White Elo Black Elo ECO Year Res. #       Calderon, D Zuidema, Coen E38 1972 0-1 29 Calderon, D Giam, Choo Kwee E91 1972 0-1 24 Calderon, D Hasan, Hasibul D37 1972 0-1 31 Page 1
Calderon, D - Zuidema, Coen - Olympiad-20 Preliminaries G (1), Skopje, 1972 E38 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.Qc2 O-O 6.Bg5 cxd4 7.Nxd4 Nc6 8.e3 Nxd4 9.exd4 b6 10.Bd3 h6 11.Bh4 Bb7 12.O-O Be7 13.a3 d5 14.c5 bxc5 15.dxc5 Bxc5 16.Bxf6 gxf6 17.Ne2 Bd6 18.Qd2 Kg7 19.f4 Rg8 20.f5 e5 21.Rf3 Kh7 22.Rh3 Rg5 23.Rf1 e4 24.Bb1 Be5 25.Rb3 Ba6 26.Rd1 Rb8 27.Nc1 Rxb3 28.Nxb3 Qb6+ 29.Nd4 Bd3 0-1	Search games Games: 10658164 / Last update: 23 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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