4 dc Nf3 Nf6 Qa4 2908[ECO D23 Queen's gambit accepted] 2909d4 d5 c4 dc Nf3 Nf6 2910[ECO D21 QGA: Alekhine defense, Borisenko-Furman variation] 2911d4 d5 c4 dc Nf3 a6 e4 2912[ECO D22 QGA: Haberditz variation] 2913d4 d5 c4 dc Nf3 a6 e3 b5 2914[ECO D22 QGA: Alekhine defence, Alatortsev variation] 2915d4 d5 c4 dc Nf3 a6 e3 Bg4 Bc4 e6 d5 2916[ECO D22 QGA: Alekhine defence] 2917d4 d5 c4 dc Nf3 a6 2918[ECO D21 QGA: Ericson variation] 2919d4 d5 c4 dc Nf3 b5 2920[ECO D21 QGA: 3.Nf3] 2921d4 d5 c4 dc Nf3 2922[ECO D20 QGA: Schwartz defence] 2923d4 d5 c4 dc e4 f5 2924[ECO D20 QGA: Linares variation] 2925d4 d5 c4 dc e4 c5 d5 Nf6 Nc3 b5 2926[ECO D20 QGA: 3.e4] 2927d4 d5 c4 dc e4 2928[ECO D20 Queen's gambit accepted] 2929d4 d5 c4 dc 2930[ECO D19 QGD Slav: Dutch, S\"amisch variation] 2931d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 e3 e6 Bc4 Bb4 o-o o-o 2932Qe2 Ne4 g4 2933[ECO D19 QGD Slav: Dutch variation, main line] 2934d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 e3 e6 Bc4 Bb4 o-o o-o 2935Qe2 2936[ECO D19 QGD Slav: Dutch variation] 2937d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 e3 e6 Bc4 Bb4 o-o 2938[ECO D18 QGD Slav: Dutch, Lasker variation] 2939d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 e3 Na6 2940[ECO D18 QGD Slav: Dutch variation] 2941d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 e3 2942[ECO D17 QGD Slav: Wiesbaden variation] 2943d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 Ne5 e6 2944[ECO D17 QGD Slav: Carlsbad variation] 2945d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 Ne5 N8d7 Nc4 Qc7 g3 e5 2946[ECO D17 QGD Slav: Krause attack] 2947d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 Ne5 2948[ECO D17 QGD Slav: Czech defence] 2949d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bf5 2950[ECO D16 QGD Slav: Steiner variation] 2951d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Bg4 2952[ECO D16 QGD Slav: Soultanb\'eieff variation] 2953d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 e6 2954[ECO D16 QGD Slav: Smyslov variation] 2955d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 Na6 e4 Bg4 2956[ECO D16 QGD Slav accepted: Alapin variation] 2957d4 d5 c4 c6 Nf3 Nf6 Nc3 dc a4 2958[ECO D15 QGD Slav: Tolush-Geller gambit] 2959d4 d5 c4 c6 Nf3 Nf6 Nc3 dc e4 b5 e5 2960[ECO D15 QGD Slav: Slav gambit] 2961d4 d5 c4 c6 Nf3 Nf6 Nc3 dc e4 2962[ECO D15 QGD Slav: 5.e3 ] 2963d4 d5 c4 c6 Nf3 Nf6 Nc3 dc e3 2964[ECO D15 QGD Slav accepted] 2965d4 d5 c4 c6 Nf3 Nf6 Nc3 dc 2966[ECO D15 QGD Slav: Schlechter variation] 2967d4 d5 c4 c6 Nf3 Nf6 Nc3 g6 2968[ECO D15 QGD Slav: S\"uchting variation] 2969d4 d5 c4 c6 Nf3 Nf6 Nc3 Qb6 2970[ECO D15 QGD Slav: 4.Nc3] 2971d4 d5 c4 c6 Nf3 Nf6 Nc3 2972[ECO D14 QGD Slav: exchange, Trifunovi\'c variation] 2973d4 d5 c4 c6 Nf3 Nf6 cd cd Nc3 Nc6 Bf4 Bf5 e3 e6 Qb3 Bb4 2974[ECO D14 QGD Slav: exchange variation, 6.Bf4 Bf5] 2975d4 d5 c4 c6 Nf3 Nf6 cd cd Nc3 Nc6 Bf4 Bf5 2976[ECO D13 QGD Slav: exchange variation] 2977d4 d5 c4 c6 Nf3 Nf6 cd cd 2978[ECO D12 QGD Slav: Amsterdam variation] 2979d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cd cd Nc3 e6 Ne5 N6d7 2980[ECO D12 QGD Slav: exchange variation] 2981d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cd cd Nc3 2982[ECO D12 QGD Slav: Landau variation] 2983d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cd cd Qb3 Qc8 Bd2 e6 Na3 2984[ECO D12 QGD Slav: 4.e3 Bf5] 2985d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 2986[ECO D11 QGD Slav: 4.e3] 2987d4 d5 c4 c6 Nf3 Nf6 e3 2988[ECO D11 QGD Slav: Breyer variation] 2989d4 d5 c4 c6 Nf3 Nf6 N1d2 2990[ECO D11 QGD Slav: 3.Nf3] 2991d4 d5 c4 c6 Nf3 2992[ECO D10 QGD Slav defence: exchange variation] 2993d4 d5 c4 c6 cd 2994[ECO D10 QGD Slav: Winawer counter-gambit] 2995d4 d5 c4 c6 Nc3 e5 2996[ECO D10 QGD Slav defence, Alekhine variation] 2997d4 d5 c4 c6 Nc3 dc e4 2998[ECO D10 QGD Slav defence] 2999d4 d5 c4 c6 3000[ECO D09 QGD: Albin counter-gambit, 5.g3] 3001d4 d5 c4 e5 de d4 Nf3 Nc6 g3 3002[ECO D08 QGD: Albin counter-gambit, Balogh variation] 3003d4 d5 c4 e5 de d4 Nf3 Nc6 N1d2 Qe7 3004[ECO D08 QGD: Albin counter-gambit, Janowski variation] 3005d4 d5 c4 e5 de d4 Nf3 Nc6 N1d2 f6 3006[ECO D08 QGD: Albin counter-gambit, Kr\'enosz variation] 3007d4 d5 c4 e5 de d4 Nf3 Nc6 N1d2 Bg4 h3 Bf3 Nf3 Bb4 Bd2 Qe7 3008[ECO D08 QGD: Albin counter-gambit, Alapin variation] 3009d4 d5 c4 e5 de d4 Nf3 Nc6 N1d2 3010[ECO D08 QGD: Albin counter-gambit] 3011d4 d5 c4 e5 de d4 Nf3 3012[ECO D08 QGD: Albin counter-gambit, Lasker trap] 3013d4 d5 c4 e5 de d4 e3 Bb4 Bd2 de 3014[ECO D08 QGD: Albin counter-gambit] 3015d4 d5 c4 e5 3016[ECO D07 QGD: Chigorin defence, Janowski variation] 3017d4 d5 c4 Nc6 Nc3 dc Nf3 3018[ECO D07 QGD: Chigorin defence] 3019d4 d5 c4 Nc6 3020[ECO D06 QGD: symmetrical defence] 3021d4 d5 c4 c5 3022[ECO D06 QGD: Marshall defence] 3023d4 d5 c4 Nf6 3024[ECO D06 QGD: Grau defence] 3025d4 d5 c4 Bf5 3026[ECO D06 Queen's gambit declined] 3027d4 d5 c4 3028[ECO D05 Colle system] 3029d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 3030[ECO D05 Queen's pawn game, Rubinstein variation] 3031d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3 3032[ECO D05 Queen's pawn game] 3033d4 d5 Nf3 Nf6 e3 e6 Bd3 3034[ECO D05 Queen's pawn game, Zukertort variation] 3035d4 d5 Nf3 Nf6 e3 e6 N1d2 c5 b3 3036[ECO D05 Queen's pawn game] 3037d4 d5 Nf3 Nf6 e3 e6 3038[ECO D04 Queen's pawn game] 3039d4 d5 Nf3 Nf6 e3 3040[ECO D03 Torre attack ] 3041d4 d5 Nf3 Nf6 Bg5 3042[ECO D02 Queen's bishop game] 3043d4 d5 Nf3 Nf6 Bf4 3044[ECO D02 Queen's pawn game] 3045d4 d5 Nf3 Nf6 3046[ECO D02 Queen's pawn game, Krause variation] 3047d4 d5 Nf3 c5 3048[ECO D02 Queen's pawn game, Chigorin variation] 3049d4 d5 Nf3 Nc6 3050[ECO D02 Queen's pawn game] 3051d4 d5 Nf3 3052[ECO D01 Richter-Veresov attack, Richter variation] 3053d4 d5 Nc3 Nf6 Bg5 Bf5 f3 3054[ECO D01 Richter-Veresov attack, Veresov variation] 3055d4 d5 Nc3 Nf6 Bg5 Bf5 Bf6 3056[ECO D01 Richter-Veresov attack] 3057d4 d5 Nc3 Nf6 Bg5 3058[ECO D00 Blackmar-Diemer: Lemberg counter-gambit] 3059d4 d5 Nc3 Nf6 e4 e5 3060[ECO D00 Blackmar-Diemer: Euwe defence] 3061d4 d5 Nc3 Nf6 e4 de f3 ef Nf3 e6 3062[ECO D00 Blackmar-Diemer gambit] 3063d4 d5 Nc3 Nf6 e4 3064[ECO D00 Queen's pawn: Anti-Veresov] 3065d4 d5 Nc3 Bg4 3066[ECO D00 Queen's pawn: Chigorin variation] 3067d4 d5 Nc3 3068[ECO D00 Queen's pawn: stonewall attack] 3069d4 d5 e3 Nf6 Bd3 3070[ECO D00 Blackmar gambit] 3071d4 d5 e4 3072[ECO D00 Levitsky attack ] 3073d4 d5 Bg5 3074[ECO D00 Queen's pawn, Mason variation, Steinitz counter-gambit] 3075d4 d5 Bf4 c5 3076[ECO D00 Queen's pawn, Mason variation] 3077d4 d5 Bf4 3078[ECO D00 Queen's pawn game] 3079d4 d5 3080[ECO E59 Nimzo-Indian: 4.e3, main line] 3081d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o Nc6 a3 Bc3 3082bc dc Bc4 3083[ECO E58 Nimzo-Indian: 4.e3, main line with 8...Bxc3] 3084d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o Nc6 a3 Bc3 3085bc 3086[ECO E57 Nimzo-Indian: 4.e3, main line with 8...dc and 9...cd] 3087d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o Nc6 a3 dc 3088Bc4 cd 3089[ECO E56 Nimzo-Indian: 4.e3, main line with 7...Nc6] 3090d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o Nc6 3091[ECO E55 Nimzo-Indian: 4.e3, Gligori\'c system, Bronstein variation] 3092d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o dc Bc4 N8d7 3093[ECO E54 Nimzo-Indian: 4.e3, Gligori\'c system, Smyslov variation] 3094d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o dc Bc4 Qe7 3095[ECO E54 Nimzo-Indian: 4.e3, Gligori\'c system with 