White Elo Black Elo ECO Year Res. #       Donner, Jan Hein Jongsma, Alexander D44 1970 ½-½ 63 Page 1
Donner, Jan Hein - Jongsma, Alexander - IBM (1), Amsterdam, 1970 D44 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.Bg5 dxc4 6.a4 Qa5 7.Bd2 Bb4 8.e4 c5 9.Bxc4 cxd4 10.Nxd4 Qc5 11.Bb5+ Nbd7 12.Nb3 Qd6 13.Qe2 O-O 14.f4 e5 15.O-O a6 16.Bc4 Nb6 17.fxe5 Qxe5 18.Bf4 Qh5 19.e5 Qxe2 20.Bxe2 Nfd5 21.Bd2 Be6 22.a5 Bxc3 23.bxc3 Nd7 24.c4 Ne7 25.Nd4 Nxe5 26.Nxe6 fxe6 27.Rfb1 N7c6 28.Rxb7 Nd4 29.Bf1 Nef3+ 30.gxf3 Nxf3+ 31.Kh1 Nxd2 32.Bh3 Rf6 33.Rg1 g6 34.Re7 Nxc4 35.Bxe6+ Rxe6 36.Rxe6 Kf7 37.Rc6 Nxa5 38.Rc7+ Kf6 39.Rb1 Re8 40.Rb6+ Re6 41.Rxe6+ Kxe6 42.Rxh7 Nc4 43.Rg7 Kf5 44.Rc7 Ne5 45.Ra7 Nd3 46.Rxa6 Nf4 47.Kg1 Kg4 48.Ra3 g5 49.Kf2 Nh5 50.Rf3 Nf4 51.Rg3+ Kf5 52.Kf3 Nh5 53.Rg2 Nf6 54.Ra2 Kg6 55.Ke3 Kh5 56.Kf3 Kg6 57.Ra8 Kf5 58.Ra5+ Kg6 59.h3 Kh5 60.Ra6 Kg6 61.Ke3 Kf5 62.Ra5+ Kg6 63.Kd4 Ng8 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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