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Ospina Ortiz, Oscar Alexander (1933) - Valle, Efrain (2251) - Bogota LAB op 03 (2), Bogota, 2013
E61
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bg5 d6 6.h3 Nbd7 7.e3 c5 8.d5 Qa5 9.Qd2 a6 10.Be2 Rb8 11.a4 Nb6 12.O-O Bf5 13.e4 Bd7 14.e5 dxe5 15.Nxe5 Bf5 16.g4 Bc8 17.Bf4 Ra8 18.Rfd1 Nbd7 19.Nd3 Ne8 20.Ne4 Qxd2 21.Rxd2 b6 22.a5 f5 23.Ng5 Nd6 24.Rc2 b5 25.cxb5 c4 26.Nb4 fxg4 27.Ne6 axb5 28.Nxf8 Kxf8 29.Bxg4 Nc5 30.Bxc8 Nxc8 31.Ra3 Nb3 32.Bc7 Ke8 33.Nc6 Kd7 34.Bg3 e6 35.Nb8+ Ke7 36.Rxb3 cxb3 37.Rxc8 Bxb2 38.d6+ Kf7 39.d7 Bf6 40.Be5 Be7 41.Nc6 1-0
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