4. Open

O. Castro (2369)

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2009.10.30
1 : 0

C. Beltran (2242)

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1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 d6 6.Nc3 Nc6 7.d5 Ne7 8.e4 e5 9.Bd3 O-O 10.O-O Nh5 11.c5