开局

Ruy López Opening: Morphy Defense, Columbus Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.a4 Bb7 9.d4 Bb6 10.Bg5
顶级棋手