7...dc] 3096d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o dc Bc4 3097[ECO E53 Nimzo-Indian: 4.e3, Gligori\'c system with 7...Nbd7] 3098d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o N8d7 3099[ECO E53 Nimzo-Indian: 4.e3, Keres variation] 3100d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 o-o b6 3101[ECO E53 Nimzo-Indian: 4.e3, main line with ...c5] 3102d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 c5 3103[ECO E52 Nimzo-Indian: 4.e3, main line with ...b6] 3104d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 b6 3105[ECO E51 Nimzo-Indian: 4.e3, Ragozin variation] 3106d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 Bd3 Nc6 o-o dc 3107[ECO E51 Nimzo-Indian: 4.e3 e8g8, 5.Nf3 d7d5] 3108d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 d5 3109[ECO E50 Nimzo-Indian: 4.e3 e8g8, 5.Nf3, without ...d5] 3110d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Nf3 3111[ECO E49 Nimzo-Indian: 4.e3, Botvinnik system] 3112d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Bd3 d5 a3 Bc3 bc 3113[ECO E48 Nimzo-Indian: 4.e3 O-O, 5.Bd3 d5] 3114d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Bd3 d5 3115[ECO E47 Nimzo-Indian: 4.e3 O-O, 5.Bd3] 3116d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Bd3 3117[ECO E46 Nimzo-Indian: Simagin variation] 3118d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Ne2 d5 a3 Bd6 3119[ECO E46 Nimzo-Indian: Reshevsky variation] 3120d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o Ne2 3121[ECO E46 Nimzo-Indian: 4.e3 O-O] 3122d4 Nf6 c4 e6 Nc3 Bb4 e3 o-o 3123[ECO E45 Nimzo-Indian: 4.e3, Bronstein variation] 3124d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 3125[ECO E44 Nimzo-Indian: Fischer variation, 5.Ne2] 3126d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 3127[ECO E43 Nimzo-Indian: Fischer variation] 3128d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 3129[ECO E42 Nimzo-Indian: 4.e3 c5, 5.Ne2 ] 3130d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 3131[ECO E41 Nimzo-Indian: e3, H\"ubner variation] 3132d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bc3 bc d6 3133[ECO E41 Nimzo-Indian: 4.e3 c5] 3134d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 3135[ECO E40 Nimzo-Indian: 4.e3, Taimanov variation] 3136d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 3137[ECO E40 Nimzo-Indian: 4.e3] 3138d4 Nf6 c4 e6 Nc3 Bb4 e3 3139[ECO E39 Nimzo-Indian: classical, Pir\'c variation] 3140d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dc o-o 3141[ECO E38 Nimzo-Indian: classical, 4...c5] 3142d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 3143[ECO E37 Nimzo-Indian: classical, San Remo variation] 3144d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bc3 Qc3 Ne4 Qc2 Nc6 e3 e5 3145[ECO E37 Nimzo-Indian: classical, Noa variation, main line, 7.Qc2] 3146d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bc3 Qc3 Ne4 Qc2 3147[ECO E36 Nimzo-Indian: classical, Noa variation, main line] 3148d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bc3 Qc3 Ne4 3149[ECO E36 Nimzo-Indian: classical, Botvinnik variation] 3150d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bc3 Qc3 Nc6 3151[ECO E36 Nimzo-Indian: classical, Noa variation, 5.a3] 3152d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 3153[ECO E35 Nimzo-Indian: classical, Noa variation, 5.cd ed] 3154d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cd ed 3155[ECO E34 Nimzo-Indian: classical, Noa variation] 3156d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 3157[ECO E33 Nimzo-Indian: classical, Milner-Barry variation] 3158d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 3159[ECO E33 Nimzo-Indian: classical, 4...Nc6] 3160d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 3161[ECO E32 Nimzo-Indian: classical, Adorjan gambit] 3162d4 Nf6 c4 e6 Nc3 Bb4 Qc2 o-o a3 Bc3 Qc3 b5 3163[ECO E32 Nimzo-Indian: classical variation] 3164d4 Nf6 c4 e6 Nc3 Bb4 Qc2 3165[ECO E31 Nimzo-Indian: Leningrad, main line] 3166d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 3167[ECO E30 Nimzo-Indian: Leningrad, ...b5 gambit] 3168d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 b5 3169[ECO E30 Nimzo-Indian: Leningrad variation] 3170d4 Nf6 c4 e6 Nc3 Bb4 Bg5 3171[ECO E29 Nimzo-Indian: S\"amisch, Capablanca variation] 3172d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc o-o e3 c5 Bd3 Nc6 Ne2 b6 3173e4 Ne8 3174[ECO E29 Nimzo-Indian: S\"amisch, main line] 3175d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc o-o e3 c5 Bd3 Nc6 3176[ECO E28 Nimzo-Indian: S\"amisch variation] 3177d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc o-o e3 3178[ECO E27 Nimzo-Indian: S\"amisch variation] 3179d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc o-o 3180[ECO E26 Nimzo-Indian: S\"amisch, O'Kelly variation] 3181d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 e3 b6 3182[ECO E26 Nimzo-Indian: S\"amisch variation] 3183d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 e3 3184[ECO E25 Nimzo-Indian: S\"amisch, Romanovsky variation] 3185d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 f3 d5 cd Nd5 dc f5 3186[ECO E25 Nimzo-Indian: S\"amisch, Keres variation] 3187d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 f3 d5 cd Nd5 dc 3188[ECO E25 Nimzo-Indian: S\"amisch variation] 3189d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 f3 d5 cd 3190[ECO E24 Nimzo-Indian: S\"amisch, Botvinnik variation] 3191d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc c5 f3 d5 e3 o-o cd Nd5 3192[ECO E24 Nimzo-Indian: S\"amisch variation] 3193d4 Nf6 c4 e6 Nc3 Bb4 a3 Bc3 bc 3194[ECO E23 Nimzo-Indian: Spielmann, St\aa hlberg variation] 3195d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dc Nc6 Nf3 Ne4 Bd2 Nc5 Qc2 f5 3196g3 3197[ECO E23 Nimzo-Indian: Spielmann, San Remo variation] 3198d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dc Nc6 Nf3 Ne4 Bd2 Nc5 3199[ECO E23 Nimzo-Indian: Spielmann, Karlsbad variation] 3200d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dc Nc6 Nf3 Ne4 Bd2 Nd2 3201[ECO E23 Nimzo-Indian: Spielmann, 4...c5, 5.dc Nc6] 3202d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dc Nc6 3203[ECO E22 Nimzo-Indian: Spielmann variation] 3204d4 Nf6 c4 e6 Nc3 Bb4 Qb3 3205[ECO E21 Nimzo-Indian: three knights, Euwe variation] 3206d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 Ne4 3207[ECO E21 Nimzo-Indian: three knights, Korchnoi variation] 3208d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 3209[ECO E21 Nimzo-Indian: three knights variation] 3210d4 Nf6 c4 e6 Nc3 Bb4 Nf3 3211[ECO E20 Nimzo-Indian: Romanishin-Kasparov system] 3212d4 Nf6 c4 e6 Nc3 Bb4 g3 3213[ECO E20 Nimzo-Indian: Mikenas attack] 3214d4 Nf6 c4 e6 Nc3 Bb4 Qd3 3215[ECO E20 Nimzo-Indian: Kmoch variation] 3216d4 Nf6 c4 e6 Nc3 Bb4 f3 3217[ECO E20 Nimzo-Indian defence] 3218d4 Nf6 c4 e6 Nc3 Bb4 3219[ECO E19 Queen's Indian: old main line, 9.Qxc3] 3220d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 o-o o-o Nc3 Ne4 Qc2 Nc3 3221Qc3 3222[ECO E18 Queen's Indian: old main line, 7.Nc3] 3223d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 o-o o-o Nc3 3224[ECO E17 Queen's Indian: Euwe variation] 3225d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 o-o o-o b3 3226[ECO E17 Queen's Indian: old main line, 6.O-O] 3227d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 o-o 3228[ECO E17 Queen's Indian: Opo\v censky variation] 3229d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 3230[ECO E17 Queen's Indian: anti-Queen's Indian system] 