ECO chess codes B2 - Sicilian Defence
B20 - Sicilian Defense
1. e4 c5
B21 - Sicilian Defense/Grand Prix Attack
1. e4 c5
2. f4
B21 - Sicilian Defense/Smith-Morra Gambit
1. e4 c5
2. d4
B22 - Sicilian Defense/Alapin Variation
1. e4 c5
2.c3
B23 - Sicilian Defence/Closed Variation
1. e4 c5
2. Nc3
B24
1. e4 c5
2. Nc3 Nc6
3. g3
B25
1. e4 c5
2. Nc3 Nc6
3. g3 g6
4. Bg2 Bg7
5. d3 d6
B26
1. e4 c5
2. Nc3 Nc6
3. g3 g6
4. Bg2 Bg7
5. d3 d6
6. Be3
B27 - Sicilian Defense
1. e4 c5
2. Nf3
B28 - Sicilian Defense/O'Kelly Variation
1. e4 c5
2. Nf3 a6
B29 - Sicilian Defence/Nimzovitch Variation
1. e4 c5
2. Nf3 Nf6
ECO Chess Codes
Chess Openings
Chess Notation