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O Connor, Derek (2213) - Khristoforov, Sergey (2011) - San Francisco Grey Memorial (3), San Francisco, 2017
D30
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.b3 Bb4+ 6.Nbd2 Nbd7 7.Bd3 Ne4 8.a3 Bc3 9.Rb1 Bxd2+ 10.Bxd2 Nxd2 11.Qxd2 Qe7 12.O-O e5 13.cxd5 e4 14.d6 Qxd6 15.Bxe4 Nf6 16.Bd3 Qxa3 17.b4 Be6 18.Ra1 Qb3 19.e4 Bc4 20.Bc2 Nxe4 21.Rfe1 1-0
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