3231d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 3232[ECO E17 Queen's Indian: 5.Bg2 Be7] 3233d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 3234[ECO E16 Queen's Indian: Riumin variation] 3235d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4 Bd2 Be7 3236[ECO E16 Queen's Indian: Yates variation] 3237d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4 Bd2 a5 3238[ECO E16 Queen's Indian: Capablanca variation] 3239d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4 3240[ECO E15 Queen's Indian: B\"urger variation] 3241d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 ed Ng5 3242[ECO E15 Queen's Indian: Rubinstein variation] 3243d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 ed Nh4 3244[ECO E15 Queen's Indian: 4.g3 Bb7] 3245d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 3246[ECO E15 Queen's Indian: Nimzovich variation ] 3247d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 3248[ECO E15 Queen's Indian: 4.g3] 3249d4 Nf6 c4 e6 Nf3 b6 g3 3250[ECO E14 Queen's Indian: Averbakh variation] 3251d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 o-o Be7 b3 o-o Bb2 cd 3252Nd4 3253[ECO E14 Queen's Indian: 4.e3] 3254d4 Nf6 c4 e6 Nf3 b6 e3 3255[ECO E13 Queen's Indian: 4.Nc3, main line] 3256d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 3257[ECO E12 Queen's Indian: 4.Nc3, Botvinnik variation] 3258d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5 Bg3 Nh5 3259[ECO E12 Queen's Indian: 4.Nc3] 3260d4 Nf6 c4 e6 Nf3 b6 Nc3 3261[ECO E12 Queen's Indian: Petrosian system] 3262d4 Nf6 c4 e6 Nf3 b6 a3 3263[ECO E12 Queen's Indian: Miles variation] 3264d4 Nf6 c4 e6 Nf3 b6 Bf4 3265[ECO E12 Queen's Indian defence] 3266d4 Nf6 c4 e6 Nf3 b6 3267[ECO E11 Bogo-Indian defence, Gr\"unfeld variation] 3268d4 Nf6 c4 e6 Nf3 Bb4 N1d2 3269[ECO E11 Bogo-Indian defence, Nimzovich variation] 3270d4 Nf6 c4 e6 Nf3 Bb4 Bd2 Qe7 3271[ECO E11 Bogo-Indian defence, Monticelli trap] 3272d4 Nf6 c4 e6 Nf3 Bb4 Bd2 Bd2 Qd2 b6 g3 Bb7 Bg2 o-o Nc3 Ne4 3273Qc2 Nc3 Ng5 3274[ECO E11 Bogo-Indian defence] 3275d4 Nf6 c4 e6 Nf3 Bb4 3276[ECO E10 D\"ory defence] 3277d4 Nf6 c4 e6 Nf3 Ne4 3278[ECO E10 Dzindzikhashvili defence] 3279d4 Nf6 c4 e6 Nf3 a6 3280[ECO E10 Blumenfeld counter-gambit, Spielmann variation] 3281d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 ed cd h6 3282[ECO E10 Blumenfeld counter-gambit, Dus-Chotimursky variation] 3283d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 3284[ECO E10 Blumenfeld counter-gambit accepted] 3285d4 Nf6 c4 e6 Nf3 c5 d5 b5 de fe cb d5 3286[ECO E10 Blumenfeld counter-gambit] 3287d4 Nf6 c4 e6 Nf3 c5 d5 b5 3288[ECO E10 Queen's pawn game] 3289d4 Nf6 c4 e6 Nf3 3290[ECO E09 Catalan: closed, Sokolsky variation] 3291d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 c6 N1d2 b6 3292b3 a5 Bb2 Ba6 3293[ECO E09 Catalan: closed, main line] 3294d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 c6 N1d2 3295[ECO E08 Catalan: closed, Spassky gambit] 3296d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 c6 b3 b6 3297Rd1 Bb7 Nc3 b5 3298[ECO E08 Catalan: closed, Qc2 & b3] 3299d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 c6 b3 3300[ECO E08 Catalan: closed, Zagoryansky variation] 3301d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 c6 Rd1 b6 3302a4 3303[ECO E08 Catalan: closed, 7.Qc2] 3304d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Qc2 3305[ECO E07 Catalan: closed, Botvinnik variation] 3306d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 Nc3 c6 Qd3 3307[ECO E07 Catalan: closed, 6...Nbd7] 3308d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 o-o o-o N8d7 3309[ECO E06 Catalan: closed, 5.Nf3] 3310d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 3311[ECO E05 Catalan: open, classical line] 3312d4 Nf6 c4 e6 g3 d5 Bg2 dc Nf3 Be7 3313[ECO E04 Catalan: open, 5.Nf3] 3314d4 Nf6 c4 e6 g3 d5 Bg2 dc Nf3 3315[ECO E03 Catalan: open, Alekhine variation] 3316d4 Nf6 c4 e6 g3 d5 Bg2 dc Qa4 N8d7 Qc4 a6 Qc2 3317[ECO E03 Catalan: open, 5.Qa4 Nbd7, 6.Qxc4] 3318d4 Nf6 c4 e6 g3 d5 Bg2 dc Qa4 N8d7 Qc4 3319[ECO E02 Catalan: open, 5.Qa4] 3320d4 Nf6 c4 e6 g3 d5 Bg2 dc Qa4 3321[ECO E01 Catalan: closed] 3322d4 Nf6 c4 e6 g3 d5 Bg2 3323[ECO E00 Catalan opening] 3324d4 Nf6 c4 e6 g3 3325[ECO E00 Neo-Indian attack] 3326d4 Nf6 c4 e6 Bg5 3327[ECO E00 Queen's pawn game] 3328d4 Nf6 c4 e6 3329[ECO E99 King's Indian: orthodox, Aronin-Taimanov, Benk\"o attack] 3330d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o Nc6 d5 Ne7 3331Ne1 Nd7 f3 f5 g4 3332[ECO E99 King's Indian: orthodox, Aronin-Taimanov, main line] 3333d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o Nc6 d5 Ne7 3334Ne1 Nd7 f3 f5 3335[ECO E98 King's Indian: orthodox, Aronin-Taimanov, 9.Ne1] 3336d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o Nc6 d5 Ne7 3337Ne1 3338[ECO E97 King's Indian: orthodox, Aronin-Taimanov, bayonet attack] 3339d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o Nc6 d5 Ne7 3340b4 3341[ECO E97 King's Indian: orthodox, Aronin-Taimanov variation] 3342d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o Nc6 3343[ECO E96 King's Indian: orthodox, 7...Nbd7, main line] 3344d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o N8d7 Re1 c6 3345Bf1 a5 3346[ECO E95 King's Indian: orthodox, 7...Nbd7, 8.Re1] 3347d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o N8d7 Re1 3348[ECO E94 King's Indian: orthodox, 7...Nbd7] 3349d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o N8d7 3350[ECO E94 King's Indian: orthodox, Donner variation] 3351d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o c6 3352[ECO E94 King's Indian: orthodox variation] 3353d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 o-o 3354[ECO E93 King's Indian: Petrosian system, Keres variation] 3355d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 d5 N8d7 Bg5 h6 3356Bh4 g5 Bg3 Nh5 h4 3357[ECO E93 King's Indian: Petrosian system, main line] 3358d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 d5 N8d7 3359[ECO E92 King's Indian: Petrosian system, Stein variation] 3360d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 d5 a5 3361[ECO E92 King's Indian: Petrosian system] 3362d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 d5 3363[ECO E92 King's Indian: Gligori\'c-Taimanov system] 3364d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 Be3 3365[ECO E92 King's Indian: Andersson variation] 3366d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 de 3367[ECO E92 King's Indian: classical variation] 3368d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 e5 3369[ECO E91 King's Indian: Kazakh variation] 3370d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 Na6 3371[ECO E91 King's Indian: 6.Be2] 3372d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be2 3373[ECO E90 King's Indian: Zinnowitz variation] 3374d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Bg5 3375[ECO E90 King's Indian: Larsen variation] 3376d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 o-o Be3 3377[ECO E90 King's Indian: 5.Nf3] 3378d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 3379[ECO E89 King's Indian: S\"amisch, orthodox main line] 3380d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 d5 c6 N1e2 cd 3381[ECO E88 King's Indian: S\"amisch, orthodox, 7.d5 c6] 3382d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 d5 c6 3383[ECO E87 King's Indian: S\"amisch, orthodox, Bronstein variation] 3384d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 d5 Nh5 Qd2 Qh4 3385g3 Ng3 Qf2 Nf1 Qh4 Ne3 Ke2 Nc4 3386[ECO E87 King's Indian: