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Réti Opening: King's Indian Attack, Symmetrical Defense

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 c5 6.c4 Nc6 7.O-O d6 8.d4 cxd4 9.Nxd4
顶级棋手