[Event "52nd Sparkassen Open B"]
[Site "Dortmund GER"]
[Date "2025.08.04"]
[Round "3.5"]
[White "Kemna, Martin"]
[Black "Jacobasch, Ronja"]
[Result "1-0"]
[WhiteElo "1933"]
[BlackElo "1871"]
[ECO "E20"]
[PlyCount "79"]

1.c4 Nf6 2.d4 e6 3.Nc3 Bb4 4.Bd2 O-O 5.Qc2 d5 6.e3 b6 7.cxd5 exd5 8.Nf3 Bb7 9.Bd3 c5 10.dxc5 Bxc5 11.O-O-O Nc6 12.a3 h6 13.Rhg1 Ne7 14.Kb1 Rc8 15.g4 Ne4 16.g5 Nxd2+ 17.Rxd2 h5 18.g6 fxg6 19.Ne5 Rf6 20.Nxg6 Nxg6 21.Bxg6 Qe7 22.Qb3 Qe6 23.Bxh5 Qf5+ 24.e4 Qxh5 25.Rxd5 Bxd5 26.Nxd5 Qf7 27.Nxf6+ Kf8 28.Qxf7+ Kxf7 29.Nd5 Bd6 30.f4 Re8 31.Re1 Bc5 32.b4 Bf2 33.Re2 Bh4 34.Kc2 Bd8 35.h3 Re6 36.b5 Re8 37.Kd3 Rh8 38.Re3 g5 39.f5 Re8 40.e5 1-0