S\"amisch, orthodox, 7.d5] 3387d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 d5 3388[ECO E86 King's Indian: S\"amisch, orthodox, 7.Nge2 c6] 3389d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 N1e2 c6 3390[ECO E85 King's Indian: S\"amisch, orthodox variation] 3391d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 e5 3392[ECO E84 King's Indian: S\"amisch, Panno main line] 3393d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 Nc6 N1e2 a6 Qd2 Rb8 3394[ECO E83 King's Indian: S\"amisch, Panno formation] 3395d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 Nc6 N1e2 a6 3396[ECO E83 King's Indian: S\"amisch, Ruban variation] 3397d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 Nc6 N1e2 Rb8 3398[ECO E83 King's Indian: S\"amisch, 6...Nc6] 3399d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 Nc6 3400[ECO E82 King's Indian: S\"amisch, double fianchetto variation] 3401d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 b6 3402[ECO E81 King's Indian: S\"amisch, Byrne variation] 3403d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o Be3 c6 Bd3 a6 3404[ECO E81 King's Indian: S\"amisch, 5...O-O] 3405d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 o-o 3406[ECO E80 King's Indian: S\"amisch variation] 3407d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 3408[ECO E79 King's Indian: Four pawns attack, main line] 3409d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 c5 Nf3 cd Nd4 Nc6 3410Be3 3411[ECO E78 King's Indian: Four pawns attack, with Be2 and Nf3] 3412d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 c5 Nf3 3413[ECO E77 King's Indian: Four pawns attack, Florentine gambit] 3414d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 c5 d5 e6 Nf3 ed 3415e5 3416[ECO E77 King's Indian: Four pawns attack] 3417d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 c5 d5 e6 Nf3 3418[ECO E77 King's Indian: Six pawns attack] 3419d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 c5 d5 e6 de fe 3420g4 Nc6 h4 3421[ECO E77 King's Indian: Four pawns attack, 6.Be2] 3422d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Be2 3423[ECO E76 King's Indian: Four pawns attack, dynamic line] 3424d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 o-o Nf3 c5 d5 3425[ECO E76 King's Indian: Four pawns attack] 3426d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 3427[ECO E75 King's Indian: Averbakh, main line] 3428d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 o-o Bg5 c5 d5 e6 3429[ECO E74 King's Indian: Averbakh, 6...c5] 3430d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 o-o Bg5 c5 3431[ECO E73 King's Indian: Averbakh system] 3432d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 o-o Bg5 3433[ECO E73 King's Indian: Semi-Averbakh system] 3434d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 o-o Be3 3435[ECO E73 King's Indian: 5.Be2] 3436d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 3437[ECO E72 King's Indian: Pomar system] 3438d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 o-o Bg2 e5 N1e2 3439[ECO E72 King's Indian with e4 & g3] 3440d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 3441[ECO E71 King's Indian: Makagonov system ] 3442d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 3443[ECO E70 King's Indian: accelerated Averbakh system] 3444d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5 3445[ECO E70 King's Indian: Kramer system] 3446d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 N1e2 3447[ECO E70 King's Indian: 4.e4] 3448d4 Nf6 c4 g6 Nc3 Bg7 e4 3449[ECO E69 King's Indian: fianchetto, classical main line] 3450d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 N8d7 o-o e5 e4 c6 3451h3 3452[ECO E68 King's Indian: fianchetto, classical variation, 8.e4] 3453d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 N8d7 o-o e5 e4 3454[ECO E67 King's Indian: fianchetto, classical variation] 3455d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 N8d7 o-o e5 3456[ECO E67 King's Indian: fianchetto with ...Nd7] 3457d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 N8d7 3458[ECO E66 King's Indian: fianchetto, Yugoslav Panno] 3459d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 c5 o-o Nc6 d5 3460[ECO E65 King's Indian: fianchetto, Yugoslav, 7.O-O] 3461d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 c5 o-o 3462[ECO E64 King's Indian: fianchetto, Yugoslav system] 3463d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 c5 3464[ECO E63 King's Indian: fianchetto, Panno variation] 3465d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 Nc6 o-o a6 3466[ECO E62 King's Indian: fianchetto, Simagin variation] 3467d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 Nc6 o-o Bg4 3468[ECO E62 King's Indian: fianchetto, lesser Simagin variation] 3469d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 Nc6 o-o Bf5 3470[ECO E62 King's Indian: fianchetto, Uhlmann variation] 3471d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 Nc6 o-o e5 3472[ECO E62 King's Indian: fianchetto with ...Nc6] 3473d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 Nc6 3474[ECO E62 King's Indian: fianchetto, Kavalek variation] 3475d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 c6 o-o Qa5 3476[ECO E62 King's Indian: fianchetto, Larsen system] 3477d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 o-o Bg2 c6 o-o Bf5 3478[ECO E62 King's Indian: fianchetto variation] 3479d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 3480[ECO E61 King's Indian: Smyslov system] 3481d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 Bg5 3482[ECO E61 King's Indian defence, 3.Nc3] 3483d4 Nf6 c4 g6 Nc3 3484[ECO D99 Gr\"unfeld defence: Smyslov, Yugoslav variation] 3485d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Bg4 Be3 N6d7 3486Qb3 c5 3487[ECO D99 Gr\"unfeld defence: Smyslov, main line] 3488d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Bg4 Be3 N6d7 3489Qb3 3490[ECO D98 Gr\"unfeld: Russian, Keres variation] 3491d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Bg4 Be3 N6d7 3492Be2 Nb6 Qd3 Nc6 o-o-o 3493[ECO D98 Gr\"unfeld: Russian, Smyslov variation] 3494d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Bg4 3495[ECO D97 Gr\"unfeld: Russian, Prins variation] 3496d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Na6 3497[ECO D97 Gr\"unfeld: Russian, Byrne variation] 3498d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 Nc6 3499[ECO D97 Gr\"unfeld: Russian, Levenfish variation] 3500d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 b6 3501[ECO D97 Gr\"unfeld: Russian, Szabo variation] 3502d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 c6 3503[ECO D97 Gr\"unfeld: Russian, Alekhine variation] 3504d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 a6 3505[ECO D97 Gr\"unfeld: Russian variation with e4] 3506d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dc Qc4 o-o e4 3507[ECO D96 Gr\"unfeld: Russian variation] 3508d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 3509[ECO D95 Gr\"unfeld: Botvinnik variation] 3510d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Qb3 e6 3511[ECO D95 Gr\"unfeld: Pachman variation] 3512d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Qb3 dc Bc4 N8d7 Ng5 3513[ECO D95 Gr\"unfeld with e3 & Qb3] 3514d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Qb3 3515[ECO D94 Gr\"unfeld: Flohr defence] 3516d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Bd3 c6 o-o Bf5 3517[ECO D94 Gr\"unfeld: Smyslov defence] 3518d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Bd3 c6 o-o