White Elo Black Elo ECO Yr Res. #         Kostiuk, P 1700 O'Brien, M 1700 B98 1972 1-0 48   Stoyko, S 2209 O'Brien, M A40 2010 ½-½ 52   Grasso, D 2168 O'Brien, M A40 2010 ½-½ 42   O'Brien, M Walker, A 2096 B99 2010 1-0 27   West, J 2090 O'Brien, M C41 2010 1-0 65   O'Brien, M Zhu, D B76 2010 0-1 38   Ippolito, D 2458 O'Brien, M E10 2010 1-0 29   O'Brien, M Ferrero, S 2153 C66 2010 0-1 60   Swaminathan, R 2085 O'Brien, M B86 2010 1-0 45   O'Brien, M Chen, K 2071 C66 2010 0-1 43   O'Brien, M 2058 Matko, O 2286 B43 2014 1-0 53   Pace, C 2087 O'Brien, M 2052 B21 2014 1-0 23   O'Brien, M 2043 Abdi, F 2026 B00 2014 0-1 35   O'Brien, M 2119 Osinovsky, S 2241 C88 2015 1-0 31 Page 1
Kostiuk, Paul (1700) - O'Brien, Matthew (1700) - Toronto op (5), Toronto, 1972 - B98 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.Bd3 b5 10.O-O Bb7 11.f5 e5 12.Nde2 b4 13.Nd1 O-O 14.c4 a5 15.b3 Na6 16.Ng3 Rfc8 17.Qe2 Nc5 18.Nf2 a4 19.Bc2 axb3 20.axb3 Ra3 21.Rxa3 bxa3 22.b4 Na6 23.b5 Qxc4 24.Qxc4 Rxc4 25.Bd3 Ra4 26.bxa6 Bxa6 27.Bxa6 Rxa6 28.Nd3 Ra4 29.Ra1 Kf8 30.Kf1 Nxe4 31.Bxe7+ Kxe7 32.Nxe4 Rxe4 33.Rxa3 Kf6 34.Nf2 Rb4 35.Rd3 Rb1+ 36.Ke2 Rb2+ 37.Ke3 Rb6 38.g4 g6 39.Ne4+ Ke7 40.Nc3 Rb7 41.Nd5+ Kd8 42.f6 Rb2 43.h3 Rh2 44.Ke4 Re2+ 45.Re3 Rxe3+ 46.Nxe3 Kd7 47.Kd5 Kc7 48.Nc4 1-0	Search games Games: 11,644,866 / Last update: 24 Jun 2026   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
	Game link: https://www.chessbites.com/Games.aspx?d=kCkZCCoA
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