开局

Queen's Indian Defense: Fianchetto, Nimzowitsch Variation, Quiet, Check Variation, Intermezzo Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Nc3
顶级棋手