Bg4 3519[ECO D94 Gr\"unfeld with e3 & Bd3] 3520d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Bd3 3521[ECO D94 Gr\"unfeld: Opo\v censky variation] 3522d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o Bd2 3523[ECO D94 Gr\"unfeld: Makogonov variation] 3524d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 o-o b4 3525[ECO D94 Gr\"unfeld: 5.e3] 3526d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 3527[ECO D93 Gr\"unfeld with Bf4 & e3] 3528d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 o-o e3 3529[ECO D92 Gr\"unfeld: 5.Bf4] 3530d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 3531[ECO D91 Gr\"unfeld: 5.Bg5] 3532d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 3533[ECO D90 Gr\"unfeld: Flohr variation] 3534d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qa4 3535[ECO D90 Gr\"unfeld: Three knights variation] 3536d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 3537[ECO D90 Gr\"unfeld: Schlechter variation] 3538d4 Nf6 c4 g6 Nc3 d5 Nf3 c6 3539[ECO D90 Gr\"unfeld: Three knights variation] 3540d4 Nf6 c4 g6 Nc3 d5 Nf3 3541[ECO D89 Gr\"unfeld: exchange, Sokolsky variation] 3542d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 c5 3543o-o Nc6 Be3 cd cd Bg4 f3 Na5 Bd3 Be6 d5 3544[ECO D89 Gr\"unfeld: Spassky variation, main line, 13.Bd3] 3545d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 c5 3546o-o Nc6 Be3 cd cd Bg4 f3 Na5 Bd3 Be6 3547[ECO D88 Gr\"unfeld: Spassky variation, main line, 10...cd, 11.cd] 3548d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 c5 3549o-o Nc6 Be3 cd cd 3550[ECO D87 Gr\"unfeld: exchange, Seville variation] 3551d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 c5 3552o-o Nc6 Be3 Bg4 f3 Na5 Bf7 3553[ECO D87 Gr\"unfeld: exchange, Spassky variation] 3554d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 c5 3555[ECO D86 Gr\"unfeld: exchange, Simagin's improved variation] 3556d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 Nc6 3557[ECO D86 Gr\"unfeld: exchange, Simagin's lesser variation] 3558d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 b6 3559[ECO D86 Gr\"unfeld: exchange, Larsen variation] 3560d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 o-o Ne2 Qd7 3561o-o b6 3562[ECO D86 Gr\"unfeld: exchange, classical variation] 3563d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Bc4 3564[ECO D85 Gr\"unfeld: modern exchange variation] 3565d4 Nf6 c4 g6 Nc3 d5 cd Nd5 e4 Nc3 bc Bg7 Nf3 3566[ECO D85 Gr\"unfeld: exchange variation] 3567d4 Nf6 c4 g6 Nc3 d5 cd Nd5 3568[ECO D84 Gr\"unfeld: Gr\"unfeld gambit accepted] 3569d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 o-o cd Nd5 Nd5 Qd5 Bc7 3570[ECO D83 Gr\"unfeld: Gr\"unfeld gambit, Botvinnik variation] 3571d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 o-o Rc1 c5 dc Be6 3572[ECO D83 Gr\"unfeld: Gr\"unfeld gambit, Capablanca variation] 3573d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 o-o Rc1 3574[ECO D83 Gr\"unfeld: Gr\"unfeld gambit] 3575d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 o-o 3576[ECO D82 Gr\"unfeld: 4.Bf4] 3577d4 Nf6 c4 g6 Nc3 d5 Bf4 3578[ECO D81 Gr\"unfeld: Russian variation] 3579d4 Nf6 c4 g6 Nc3 d5 Qb3 3580[ECO D80 Gr\"unfeld: Lundin variation] 3581d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Ne4 de Qd2 c5 3582[ECO D80 Gr\"unfeld: Stockholm variation] 3583d4 Nf6 c4 g6 Nc3 d5 Bg5 3584[ECO D80 Gr\"unfeld: Spike gambit] 3585d4 Nf6 c4 g6 Nc3 d5 g4 3586[ECO D80 Gr\"unfeld defence] 3587d4 Nf6 c4 g6 Nc3 d5 3588[ECO D79 Neo-Gr\"unfeld, 6.O-O, main line] 3589d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o o-o c6 cd cd 3590[ECO D78 Neo-Gr\"unfeld, 6.O-O c6] 3591d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o o-o c6 3592[ECO D77 Neo-Gr\"unfeld, 6.O-O] 3593d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o o-o 3594[ECO D76 Neo-Gr\"unfeld, 6.cd Nxd5, 7.O-O Nb6] 3595d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o cd Nd5 o-o Nb6 3596[ECO D75 Neo-Gr\"unfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3] 3597d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o cd Nd5 o-o c5 Nc3 3598[ECO D75 Neo-Gr\"unfeld, 6.cd Nxd5, 7.O-O c5, 8.dc] 3599d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o cd Nd5 o-o c5 dc 3600[ECO D74 Neo-Gr\"unfeld, 6.cd Nxd5, 7.O-O] 3601d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 o-o cd Nd5 o-o 3602[ECO D73 Neo-Gr\"unfeld, 5.Nf3] 3603d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 3604[ECO D72 Neo-Gr\"unfeld, 5.cd, main line] 3605d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cd Nd5 e4 Nb6 Ne2 3606[ECO D71 Neo-Gr\"unfeld, 5.cd] 3607d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cd Nd5 3608[ECO D70 Neo-Gr\"unfeld defence] 3609d4 Nf6 c4 g6 g3 d5 3610[ECO E60 King's Indian: 3.g3, counterthrust variation] 3611d4 Nf6 c4 g6 g3 Bg7 Bg2 d5 3612[ECO E60 King's Indian: 3.g3] 3613d4 Nf6 c4 g6 g3 3614[ECO D70 Neo-Gr\"unfeld defence] 3615d4 Nf6 c4 g6 Nf3 d5 3616[ECO E60 King's Indian, 3.Nf3] 3617d4 Nf6 c4 g6 Nf3 3618[ECO E60 Queen's pawn: Mengarini attack] 3619d4 Nf6 c4 g6 Qc2 3620[ECO E60 King's Indian: Danube gambit] 3621d4 Nf6 c4 g6 d5 b5 3622[ECO E60 King's Indian: Anti-Gr\"unfeld] 3623d4 Nf6 c4 g6 d5 3624[ECO D70 Neo-Gr\"unfeld defence] 3625d4 Nf6 c4 g6 f3 d5 3626[ECO E60 King's Indian defence] 3627d4 Nf6 c4 g6 3628[ECO A79 Benoni: classical, 11.f3] 3629d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3630o-o Re8 Nd2 Na6 f3 3631[ECO A78 Benoni: classical with ...Re8 and ...Na6] 3632d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3633o-o Re8 Nd2 Na6 3634[ECO A77 Benoni: classical, 9...Re8, 10.Nd2] 3635d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3636o-o Re8 Nd2 3637[ECO A76 Benoni: classical, 9...Re8] 3638d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3639o-o Re8 3640[ECO A75 Benoni: classical with ...a6 and 10...Bg4] 3641d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3642o-o a6 a4 Bg4 3643[ECO A74 Benoni: classical, 9...a6, 10.a4] 3644d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3645o-o a6 a4 3646[ECO A73 Benoni: classical, 9.O-O] 3647d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3648o-o 3649[ECO A72 Benoni: classical without 9.O-O] 3650d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 o-o 3651[ECO A70 Benoni: classical without 9.O-O] 3652d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Be2 3653[ECO A71 Benoni: classical, 8.Bg5] 3654d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 Bg7 Bg5 3655[ECO A70 Benoni: classical with e4 and Nf3] 3656d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 Nf3 3657[ECO A67 Benoni: Taimanov variation] 3658d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 f4 Bg7 Bb5 3659[ECO A66 Benoni: Mikenas variation] 3660d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 f4 Bg7 e5 3661[ECO A69 Benoni: four pawns attack, main line] 3662d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 f4 Bg7 Nf3 o-o 3663Be2 Re8 3664[ECO A68 Benoni: four pawns attack] 3665d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 f4 Bg7 Nf3 o-o 3666[ECO A66 Benoni: pawn storm variation] 3667d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 g6 f4 3668[ECO A65 Benoni: 6.e4] 3669d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 e4 3670[ECO A64 Benoni: fianchetto, 11...Re8] 3671d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 g3 Bg7 Bg2 o-o 3672o-o N8d7 Nd2 a6 a4 Re8 3673[ECO A63 Benoni: fianchetto, 9...Nbd7] 3674d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 g3 Bg7 Bg2 o-o 3675o-o