ECO Chess Codes C7 - The Ruy Lopez/Morphy's Defense
C70 - Ruy Lopez, Morphy's Defense
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4

C71 - Ruy Lopez Modern Steinitz Variation
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6

C72
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6   
5. O-O

C73
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6   
5. Bc6 bc6   
6. d4

C74
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6   
5. c3

C75
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6   
5. c3 Bd7

C76
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 d6   
5. c3 Bd7   
6. d4 g6

C77 - Ruy Lopez, Morphy's Defense
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 Nf6

C78
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 Nf6    
5. O-O

C79 - Ruy Lopez Modern Steinitz Variation
1. e4 e5   
2. Nf3 Nc6   
3. Bb5 a6   
4. Ba4 Nf6    
5. O-O d6

ECO Chess Codes
Chess Notation

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