All ECO Codes
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C73
Ruy Lopez
Modern Steinitz Defence, Richter Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6 bxc6 6.d4
C73
Ruy Lopez
Modern Steinitz Defence, Alapin Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6 bxc6 6.d4 f6