N8d7 3676[ECO A62 Benoni: fianchetto variation] 3677d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 g3 Bg7 Bg2 o-o 3678[ECO A61 Benoni: fianchetto variation] 3679d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 g3 3680[ECO A61 Benoni: Nimzovich variation] 3681d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 Nd2 3682[ECO A61 Benoni: Uhlmann variation] 3683d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 Bg5 3684[ECO A61 Benoni defence] 3685d4 Nf6 c4 c5 d5 e6 Nc3 ed cd d6 Nf3 g6 3686[ECO A60 Benoni defence] 3687d4 Nf6 c4 c5 d5 e6 3688[ECO A59 Benk\"o gambit: main line] 3689d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 e4 Bf1 Kf1 g6 3690g3 Bg7 Kg2 o-o Nf3 3691[ECO A59 Benk\"o gambit] 3692d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 e4 Bf1 Kf1 g6 3693g3 3694[ECO A59 Benk\"o gambit: Ne2 variation] 3695d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 e4 Bf1 Kf1 g6 3696N1e2 3697[ECO A59 Benk\"o gambit: 7.e4] 3698d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 e4 3699[ECO A58 Benk\"o gambit: fianchetto variation] 3700d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 Nf3 g6 g3 3701[ECO A58 Benk\"o gambit: Nd2 variation] 3702d4 Nf6 c4 c5 d5 b5 cb a6 ba Ba6 Nc3 d6 Nf3 g6 Nd2 3703[ECO A58 Benk\"o gambit accepted] 3704d4 Nf6 c4 c5 d5 b5 cb a6 ba 3705[ECO A57 Benk\"o gambit: Nescaf\'e Frapp\'e attack] 3706d4 Nf6 c4 c5 d5 b5 cb a6 Nc3 ab e4 b4 Nb5 d6 Bc4 3707[ECO A57 Benk\"o gambit: Zaitsev system] 3708d4 Nf6 c4 c5 d5 b5 cb a6 Nc3 3709[ECO A57 Benk\"o gambit half accepted] 3710d4 Nf6 c4 c5 d5 b5 cb a6 3711[ECO A57 Benk\"o gambit] 3712d4 Nf6 c4 c5 d5 b5 3713[ECO A56 Czech Benoni: King's Indian system] 3714d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 g6 3715[ECO A56 Czech Benoni defence] 3716d4 Nf6 c4 c5 d5 e5 3717[ECO A56 Vulture defence] 3718d4 Nf6 c4 c5 d5 Ne4 3719[ECO A56 Benoni defence, Hromodka system] 3720d4 Nf6 c4 c5 d5 d6 3721[ECO A56 Benoni defence] 3722d4 Nf6 c4 c5 3723[ECO A55 Old Indian: main line] 3724d4 Nf6 c4 d6 Nc3 e5 Nf3 N8d7 e4 3725[ECO A54 Old Indian: Ukrainian variation, 4.Nf3] 3726d4 Nf6 c4 d6 Nc3 e5 Nf3 3727[ECO A54 Old Indian: Dus-Khotimirsky variation] 3728d4 Nf6 c4 d6 Nc3 e5 e3 N8d7 Bd3 3729[ECO A54 Old Indian: Ukrainian variation] 3730d4 Nf6 c4 d6 Nc3 e5 3731[ECO A53 Old Indian: Janowski variation] 3732d4 Nf6 c4 d6 Nc3 Bf5 3733[ECO A53 Old Indian defence] 3734d4 Nf6 c4 d6 3735[ECO A52 Budapest: Alekhine variation, Balogh gambit] 3736d4 Nf6 c4 e5 de Ng4 e4 d6 3737[ECO A52 Budapest: Alekhine, Abonyi variation] 3738d4 Nf6 c4 e5 de Ng4 e4 Ne5 f4 N5c6 3739[ECO A52 Budapest: Alekhine variation] 3740d4 Nf6 c4 e5 de Ng4 e4 3741[ECO A52 Budapest: Rubinstein variation] 3742d4 Nf6 c4 e5 de Ng4 Bf4 3743[ECO A52 Budapest: Adler variation] 3744d4 Nf6 c4 e5 de Ng4 Nf3 3745[ECO A52 Budapest defence] 3746d4 Nf6 c4 e5 de Ng4 3747[ECO A51 Budapest: Fajarowicz, Steiner variation] 3748d4 Nf6 c4 e5 de Ne4 Qc2 3749[ECO A51 Budapest: Fajarowicz variation] 3750d4 Nf6 c4 e5 de Ne4 3751[ECO A51 Budapest defence declined] 3752d4 Nf6 c4 e5 3753[ECO A50 Queen's Indian accelerated] 3754d4 Nf6 c4 b6 3755[ECO A?? Kevitz-Trajkovich defence] 3756d4 Nf6 c4 Nc6 3757[ECO A?? Queen's pawn game] 3758d4 Nf6 c4 3759[ECO A49 King's Indian: fianchetto without c4] 3760d4 Nf6 Nf3 g6 g3 3761[ECO A48 King's Indian: London system] 3762d4 Nf6 Nf3 g6 Bf4 3763[ECO A48 King's Indian: Torre attack] 3764d4 Nf6 Nf3 g6 Bg5 3765[ECO A48 King's Indian: East Indian defence] 3766d4 Nf6 Nf3 g6 3767[ECO A47 Queen's Indian: Marienbad system, Berg variation] 3768d4 Nf6 Nf3 b6 g3 Bb7 Bg2 c5 c4 cd Qd4 3769[ECO A47 Queen's Indian: Marienbad system] 3770d4 Nf6 Nf3 b6 g3 Bb7 Bg2 c5 3771[ECO A47 Queen's Indian defence] 3772d4 Nf6 Nf3 b6 3773[ECO A46 D\"ory defence] 3774d4 Nf6 Nf3 Ne4 3775[ECO A46 Queen's pawn: Yusupov-Rubinstein system] 3776d4 Nf6 Nf3 e6 e3 3777[ECO A46 Queen's pawn: Torre attack, Wagner gambit] 3778d4 Nf6 Nf3 e6 Bg5 c5 e4 3779[ECO A46 Queen's pawn: Torre attack] 3780d4 Nf6 Nf3 e6 Bg5 3781[ECO A46 Queen's pawn game] 3782d4 Nf6 Nf3 3783[ECO A45 Trompovsky attack ] 3784d4 Nf6 Bg5 3785[ECO A45 Gedult attack] 3786d4 Nf6 f3 d5 g4 3787[ECO A45 Blackmar-Diemer gambit] 3788d4 Nf6 f3 d5 e4 3789[ECO A45 Paleface attack] 3790d4 Nf6 f3 3791[ECO A45 Canard opening] 3792d4 Nf6 f4 3793[ECO A45 Queen's pawn: Bronstein gambit] 3794d4 Nf6 g4 3795[ECO A45 Queen's pawn game] 3796d4 Nf6 3797[ECO A99 Dutch: Ilyin-Genevsky variation with b3] 3798d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d6 Nc3 Qe8 b3 3799[ECO A98 Dutch: Ilyin-Genevsky variation with Qc2] 3800d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d6 Nc3 Qe8 Qc2 3801[ECO A97 Dutch: Ilyin-Genevsky, Winter variation] 3802d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d6 Nc3 Qe8 Re1 3803[ECO A97 Dutch: Ilyin-Genevsky variation] 3804d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d6 Nc3 Qe8 3805[ECO A96 Dutch: classical variation] 3806d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d6 3807[ECO A95 Dutch: stonewall: Chekhover variation] 3808d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 Nc3 c6 Qc2 Qe8 3809Bg5 3810[ECO A95 Dutch: stonewall with Nc3] 3811d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 Nc3 c6 3812[ECO A92 Dutch: stonewall with Nc3] 3813d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 Nc3 3814[ECO A94 Dutch: stonewall with Ba3] 3815d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 b3 c6 Ba3 3816[ECO A93 Dutch: stonewall, Botwinnik variation] 3817d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 b3 3818[ECO A92 Dutch: stonewall variation] 3819d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o d5 3820[ECO A92 Dutch defence, Alekhine variation] 3821d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o o-o Ne4 3822[ECO A92 Dutch defence] 3823d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 o-o 3824[ECO A91 Dutch defence] 3825d4 f5 c4 Nf6 g3 e6 Bg2 Be7 3826[ECO A90 Dutch-Indian, Alekhine variation] 3827d4 f5 c4 Nf6 g3 e6 Bg2 Bb4 Bd2 Be7 3828[ECO A90 Dutch defence: Dutch-Indian variation] 3829d4 f5 c4 Nf6 g3 e6 Bg2 Bb4 3830[ECO A90 Dutch defence] 3831d4 f5 c4 Nf6 g3 e6 Bg2 3832[ECO A89 Dutch: Leningrad, main variation with Nc6] 3833d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 o-o o-o d6 Nc3 Nc6 3834[ECO A88 Dutch: Leningrad, main variation with c6] 3835d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 o-o o-o d6 Nc3 c6 3836[ECO A87 Dutch: Leningrad, main variation] 3837d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 3838[ECO A86 Dutch: Leningrad variation] 3839d4 f5 c4 Nf6 g3 g6 3840[ECO A86 Dutch: Hort-Antoshin system] 3841d4 f5 c4 Nf6 g3 d6 Bg2 c6 Nc3 Qc7 3842[ECO A86 Dutch with c4 & g3] 3843d4 f5 c4 Nf6 g3 3844[ECO A85 Dutch with c4 & Nc3] 3845d4 f5 c4 Nf6 Nc3 3846[ECO A84 Dutch defence] 3847d4 f5 c4 Nf6 3848[ECO A84 Dutch: Staunton gambit deferred] 3849d4 f5 c4 e6 e4 3850[ECO A84 Dutch defence, Rubinstein variation] 3851d4 f5 c4 e6 Nc3 3852[ECO A84 Dutch defence] 3853d4 f5 c4 e6 3854[ECO A84 Dutch defence: Bladel variation] 3855d4 f5 c4 g6 Nc3 Nh6 3856[ECO A84 Dutch defence] 3857d4 f5 c4 3858[ECO A83 Dutch: Staunton gambit, Nimzovich variation] 3859d4 f5 e4 fe Nc3 Nf6 Bg5 b6 3860[ECO A83 Dutch: Staunton gambit, Chigorin variation] 3861d4 f5 e4 fe Nc3 Nf6 Bg5 c6 3862[ECO A83 Dutch: Staunton gambit, Lasker variation] 3863d4 f5 e4 fe Nc3 Nf6 Bg5 g6 f3 3864[ECO A83 Dutch: Staunton gambit, Alekhine variation] 3865d4 f5 e4 fe Nc3 Nf6 Bg5 g6 h4 3866[ECO A83 Dutch: Staunton gambit, Staunton's