4. Open

O. Castro (2369)

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2009.11.02
1/2 : 1/2

Sergio Andres Sanabria Rangel (2187)

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1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.a3 Bd6 7.Be2 O-O 8.O-O b6 9.b4 dxc4 10.Bxc4 b5 11.Bd3 a5 12.Rb1 axb4 13.axb4 Qe7 14.Qb3 Bb7