开局

Ruy López Opening: Berlin Defense

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c3 Be7 6.O-O O-O 7.Re1 a6 8.Ba4 Re8 9.Nbd2 Bf8 10.Nf1
顶级棋手