line] 3867d4 f5 e4 fe Nc3 Nf6 Bg5 3868[ECO A82 Dutch: Staunton gambit, Tartakower variation] 3869d4 f5 e4 fe Nc3 Nf6 g4 3870[ECO A82 Dutch: Staunton gambit] 3871d4 f5 e4 fe 3872[ECO A82 Dutch: Balogh defence] 3873d4 f5 e4 d6 3874[ECO A82 Dutch: Staunton gambit] 3875d4 f5 e4 3876[ECO A81 Dutch: Leningrad, Karlsbad variation] 3877d4 f5 g3 g6 Bg2 Bg7 Nh3 3878[ECO A81 Dutch: Leningrad, Basman system] 3879d4 f5 g3 g6 Bg2 Bg7 Nf3 c6 o-o Nh6 3880[ECO A81 Dutch defence] 3881d4 f5 g3 Nf6 Bg2 g6 3882[ECO A81 Dutch defence, Blackburne variation] 3883d4 f5 g3 Nf6 Bg2 e6 Nh3 3884[ECO A81 Dutch defence] 3885d4 f5 g3 3886[ECO A80 Dutch, 2.Bg5 variation] 3887d4 f5 Bg5 3888[ECO A80 Dutch, Krejcik gambit] 3889d4 f5 g4 3890[ECO A80 Dutch, Korchnoi attack] 3891d4 f5 h3 3892[ECO A80 Dutch, Von Pretzel gambit] 3893d4 f5 Qd3 e6 g4 3894[ECO A80 Dutch, Manhattan variation] 3895d4 f5 Qd3 3896[ECO A80 Dutch, Spielmann gambit] 3897d4 f5 Nc3 Nf6 g4 3898[ECO A80 Dutch] 3899d4 f5 3900[ECO A44 Semi-Benoni ] 3901d4 c5 d5 e5 e4 d6 3902[ECO A44 Old Benoni defence] 3903d4 c5 d5 e5 3904[ECO A43 Old Benoni: Schmid's system] 3905d4 c5 d5 d6 Nc3 g6 3906[ECO A43 Old Benoni defence] 3907d4 c5 d5 d6 3908[ECO A43 Hawk defence] 3909d4 c5 d5 Nf6 Nf3 c4 3910[ECO A43 Old Benoni defence] 3911d4 c5 d5 Nf6 Nf3 3912[ECO A43 Woozle defence] 3913d4 c5 d5 Nf6 Nc3 Qa5 3914[ECO A43 Old Benoni defence] 3915d4 c5 d5 Nf6 3916[ECO A43 Old Benoni: Mujannah formation] 3917d4 c5 d5 f5 3918[ECO A43 Old Benoni: Franco-Benoni defence] 3919d4 c5 d5 e6 e4 3920[ECO A43 Old Benoni defence] 3921d4 c5 3922[ECO A42 Modern defence: Averbakh system, Kotov variation] 3923d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 3924[ECO A42 Modern defence: Averbakh system, Randspringer variation] 3925d4 d6 c4 g6 Nc3 Bg7 e4 f5 3926[ECO A42 Pterodactyl defence] 3927d4 d6 c4 g6 Nc3 Bg7 e4 c5 Nf3 Qa5 3928[ECO A42 Modern defence: Averbakh system] 3929d4 d6 c4 g6 Nc3 Bg7 e4 3930[ECO A41 Modern defence] 3931d4 d6 c4 g6 Nc3 Bg7 3932[ECO A41 Old Indian defence] 3933d4 d6 c4 3934[ECO A41 Old Indian: Tartakower variation] 3935d4 d6 Nf3 Bg4 3936[ECO A41 Queen's Pawn] 3937d4 d6 3938[ECO A40 Beefeater defence] 3939d4 g6 c4 Bg7 Nc3 c5 d5 Bc3 bc f5 3940[ECO A40 Modern defence] 3941d4 g6 3942[ECO A40 Queen's pawn: Franco-Indian defence] 3943d4 e6 c4 Bb4 3944[ECO A40 Queen's pawn: Keres defence] 3945d4 e6 c4 b6 3946[ECO A40 Queen's pawn] 3947d4 e6 3948[ECO A40 Polish defence] 3949d4 b5 3950[ECO A40 Queen's pawn: English defence] 3951d4 b6 3952[ECO A40 Queen's pawn: Englund gambit] 3953d4 e5 de Nc6 Nf3 Qe7 Qd5 f6 ef Nf6 3954[ECO A40 Queen's pawn: Charlick gambit] 3955d4 e5 3956[ECO A40 Queen's pawn: Lundin defence] 3957d4 Nc6 3958[ECO A40 Queen's pawn] 3959d4 3960[ECO A39 English: symmetrical, main line with d4] 3961c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 o-o o-o d4 3962[ECO A38 English: symmetrical, main line with d3] 3963c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 o-o o-o d3 3964[ECO A38 English: symmetrical, main line with b3] 3965c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 o-o o-o b3 3966[ECO A38 English: symmetrical variation] 3967c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 3968[ECO A37 English: symmetrical, Botvinnik system reversed] 3969c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 3970[ECO A37 English: symmetrical variation] 3971c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 3972[ECO A36 English: symmetrical, Botvinnik system] 3973c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 3974[ECO A36 English: symmetrical, Botvinnik system reversed] 3975c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e5 3976[ECO A36 English: ultra-symmetrical variation] 3977c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 3978[ECO A36 English: symmetrical variation] 3979c4 c5 Nc3 Nc6 g3 3980[ECO A35 English: symmetrical, four knights system] 3981c4 c5 Nc3 Nc6 Nf3 Nf6 3982[ECO A35 English: symmetrical variation] 3983c4 c5 Nc3 Nc6 3984[ECO A34 English: symmetrical, Rubinstein system] 3985c4 c5 Nc3 Nf6 g3 d5 cd Nd5 Bg2 Nc7 3986[ECO A34 English: symmetrical variation] 3987c4 c5 Nc3 Nf6 g3 3988[ECO A34 English: symmetrical, three knights system] 3989c4 c5 Nc3 Nf6 Nf3 d5 cd Nd5 3990[ECO A34 English: symmetrical variation] 3991c4 c5 Nc3 3992[ECO A33 English: symmetrical, Geller variation] 3993c4 c5 Nf3 Nf6 d4 cd Nd4 e6 Nc3 Nc6 g3 Qb6 3994[ECO A33 English: symmetrical variation] 3995c4 c5 Nf3 Nf6 d4 cd Nd4 e6 Nc3 Nc6 3996[ECO A32 English: symmetrical variation] 3997c4 c5 Nf3 Nf6 d4 cd Nd4 e6 3998[ECO A31 English: symmetrical, Benoni formation] 3999c4 c5 Nf3 Nf6 d4 4000[ECO A30 English: symmetrical, hedgehog, flexible formation] 4001c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 o-o e6 Nc3 Be7 d4 cd Qd4 d6 4002Rd1 a6 b3 N8d7 4003[ECO A30 English: symmetrical, hedgehog system] 4004c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 o-o e6 Nc3 Be7 4005[ECO A30 English: symmetrical variation] 4006c4 c5 4007[ECO A29 English: four knights, kingside fianchetto] 4008c4 e5 Nc3 Nc6 Nf3 Nf6 g3 4009[ECO A28 English: four knights, Romanishin variation] 4010c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 Bc3 4011[ECO A28 English: four knights, Stean variation] 4012c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 o-o Nd5 Re8 Qf5 4013[ECO A28 English: four knights, 4.e3] 4014c4 e5 Nc3 Nc6 Nf3 Nf6 e3 4015[ECO A28 English: four knights, Capablanca variation] 4016c4 e5 Nc3 Nc6 Nf3 Nf6 d3 4017[ECO A28 English: four knights, Marini variation] 4018c4 e5 Nc3 Nc6 Nf3 Nf6 a3 4019[ECO A28 English: four knights, Nimzovich variation] 4020c4 e5 Nc3 Nc6 Nf3 Nf6 e4 4021[ECO A28 English: Bradley Beach variation] 4022c4 e5 Nc3 Nc6 Nf3 Nf6 d4 e4 4023[ECO A28 English: Nenarokov variation] 4024c4 e5 Nc3 Nc6 Nf3 Nf6 d4 ed Nd4 Bb4 Bg5 h6 Bh4 Bc3 bc Ne5 4025[ECO A28 English: four knights system] 4026c4 e5 Nc3 Nc6 Nf3 Nf6 4027[ECO A27 English: three knights system] 4028c4 e5 Nc3 Nc6 Nf3 4029[ECO A26 English: Botvinnik system] 4030c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 4031[ECO A26 English: closed system] 4032c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 4033[ECO A25 English: closed system ] 4034c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 4035[ECO A25 English: closed, 5.Rb1 Taimanov variation] 4036c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 Nh6 4037[ECO A25 English: closed, 5.Rb1] 4038c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 4039[ECO A25 English: closed, Hort variation] 4040c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 N1e2 Be6 4041[ECO A25 English: closed, Taimanov variation] 4042c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 N1e2 Nh6 4043[ECO A25 English: closed system] 4044c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 4045[ECO A25 English: Sicilian reversed] 4046c4 e5 Nc3 Nc6 4047[ECO A24 English: Bremen system with ...g6] 4048c4 e5 Nc3 Nf6 g3 g6 4049[ECO A23 English: Bremen system, Keres variation] 4050c4 e5 Nc3 Nf6 g3 c6 4051[ECO A22 English: Bremen, Smyslov system] 4052c4 e5 Nc3 Nf6 g3 Bb4 4053[ECO A22 English: Bremen, reverse dragon] 4054c4 e5 Nc3 Nf6 g3 d5 4055[ECO A22 English: Carls' Bremen system] 4056c4 e5 Nc3 Nf6 g3 4057[ECO A22 English: Bellon gambit] 4058c4 e5 Nc3 Nf6 Nf3 e4 Ng5 b5 4059[ECO A22 English opening] 4060c4 e5 Nc3 Nf6 4061[ECO A21 English, Kramnik-Shirov counterattack] 4062c4 e5 Nc3 Bb4 4063[ECO A21 English, Smyslov defence] 4064c4 e5 Nc3 d6 Nf3 Bg4 4065[ECO A21 English opening] 4066c4 e5 Nc3 d6 Nf3 