ECO chess code B3 - Sicilian Defense with 2. ... Nc6
B30 - Sicilian Defense 
1. e4 c5   
2. Nf3 Nc6

B31 - Sicilian Defense, Rossolimo Variation
1. e4 c5   
2. Nf3 Nc6   
3. Bb5 g6

B32 - Sicilian Defense
1. e4 c5   
2. Nf3 Nc6   
3. d4

B33
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4

B34 - Sicilian Defense - Accelerated Dragon Variation
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6

B35
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6   
5. Nc3 Bg7   
6. Be3 Nf6   
7. Bc4

B36 - Sicilian Defense/Maroczy Bind
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6   
5. c4

B37 
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6   
5. c4 Bg7

B38
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6   
5. c4 Bg7   
6. Be3 

B39
1. e4 c5   
2. Nf3 Nc6   
3. d4 cd4   
4. Nd4 g6   
5. c4 Bg7  
6. Be3 Nf6   
7. Nc3 Ng4

ECO chess codes
Chess Notation
Chess Openings

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