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English Opening: Symmetrical, Double Fianchetto Defense

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.d4 cxd4 9.Qxd4
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