4067[ECO A21 English, Keres variation] 4068c4 e5 Nc3 d6 g3 c6 4069[ECO A21 English, Tr\"oger defence] 4070c4 e5 Nc3 d6 g3 Be6 Bg2 Nc6 4071[ECO A21 English opening] 4072c4 e5 Nc3 4073[ECO A20 English, Nimzovich, Flohr variation] 4074c4 e5 Nf3 e4 4075[ECO A20 English, Nimzovich variation] 4076c4 e5 Nf3 4077[ECO A20 English opening] 4078c4 e5 4079[ECO A19 English: Mikenas-Carls, Sicilian variation] 4080c4 Nf6 Nc3 e6 e4 c5 4081[ECO A18 English: Mikenas-Carls, Kevitz variation] 4082c4 Nf6 Nc3 e6 e4 Nc6 4083[ECO A18 English: Mikenas-Carls, Flohr variation] 4084c4 Nf6 Nc3 e6 e4 d5 e5 4085[ECO A18 English: Mikenas-Carls variation] 4086c4 Nf6 Nc3 e6 e4 4087[ECO A17 English: Nimzo-English opening] 4088c4 Nf6 Nc3 e6 Nf3 Bb4 4089[ECO A17 English: Queens Indian, Romanishin variation] 4090c4 Nf6 Nc3 e6 Nf3 b6 e4 Bb7 Bd3 4091[ECO A17 English: Queens Indian formation] 4092c4 Nf6 Nc3 e6 Nf3 b6 4093[ECO A17 English opening] 4094c4 Nf6 Nc3 e6 4095[ECO A16 English: Anglo-Gr\"unfeld defense, Korchnoi variation] 4096c4 Nf6 Nc3 d5 cd Nd5 Nf3 g6 g3 Bg7 Bg2 e5 4097[ECO A16 English: Anglo-Gr\"unfeld defense] 4098c4 Nf6 Nc3 d5 cd Nd5 Nf3 4099[ECO A16 English: Anglo-Gr\"unfeld, Czech defense] 4100c4 Nf6 Nc3 d5 cd Nd5 g3 g6 Bg2 Nb6 4101[ECO A16 English: Anglo-Gr\"unfeld, Smyslov defense] 4102c4 Nf6 Nc3 d5 cd Nd5 g3 g6 Bg2 Nc3 4103[ECO A16 English: Anglo-Gr\"unfeld defense] 4104c4 Nf6 Nc3 d5 4105[ECO A16 English opening] 4106c4 Nf6 Nc3 4107[ECO A15 English opening] 4108c4 Nf6 Nf3 4109[ECO A15 English orang-utan] 4110c4 Nf6 b4 4111[ECO A15 English, 1...Nf6 ] 4112c4 Nf6 4113[ECO A14 English: Symmetrical, Keres defence] 4114c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 o-o c5 cd Nd5 Nc3 Nc6 4115[ECO A14 English: Neo-Catalan declined] 4116c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 o-o 4117[ECO A13 English: Neo-Catalan accepted] 4118c4 e6 Nf3 d5 g3 Nf6 Bg2 dc 4119[ECO A13 English: Neo-Catalan] 4120c4 e6 Nf3 d5 g3 Nf6 4121[ECO A13 English: Kurajica defence] 4122c4 e6 Nf3 d5 g3 c6 4123[ECO A13 English opening: Agincourt variation] 4124c4 e6 Nf3 d5 g3 4125[ECO A13 English: Wimpey system] 4126c4 e6 Nf3 d5 b3 Nf6 Bb2 c5 e3 4127[ECO A13 English opening: Agincourt variation] 4128c4 e6 Nf3 d5 4129[ECO A13 English: Romanishin gambit] 4130c4 e6 Nf3 Nf6 g3 a6 Bg2 b5 4131[ECO A13 English opening] 4132c4 e6 4133[ECO A12 English: Caro-Kann defensive system, Bogolyubov variation] 4134c4 c6 Nf3 d5 b3 Bg4 4135[ECO A12 English: Capablanca's variation] 4136c4 c6 Nf3 d5 b3 Nf6 Bb2 Bg4 4137[ECO A12 English: New York defensive system] 4138c4 c6 Nf3 d5 b3 Nf6 Bb2 Bf5 4139[ECO A12 English: Bled variation] 4140c4 c6 Nf3 d5 b3 Nf6 Bb2 g6 4141[ECO A12 English: Caro-Kann defensive system] 4142c4 c6 Nf3 d5 b3 Nf6 Bb2 4143[ECO A12 English: London defensive system] 4144c4 c6 Nf3 d5 b3 Nf6 g3 Bf5 4145[ECO A12 English: Torre defensive system] 4146c4 c6 Nf3 d5 b3 Nf6 g3 Bg4 4147[ECO A12 English: Caro-Kann defensive system] 4148c4 c6 Nf3 d5 b3 4149[ECO A11 English: Caro-Kann defensive system] 4150c4 c6 4151[ECO A10 English: Anglo-Dutch defense] 4152c4 f5 4153[ECO A10 English: Jaenisch gambit] 4154c4 b5 4155[ECO A10 English: Adorjan defence] 4156c4 g6 e4 e5 4157[ECO A10 English opening] 4158c4 g6 4159[ECO A10 English opening] 4160c4 4161[ECO A09 R\'eti accepted: Keres variation] 4162Nf3 d5 c4 dc e3 Be6 4163[ECO A09 R\'eti accepted] 4164Nf3 d5 c4 dc 4165[ECO A09 R\'eti: advance variation] 4166Nf3 d5 c4 d4 4167[ECO A09 R\'eti opening] 4168Nf3 d5 c4 4169[ECO A08 R\'eti: King's Indian attack, French variation] 4170Nf3 d5 g3 c5 Bg2 Nc6 o-o e6 d3 Nf6 N1d2 Be7 e4 o-o Re1 4171[ECO A08 R\'eti: King's Indian attack] 4172Nf3 d5 g3 c5 Bg2 4173[ECO A07 R\'eti: King's Indian attack ] 4174Nf3 d5 g3 c5 4175[ECO A07 R\'eti: King's Indian attack, Pachman system] 4176Nf3 d5 g3 g6 Bg2 Bg7 o-o e5 d3 Ne7 4177[ECO A07 R\'eti: King's Indian attack] 4178Nf3 d5 g3 g6 4179[ECO A07 R\'eti: King's Indian attack, Keres variation] 4180Nf3 d5 g3 Bg4 Bg2 Nd7 4181[ECO A07 R\'eti: King's Indian attack, Yugoslav variation] 4182Nf3 d5 g3 Nf6 Bg2 c6 o-o Bg4 4183[ECO A07 R\'eti: King's Indian attack ] 4184Nf3 d5 g3 4185[ECO A06 R\'eti: Nimzovich-Larsen attack] 4186Nf3 d5 b3 4187[ECO A06 Tennison gambit] 4188Nf3 d5 e4 4189[ECO A06 Santasiere's folly] 4190Nf3 d5 b4 4191[ECO A06 R\'eti: old Indian attack] 4192Nf3 d5 d3 4193[ECO A06 R\'eti opening] 4194Nf3 d5 4195[ECO A05 R\'eti: King's Indian attack, R\'eti-Smyslov variation] 4196Nf3 Nf6 g3 g6 b4 4197[ECO A05 R\'eti: King's Indian attack] 4198Nf3 Nf6 g3 g6 4199[ECO A05 R\'eti: King's Indian attack, Spassky's variation] 4200Nf3 Nf6 g3 b5 4201[ECO A05 R\'eti opening] 4202Nf3 Nf6 4203[ECO A04 R\'eti: Pirc-Lisitsin gambit] 4204Nf3 f5 e4 4205[ECO A04 R\'eti: Lisitsin gambit deferred] 4206Nf3 f5 d3 Nf6 e4 4207[ECO A04 R\'eti v Dutch] 4208Nf3 f5 4209[ECO A04 R\'eti: Wade defence] 4210Nf3 d6 e4 Bg4 4211[ECO A04 R\'eti opening] 4212Nf3 d6 4213[ECO A04 R\'eti: Herrstr\"om gambit] 4214Nf3 g5 4215[ECO A04 R\'eti opening] 4216Nf3 4217[ECO A03 Mujannah opening] 4218f4 d5 c4 4219[ECO A03 Bird's opening: Williams gambit] 4220f4 d5 e4 4221[ECO A03 Bird's opening: Lasker variation] 4222f4 d5 Nf3 Nf6 e3 c5 4223[ECO A03 Bird's opening] 4224f4 d5 4225[ECO A02 Bird: From gambit, Lipke variation] 4226f4 e5 fe d6 ed Bd6 Nf3 Nh6 d4 4227[ECO A02 Bird: From gambit, Lasker variation] 4228f4 e5 fe d6 ed Bd6 Nf3 g5 4229[ECO A02 Bird: From gambit] 4230f4 e5 4231[ECO A02 Bird: Hobbs gambit] 4232f4 g5 4233[ECO A02 Bird's opening, Swiss gambit] 4234f4 f5 e4 fe Nc3 Nf6 g4 4235[ECO A02 Bird's opening] 4236f4 4237[ECO A01 Nimzovich-Larsen attack: modern variation] 4238b3 e5 4239[ECO A01 Nimzovich-Larsen attack: Indian variation] 4240b3 Nf6 4241[ECO A01 Nimzovich-Larsen attack: classical variation] 4242b3 d5 4243[ECO A01 Nimzovich-Larsen attack: English variation] 4244b3 c5 4245[ECO A01 Nimzovich-Larsen attack: Dutch variation] 4246b3 f5 4247[ECO A01 Nimzovich-Larsen attack: Polish variation] 4248b3 b5 4249[ECO A01 Nimzovich-Larsen attack: symmetrical variation] 4250b3 b6 4251[ECO A01 Nimzovich-Larsen attack] 4252b3 4253[ECO A00 Polish: T\"ubingen variation] 4254b4 Nh6 4255[ECO A00 Polish: Outflank variation] 4256b4 c6 4257[ECO A00 Polish opening] 4258b4 4259[ECO A00 Lasker simul special] 4260g3 h5 4261[ECO A00 Benko's opening: reversed Alekhine] 4262g3 e5 Nf3 4263[ECO A00 Benko's opening] 4264g3 4265[ECO A00 Grob: Romford counter-gambit] 4266g4 d5 Bg2 Bg4 c4 d4 4267[ECO A00 Grob: Fritz gambit] 4268g4 d5 Bg2 Bg4 c4 4269[ECO A00 Grob: spike attack] 4270g4 d5 Bg2 c6 g5 4271[ECO A00 Grob's attack] 4272g4 4273[ECO A00 Global opening] 4274h3 e5 a3 4275[ECO A00 Clemenz opening] 4276h3 4277[ECO A00 Amar gambit] 4278Nh3 d5 g3 e5 f4 Bh3 Bh3 ef 4279[ECO A00 Amar opening] 4280Nh3 4281[ECO A00 Battambang opening] 4282Nc3 e5 a3 4283[ECO A00 Dunst opening] 4284Nc3 e5 4285[ECO A00 Novosibirsk opening] 4286Nc3 c5 d4 cd Qd4 Nc6 Qh4 4287[ECO A00 Dunst opening] 4288Nc3 4289[ECO A00 Anderssen's opening] 4290a3 4291[ECO A00 Crab opening] 4292a4 e5 h4 4293[ECO A00 Ware opening] 4294a4 4295[ECO A00 Saragossa opening] 4296c3 4297[ECO A00 Valencia opening] 4298d3 e5 Nd2 4299[ECO A00 Mieses opening] 4300d3 e5 4301[ECO A00 Venezolana opening] 4302d3 c5 Nc3 Nc6 g3 4303[ECO A00 Mieses opening] 4304d3 4305[ECO A00 Amsterdam attack] 4306e3 e5 c4 d6 Nc3 Nc6 b3 Nf6 4307[ECO A00 Van't Kruijs opening] 4308e3 4309[ECO A00 Hammerschlag ] 4310f3 e5 Kf2 4311[ECO A00 Gedult's opening] 4312f3 4313[ECO A00 Anti-Borg opening] 4314h4 4315[ECO A00 Durkin's attack] 4316Na3