White Elo Black Elo ECO Year Res. #       Umbach, Andreas Osio, Guido E91 1991 1-0 54 Page 1
Umbach, Andreas - Osio, Guido - Zuerich op-B 15th, Zuerich, 1991 E91 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 c5 7.O-O Nbd7 8.Kh1 a6 9.Bg5 h6 10.Be3 Rb8 11.Qd2 Kh7 12.Rac1 b5 13.e5 Ng4 14.exd6 Nxe3 15.dxe7 Nxf1 16.exd8=Q Nxd2 17.Qc7 Nxf3 18.Bxf3 Bxd4 19.cxb5 axb5 20.Re1 Bf6 21.Bc6 Bd8 22.Qd6 Rb6 23.Qd5 Nb8 24.Qxc5 Kg7 25.Bxb5 Be6 26.a4 Rb7 27.Nd5 Nd7 28.Qc6 Ra7 29.b4 Nf6 30.Nf4 Bd7 31.Qc4 Rc7 32.Qd3 Re8 33.Rd1 Ng4 34.Kg1 Bf5 35.Qxf5 Re1+ 36.Rxe1 gxf5 37.h3 Nf6 38.Bd3 Be7 39.b5 Bd6 40.Ne2 Bb4 41.Rb1 Nd5 42.Nd4 Ba5 43.Nc6 Bd2 44.a5 Nc3 45.Rb2 Bf4 46.Rc2 Nd5 47.g3 Bd6 48.b6 Rc8 49.Bxf5 Re8 50.Rd2 Re1+ 51.Kg2 Ne7 52.Nxe7 Bxe7 53.b7 Rb1 54.Bxb1 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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