Chess Openings

Sicilian Defence

( ECO code B20-89 ): 1.e4 c5

Pros

1. Center Control: Indirectly pressures the center in the early stages, making it difficult for White to dominate the center.

2- Flexibility: There are many different variations (e.g. Dragon Variation, Najdorf Variation), players can apply different strategies.

3 Aggressive Counterplay: Offers winning opportunities for Black.

4 High-Level Usage: Preferred by Grandmasters.

Cons

1. Complications: Many of its variations are quite complex and require theoretical knowledge.

2. White Attack Chances: White can dominate with an early central attack.

3. Time-wasting Risk: It can take time to fully understand and learn the defense.

:

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

B21: .......... 2.f4 Attack: 1.e4 c5 2.f4

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

B22: .......... Alapin Variation: 1.e4 c5 2.c3

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

B23: .......... 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.Be3

B27: .......... 2.Nf3 early deviations: 1.e4 c5 2.Nf3

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

B29: .......... Nimzowitsch Variation: 1.e4 c5 2.Nf3 Nf6

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

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

B32: .......... L wenthal and Kalashnikov Variations: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5

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

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

B35: .......... 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: .......... Maroczy Bind, Gurgenidze System: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nxd4 6.Qxd4

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

B38: .......... 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: .......... Maroczy Bind with 5...Bg7 main line: 1.e4 c5 2.Nc3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 Nxd4

B40: .......... 2...e6 miscellaneous: 1.e4 c5 2.Nf3 e6

B41 - 43: .......... Kann Variation: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

B44 - 49: .......... Taimanov Variation: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

B50: .......... 2...d6 miscellaneous: 1.e4 c5 2.Nf3 d6

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

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

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

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

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

B56: .......... 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 - 69: .......... Richter-Rauzer Variation: 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6

B70 - 79: .......... Dragon Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

B80 - 89: .......... Scheveningen Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6

B80 - 89: .......... Najdorf Variation: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

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Sicilian Defence

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ADVANTAGES - DISADVANTAGES
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