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čtvrtek 21. ledna 2016

Play against computer chess opening positions by eco B00-B99

Encyclopaedia of Chess Openings Classification Code Index-play against computer
Play chess opening positions by eco against the computer. It is also a blindfold mode.

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 B00: Irregular Asymmetrical Responses to 1.e4:
1...a6 (St.George's Defence),
1...b6 (Owens' Defence),
1...f6 (Barnes Defence),
1...h6 (Carr Defence),
 1...Na6 (Lemming Defence),
1...Nc6 (Nimzowitsch Defence),
 1...Nh6 (Adams Defence),
 1...a5 (Cornstalk Defence),
 1...b5 (Polish Gambit),
1...f5 (FredDefence),
 1...g5 (Borg Defence),
1...h5 (Goldsmith Defence)

B01: Scandinavian Defence: 1.e4 d5

B02: Alekhine Defence: Unusual White third moves: 1.e4 Nf6 2.e5 Nd5 3.g3, 3.c4, 3.Nc3
1.e4 Nf6 2.e5 Nd5 3.c4
1.e4 Nf6 2.e5 Nd5 3.Nc3

B03: Alekhine Defence, Four Pawns' Attack: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.g3

B04: Alekhine Defence, Modern Variation: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3

B05: Alekhine Defence, Modern Variation: 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4

B06: Modern Defence: 1.e4 g6

B07: Pirc Defence, Unusual White second and third moves: 1.e4 d6

B08: Pirc Defence, Two Knights: 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3

B08: Pirc Defence, Two Knights (Schlechter): 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3

B08: Pirc Defence, Two Knights (Quiet): 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2

B09: Pirc Defence, Austrian Attack: 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4

B10: Caro-Kann Defence, Unusual White second moves: 1.e4 c6

B11: Caro-Kann Defence, Unusual Black second moves: 1.e4 c6 2.d4

B11: Caro-Kann Defence, Two Knights Variation: 1.e4 c6 2.Nc3

B12: Caro-Kann Defence, Classical Variation: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5

B13: Caro-Kann Defence, Exchange Variation: 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3

B13: Caro-Kann Defence, Panov-Botvinnik Attack: 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

B14: Caro-Kann Defence, Panov-Botvinnik Attack with 5...e6: 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6
5.Nc3 e6

B14: Caro-Kann Defence, Panov-Botvinnik Attack with 5...g6: 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6
5.Nc3 g6

B15: Caro-Kann Defence, 3.Nc3 sidelines: 1.e4 c6 2.d4 d5 3.Nc3

B15: Caro-Kann Defence, Korchnoi Variation: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6 exf6

B16: Caro-Kann Defence, Larsen-Bronstein Variation: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.
Nxf6 gxf6

B17: Caro-Kann Defence, Modern Variation: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7

B18: Caro-Kann Defence, Classical Variation sidelines: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5

B19: Caro-Kann Defence, Classical Variation main line: 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.
Ng3 Bg6 6.h4 h6 7.Nf3

B20: Sicilian Defence, Unusual White second moves: 1.e4 c5

B21: Sicilian Defence, 2.f4 Attack: 1.e4 c5 2.f4

B21: Sicilian Defence, Smith-Morra Gambit: 1.e4 c5 2.d4 cxd4 3.c3

B22: Sicilian Defence, Alapin Variation: 1.e4 c5 2.c3

B23: Sicilian Defence, Closed Sicilians without g3: 1.e4 c5 2.Nc3

B23: Sicilian Defence, Grand Prix Attack: 1.e4 c5 2.Nc3 Nc6 3.f4

B24: Closed Sicilian, 3.g3 sidelines: 1.e4 c5 2.Nc3 Nc6 3.g3

B25: Closed Sicilian, 3.g3 without early Be3: 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7

B26: Closed Sicilian, 3.g3 with early Be3: 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3

