ECO chess codes B7 - The Sicilian Defense Dragon Variation
B70 - Sicilian Defense/Dragon Variation
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6

B71 - Sicilian Defenc=se/Dragon Variation/Levenfish Variation
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6   
6. f4

B72 - Sicilian Defence/Dragon Variation
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6   
6. Be3

B73 - Sicilian Defence/Dragon Variation/Classical System
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. Be2 Nc6   
8. O-O

B74
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. Be2 Nc6   
8. O-O O-O   
9. Nb3

B75 Sicilian Defence/Dragon Variation/Yugoslav Attack
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. f3

B76
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. f3 O-O

B77
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. f3 O-O 
8. Qd2 Nc6   
9. Bc4

B78
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. f3 O-O   
8.Qd2 Nc6   
9. Bc4 Bd7    
10. O-O-O

B79
1. e4 c5   
2. Nf3 d6   
3. d4 cd4   
4. Nd4 Nf6   
5. Nc3 g6  
6. Be3 Bg7   
7. f3 O-O   
8. Qd2 Nc6   
9. Bc4 Bd7    
10. O-O-O Qa5  
11. Bb3 Rfc8  
12. h4 
ECO chess codes
Chess Notation
Chess Openings

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