All ECO Codes
\
C69
Ruy Lopez
Exchange Variation, 5.O-O
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O
C69
Ruy Lopez
Exchange Variation, Alapin Gambit
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 h5
C69
Ruy Lopez
Exchange, Gligoric Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6
C69
Ruy Lopez
Exchange, Bronstein Variation
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6