开局

Queen's Indian Defense: Kasparov Variation, Petrosian Variation

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.Bg5 Be7 7.Qa4+ c6 8.Bxf6 Bxf6 9.cxd5 exd5
顶级棋手