Açylyşlar

Queen's Indian Defense: Fianchetto, Classical, Nimzowitsch Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 d5 8.cxd5 exd5 9.Bf4
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