B27: Sicilian Defence, 2.Nf3 early deviations: 1.e4 c5 2.Nf3

B28: Sicilian Defence, O'Kelly Variation: 1.e4 c5 2.Nf3 a6

B29: Sicilian Defence, Nimzowitsch Variation: 1.e4 c5 2.Nf3 Nf6

B30: Sicilian Defence, Rossolimo Variation without ...g6: 1.e4 c5 2.Nf3 Nc6 3.Bb5

B31: Sicilian Defence, Rossolimo Variation with 3...g6: 1.e4 c5 2.Nf3 Nc6 3.Bb5 g6

B32: Sicilian Defence, Löwenthal and Kalashnikov Variations: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5

B33: Sicilian Defence, Pelikan and Sveshnikov Variations: 1..e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 e5

B34: Sicilian Defence, Accelerated Dragon sidelines: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6

B35: Sicilian Defence, Accelerated Dragon main line: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3
Bg7 6.Be3 Nf6 7.Bc4

B36: Sicilian Defence, Maroczy Bind, Gurgenidze System: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6
5.c4 Nxd4 6.Qxd4

B37: Sicilian Defence, Maroczy Bind with 5...Bg7 sidelines: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6
5.c4 Bg7

B38: Sicilian Defence, Maroczy Bind with 5...Bg7 and 7...O-O: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4
g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 O-O

B39: Sicilian Defence, Maroczy Bind with 5...Bg7 main line: 1 e4 c5 2 Nf3 Nc6 3 d4 cxd4 4 Nxd4 g6 5 c4 Bg7 6 Be3 Nf6 7 Nc3 Ng4

B40: Sicilian Defence, 2...e6 miscellaneous: 1.e4 c5 2.Nf3 e6

B41: Sicilian Defence, Kan Variation unusual lines: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

B42: Sicilian Defence, Kan Variation with 5.Bd3: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3

B43: Sicilian Defence, Kan Variation with 5.Nc3: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3

B44: Sicilian Defence, Taimanov Variation with 5.Nb5: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5

B45: Sicilian Defence, Four Knights' Variation: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

B46: Sicilian Defence, Taimanov Variation with 5.Nc3: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3

B47: Sicilian Defence, Taimanov Variation with 5...Qc7: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3
Qc7

B48: Sicilian Defence, Taimanov Variation with 6.Be3 a6 without Be2: 1.e4 c5 2.Nf3 e6 3.d4 cxd4
4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6

B49: Sicilian Defence, Taimanov Variation with 6.Be3 a6 7.Be2: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4
Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2

B50: Sicilian Defence, 2...d6 miscellaneous: 1.e4 c5 2.Nf3 d6

B51: Sicilian Defence, Moscow Variation early deviations: 1.e4 c5 2.Nf3 d6 3.Bb5

B52: Sicilian Defence, Moscow Variation with 3...Bd7: 1.e4 c5 2.Nf3 d6 3.Bb5 Bd7

B53: Sicilian Defence, Chekhover Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4

B54: Sicilian Defence, Unusual open lines: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4

B55: Sicilian Defence, Open lines with 5.f3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3

B56: Sicilian Defence, Unusual open lines: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3

B57: Classical Sicilian, Sozin Variation: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4

B58: Classical Sicilian, Boleslavsky Variation with 7.Nf3: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 d6 6.Be2 e5 7.Nf3

B59: Classical Sicilian, Boleslavsky Variation with 7.Nb3: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 d6 6.Be2 e5 7.Nb3

B60: Classical Sicilian, Richter-Rauzer Variation sidelines: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 d6 6.Bg5

B61: Classical Sicilian, Richter-Rauzer Variation with 6...Bd7 7.Qd2: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2

B62: Classical Sicilian, Richter-Rauzer Variation with 6...e6 sidelines: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6

B63: Classical Sicilian, Richter-Rauzer Variation with 7...Be7: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4
Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7

B64: Classical Sicilian, Richter-Rauzer Variation without 9...Nxd4: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4

