开局

King's Indian Defense: Semi-Averbakh System

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3 c5 7.d5 e6 8.Nf3 exd5 9.cxd5
顶级棋手