All ECO Codes
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C75
Ruy Lopez
Modern Steinitz Defence
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7
C75
Ruy Lopez
Modern Steinitz Defence, Rubinstein Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Nge7