White Elo Black Elo ECO Year Res. #       Ost Hansen, Jacob Dieks, Roy G A25 1971 0-1 46 Castro Rojas, Oscar Hu... Dieks, Roy G B92 1971 0-1 24 Biriescu, Ioan Dieks, Roy G B99 1971 0-1 45 Spacek, Petr Dieks, Roy G D93 1972 0-1 47 Van der Heyden, C Dieks, Roy G B22 1972 0-1 29 Stefansson, Torfi Dieks, Roy G B96 1972 0-1 36 Buchal, Stephan Dieks, Roy G B50 1972 0-1 43 Yu Hun, Hi Dieks, Roy G E34 1973 0-1 51 Freile Martin, Javier Dieks, Roy G B96 1973 0-1 28 Momeni Roudsari, Hadi Dieks, Roy G B78 1973 0-1 41 Tarjan, James Edward Dieks, Roy G E10 1974 0-1 46 Kemperman, Hans Dieks, Roy G B51 1974 0-1 50 Van der Wees, Aad Jan Dieks, Roy G B06 1974 0-1 27 Egmond, Peter Dieks, Roy G D35 1974 0-1 29 Page 1
Ost Hansen, Jacob - Dieks, Roy G - World U20-ch11 Preliminaries D (2), Athens, 1971 A25 1.g3 e5 2.c4 d6 3.Bg2 g6 4.Nc3 Bg7 5.e3 Ne7 6.Nge2 O-O 7.O-O Nbc6 8.d3 Be6 9.Nd5 Qd7 10.Qa4 Nf5 11.Nec3 a6 12.Bd2 h5 13.Ne4 f6 14.Rab1 Nfe7 15.Nec3 Rab8 16.b4 Rfc8 17.b5 axb5 18.cxb5 Nd8 19.Qb4 Nxd5 20.Nxd5 Qf7 21.e4 Bxd5 22.exd5 b6 23.f4 Nb7 24.Qc4 f5 25.a4 Nc5 26.a5 exf4 27.gxf4 bxa5 28.Bxa5 Qf6 29.Kh1 Qd4 30.Rf3 Ra8 31.Bb4 Ra4 32.Rg3 Kf7 33.b6 Ra1 34.Qc1 Rca8 35.Bxc5 Qxc5 36.Qxc5 Rxb1+ 37.Qg1 Raa1 38.Bf3 Bd4 39.Qxb1 Rxb1+ 40.Kg2 cxb6 41.Kh3 b5 42.Rg2 b4 43.Kh4 b3 44.Kg5 b2 45.Kh6 Rg1 46.Rc2 b1=Q 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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