White Elo Black Elo ECO Year Res. #       Riefer, Alexander 1792 Koopmeiners, Karl 1971 B12 2011 ½-½ 21 Page 1
Riefer, Alexander (1792) - Koopmeiners, Karl (1971) - Troisdorf op (2), Troisdorf, 2011 B12 1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4 Bd7 5.h4 c5 6.dxc5 e6 7.Be3 Qc7 8.Nc3 Bxc5 9.Nf3 Bxe3 10.fxe3 Bc6 11.Qd4 Nd7 12.O-O-O Ne7 13.h5 a6 14.Bd3 O-O-O 15.Rhf1 h6 16.Kb1 f6 17.exf6 gxf6 18.Qb4 Rde8 19.Nd4 Ng8 20.Bg6 Re7 21.Rd3 Ne5 ½-½	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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