White Elo Black Elo ECO Yr Res. #         Lock, G 2243 Mason, D 2261 A37 2009 0-1 67   Lock, G 2205 Mason, D 2204 D91 2013 ½-½ 52 Page 1
Lock, Gavin R (2243) - Mason, Donald (2261) - BCF-chT2b 0809 (4NCL) (5.1), Hinckley Island, 2009 - A37 1.Nf3 c5 2.c4 Nc6 3.g3 e5 4.Nc3 g6 5.Bg2 Bg7 6.O-O Nge7 7.d3 d6 8.a3 O-O 9.Rb1 a5 10.Bg5 f6 11.Be3 Be6 12.Ne1 b6 13.Nd5 Bxd5 14.cxd5 Nd4 15.Bxd4 cxd4 16.Nf3 Bh6 17.Nd2 Rc8 18.b4 a4 19.b5 Bxd2 20.Qxd2 Rc3 21.Rfc1 Qc7 22.Rxc3 Qxc3 23.Qxc3 dxc3 24.Rc1 Rc8 25.Rc2 Rc5 26.Bf3 Nc8 27.e3 Na7 28.Bd1 Nxb5 29.Ra2 Nc7 30.Bxa4 Nxd5 31.d4 exd4 32.exd4 Rc4 33.Bb3 Rxd4 34.Rc2 Kg7 35.Bxd5 Rxd5 36.Rxc3 Ra5 37.Rc6 Rxa3 38.Rxb6 d5 39.Rd6 Ra5 40.Rd7+ Kh6 41.Kg2 g5 42.g4 Kg6 43.Kg3 h5 44.gxh5+ Kxh5 45.f3 Kg6 46.h4 gxh4+ 47.Kxh4 Kf5 48.Kg3 Ke5 49.Re7+ Kd6 50.Rf7 Ke6 51.Rb7 Ra4 52.Rb8 Ke5 53.Re8+ Kd4 54.Rd8 Kc4 55.Rd6 d4 56.Rc6+ Kd3 57.Kf4 Ke2 58.Re6+ Kf2 59.Re4 f5 60.Kxf5 Kxf3 61.Rh4 Ra5+ 62.Ke6 d3 63.Rd4 Ke3 64.Rd8 d2 65.Kf6 Ra4 66.Ke5 Re4+ 67.Kf5 Rd4 0-1	Search games Games: 11,671,375 / Last update: 08 Jul 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=kAZQCrkxr
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