White Elo Black Elo ECO Year Res. #       Patterson, Tony M Olson, David L D00 1995 ½-½ 28 Lazaro, Fernando 1300 Olson, David L 1400 D00 2012 ½-½ 35 Murilo, Filho 1745 Olson, David L 1541 D00 2013 0-1 24 Royzen, Igor 1844 Olson, David L 1447 D00 2013 1-0 35 Page 1
Patterson, Tony M - Olson, David L - World op 23rd (3), Philadelphia, 1995 D00 1.d4 d5 2.Bg5 h6 3.Bh4 Bf5 4.e3 c6 5.Nf3 Nd7 6.Bd3 Bxd3 7.cxd3 Qb6 8.Qe2 Ngf6 9.O-O e6 10.Ne5 Bd6 11.Bxf6 gxf6 12.Nxd7 Kxd7 13.Nc3 Rag8 14.Rfc1 h5 15.Na4 Qc7 16.Nc5+ Ke7 17.h3 Rg5 18.e4 Rhg8 19.Qf3 Bf4 20.Re1 b6 21.Nb3 Rxg2+ 22.Qxg2 Rxg2+ 23.Kxg2 h4 24.Re2 Qc8 25.Rc2 Qa6 26.Nc1 Qa4 27.Nb3 Qa6 28.Nc1 ½-½	Search games Games: 10666599 / Last update: 30 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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