B65: Classical Sicilian, Richter-Rauzer Variation with 9...Nxd4: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4
Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4

B66: Classical Sicilian, Richter-Rauzer Variation with 7...a6 8.O-O-O h6: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 a6 8.O-O-O h6

B67: Classical Sicilian, Richter-Rauzer Variation with 7...a6 and 8...Bd7: 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 7 Qd2 a6 8 O-O-O Bd7

B68: Classical Sicilian, Richter-Rauzer Variation with 9.f4 Be7: 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 7 Qd2 a6 8 O-O-O Bd7 9 f4 Be7

B69: Classical Sicilian, Richter-Rauzer Variation with 11.Bxf6: 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 Nc6 6 Bg5 e6 7 Qd2 a6 8 O-O-O Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6

B70: Dragon Sicilian, early deviations: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

B71: Dragon Sicilian, Levenfish Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4

B72: Dragon Sicilian, 6.Be3 without f3 and Qd2: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
6.Be3

B73: Dragon Sicilian, Classical System without Nb3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O

B74: Dragon Sicilian, Classical System with Nb3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3

B75: Dragon Sicilian, Yugoslav Attack miscellaneous: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
g6 6.Be3 Bg7 7.f3

B76: Dragon Sicilian, Yugoslav Attack with 9.O-O-O: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.O-O-O

B76: Dragon Sicilian, Yugoslav attack with 9.g4: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.g4

B77: Dragon Sicilian, Yugoslav Attack with 9.Bc4 sidelines: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4

B78: Dragon Sicilian, Yugoslav Attack main line: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rc8

B78: Dragon Sicilian, Yugoslav Attack, Soltis Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rc8 11.Bb3 Ne5 12.h4 h5

B79: Dragon Sicilian, Yugoslav Attack with 10...Qa5: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5

B80: Scheveningen Sicilian, 6.g3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3

B80: Scheveningen Sicilian, 6.Be3 and English Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3
e6 6.Be3

B81: Scheveningen Sicilian, Keres Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4

B82: Scheveningen Sicilian with 6.f4: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4

B83: Scheveningen Sicilian, 6.Be2 without ...a6: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6
6.Be2 Nc6 7.O-O Be7

B84: Scheveningen Sicilian, with 6.Be2 a6: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6

B85: Scheveningen Sicilian with 6.Be2 a6 and early Be3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 e6 6.Be2 a6 7.Be3 Be7 8.O-O O-O 9.f4

B86: Scheveningen Sicilian, Sozin Variation without early ...b5: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4
Nf6 5.Nc3 e6 6.Bc4

B87: Scheveningen Sicilian, Sozin Variation with early ...b5: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 e6 6.Bc4 a6 7.Bb3 b5

B88: Sicilian Defence, Sozin Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4

B89: Sicilian Defence, Velimirović Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4
e6 7.f4 Bd7 8.Qe2

B90: Najdorf Sicilian, Unusual White sixth moves: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

B90: Najdorf Sicilian, English Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3

B90: Najdorf Sicilian, Fischer-Sozin Attack: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4

B91: Najdorf Sicilian with 6.g3: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3

B92: Najdorf Sicilian, Classical Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2

B93: Najdorf Sicilian with 6.f4: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4

B94: Najdorf Sicilian, old main line with 6...Nbd7: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
6.Bg5 Nbd7

B95: Najdorf Sicilian, old main line, unusual White seventh moves: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4
Nf6 5.Nc3 a6 6.Bg5 e6

B96: Najdorf Sicilian, old main line except 7...Qb6 or 7...Be7: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6
5.Nc3 a6 6.Bg5 e6 7.f4

B97: Najdorf Sicilian, Poisoned Pawn Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
6.Bg5 e6 7.f4 Qb6

B98: Najdorf Sicilian, 6.Bg5 e6 7.f4 Be7 sidelines: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
6.Bg5 e6 7.f4 Be7

B99: Najdorf Sicilian, 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 main line: 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 O-O-O Nbd7
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