White Elo Black Elo ECO Year Res. #       Cassens, Erhard Otto 1682 Biermann Ratjen, Mathi... 1749 D05 2013 ½-½ 31 Cassens, Erhard Otto 1630 Gehrke, Rolf 1954 D05 2014 0-1 34 Cassens, Erhard Otto 1830 Szudra, Heinz Werner 1960 D05 2015 0-1 31 Cassens, Erhard Otto 1879 Atri, Jamshid 2067 D05 2015 0-1 68 Page 1
Cassens, Erhard Otto (1682) - Biermann Ratjen, Mathias (1749) - Hamburg Seniors-ch 20th (8), Hamburg, 2013 D05 1.d4 d5 2.Nf3 Nf6 3.e3 b6 4.b3 Bb7 5.Bd3 e6 6.O-O Be7 7.Bb2 Nbd7 8.Nbd2 O-O 9.Qe2 Ne4 10.Rac1 f5 11.Ne5 Rf6 12.Ndf3 Bd6 13.c4 Rh6 14.cxd5 exd5 15.g3 Bc8 16.Ne1 Ndf6 17.f3 Ng5 18.Qc2 Nh3+ 19.Kg2 Qe8 20.Kh1 Qh5 21.Qg2 g5 22.Be2 Be6 23.N1d3 Kh8 24.Rc2 Rf8 25.Rfc1 g4 26.Nf4 Nxf4 27.exf4 Rg8 28.Bd1 Qe8 29.fxg4 fxg4 30.Re2 Ne4 31.Re3 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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