White Elo Black Elo ECO Year Res. #       Orbaan, Constant Donner, Jan Hein B43 1957 ½-½ 45 Page 1
Orbaan, Constant - Donner, Jan Hein - NED-ch18 (3), Amsterdam, 1957 B43 1.e4 c5 2.Nc3 a6 3.g3 b5 4.Bg2 Bb7 5.Nge2 Nf6 6.d4 cxd4 7.Nxd4 e6 8.Qe2 Nc6 9.Nxc6 Bxc6 10.O-O b4 11.e5 Bxg2 12.Kxg2 bxc3 13.exf6 Qxf6 14.Qe4 Qd8 15.Rd1 Rc8 16.bxc3 Be7 17.Qd3 O-O 18.Qxa6 Rxc3 19.Qa4 d5 20.Bb2 Rc8 21.Rd3 Bf6 22.Rb1 Ra8 23.Bxf6 Qxf6 24.Qb3 Qe5 25.Re3 Qd6 26.Qb2 d4 27.Rb3 Rfc8 28.Kg1 h6 29.Rb4 e5 30.Rb7 Qd5 31.a3 Qf3 32.Rb3 Qf5 33.Rd3 Ra4 34.Qb7 e4 35.g4 Qxg4+ 36.Rg3 Qe6 37.Rb6 Qe8 38.Rxh6 Rb8 39.Qd5 Rb5 40.Qd6 Rf5 41.Rh4 f6 42.Rgh3 Rg5+ 43.Kh1 Kf7 44.Rh8 Qe7 45.Qb8 ½-½	Search games Games: 10675260 / Last update: 06 Aug 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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