White Elo Black Elo ECO Year Res. #       Mason, David Blocker, Calvin 2390 E04 1984 0-1 43 Mason, David O'Donnell, Robert E81 1984 0-1 38 Mason, David Czuhai, Kevin A65 1985 0-1 41 Mason, David La Mar, Frank D08 1985 0-1 27 Mason, David Poschel, Paul 2260 D20 1985 0-1 35 Mason, David Stone, Raymond 2315 D94 1986 0-1 55 Mason, David Finegold, Mark A91 1986 0-1 38 Mason, David Noren, Kevin A97 1987 0-1 34 Mason, David Kitts, Gary E72 1987 0-1 52 Page 1
Mason, David - Blocker, Calvin (2390) - Detroit East op, Detroit East, 1984 E04 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Nbd7 5.Nf3 dxc4 6.O-O c5 7.Na3 Nb6 8.Nxc4 Nxc4 9.Qa4+ Bd7 10.Qxc4 b5 11.Qc2 Rc8 12.Bg5 h6 13.Bxf6 gxf6 14.Qd2 Bc6 15.dxc5 Bxc5 16.Qxd8+ Kxd8 17.Rfd1+ Ke7 18.Nd4 Bd7 19.Nb3 Bb6 20.Rac1 a5 21.e3 Rhd8 22.Rxc8 Rxc8 23.Rc1 Rxc1+ 24.Nxc1 Kd6 25.Kf1 e5 26.Ke2 f5 27.f3 Be6 28.b3 Bc5 29.Nd3 Bb6 30.Nc1 a4 31.Kd3 Bc5 32.e4 fxe4+ 33.fxe4 Ba3 34.Ne2 axb3 35.axb3 Bxb3 36.Nc3 Bc4+ 37.Kc2 b4 38.Nb1 Kc5 39.Nxa3 bxa3 40.Kc3 a2 41.Kb2 Kd4 42.h4 Ke3 43.g4 f6 0-1	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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