White Elo Black Elo ECO Year Res. #       Jonk, Geert Jan 1856 Van Os, Albert 1842 B23 2008 ½-½ 51 Page 1
Jonk, Geert Jan (1856) - Van Os, Albert (1842) - Leiden SB-ch (7), Leiden, 2008 B23 1.e4 c5 2.Nc3 a6 3.g3 b5 4.Bg2 Bb7 5.d3 e6 6.Nh3 b4 7.Ne2 d5 8.O-O Be7 9.e5 h5 10.Nef4 g6 11.c4 bxc3 12.bxc3 Qc7 13.Rb1 Bc6 14.c4 d4 15.Nd5 Qd8 16.Nxe7 Nxe7 17.Bg5 Qc7 18.Bf6 Rg8 19.Bxe7 Kxe7 20.Re1 Nd7 21.Bxc6 Qxc6 22.Qd2 Rgb8 23.Qg5+ Ke8 24.Qf4 Rxb1 25.Rxb1 Rb8 26.Re1 Ke7 27.Ng5 Rf8 28.Ne4 Kd8 29.Rb1 Kc7 30.Nd6 f6 31.exf6 e5 32.Qe4 Kxd6 33.Qxg6 Rxf6 34.Qxh5 e4 35.dxe4 Qxe4 36.Rf1 Ne5 37.f4 Nxc4 38.Qh8 Ke7 39.Qg7+ Rf7 40.Qg5+ Kd6 41.Qh6+ Qe6 42.Qh8 Qe3+ 43.Kg2 Qe2+ 44.Kg1 Kc7 45.Qa8 Qe3+ 46.Kg2 Re7 47.Qa7+ Kd6 48.Qxa6+ Kd5 49.Qa8+ Kd6 50.Qa6+ Kd5 51.Qa8+ ½-½	Search games Games: 10649461 / Last update: 16 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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