White Elo Black Elo ECO Year Res. #       Mareco, Sandro 2525 Obregon, Carlos Andres 2439 A23 2009 1-0 46 Mareco, Sandro 2565 Obregon, Carlos Andres 2500 D16 2014 1-0 30 Page 1
Mareco, Sandro (2525) - Obregon, Carlos Andres (2439) - Buenos Aires Duchamp Memorial 1st (4), Buenos Aires, 2009 A23 1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 e4 5.Nd4 d5 6.cxd5 Qb6 7.Nc2 cxd5 8.Bg2 Nc6 9.O-O Bf5 10.d3 Rd8 11.b4 Be7 12.b5 d4 13.Nxe4 Qxb5 14.Nxf6+ Bxf6 15.Ba3 Be6 16.Rb1 Qa6 17.Qd2 Bd5 18.e4 Be6 19.f4 Be7 20.Bxe7 Nxe7 21.f5 Bc8 22.f6 gxf6 23.Nb4 Qa5 24.Rxf6 Nc6 25.Rf2 Nxb4 26.Rxb4 b6 27.e5 Qc5 28.Rc4 Qe7 29.Qf4 Be6 30.Bc6+ Bd7 31.Bd5 Be6 32.Bxe6 Qxe6 33.Rc6 Qe7 34.Rf6 O-O 35.Qg5+ Kh8 36.e6 Rc8 37.Qe5 Qc5 38.Qxc5 bxc5 39.e7 Rfe8 40.Rxf7 Kg8 41.Kg2 Rb8 42.g4 h6 43.Kg3 Rbc8 44.h4 c4 45.dxc4 d3 46.Rf8+ 1-0	Search games Games: 10658164 / Last update: 23 Jul 2025 GamePositionEndgames White Black Ignore colours ECO Year Result All 1-0 0-1 ½-½ Event Site Click below to set up a position to search for Set position Click the button below to select an endgame type
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