[Event "Bern (Switzerland)"] [Site "Bern (Switzerland)"] [Round "7"] [White "R Blau"] [Black "A Ammann"] [Result "1/2-1/2"] [WhiteElo "0"] [BlackElo "0"] [ECO "C55"] [Opening "Two Knights: 4.d4 exd4"] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Bg5 Be7 6.Bxf6 Bxf6 7.c3 dxc3 8.bxc3 O-O 9.Na3 Bxc3+ 10.Nd2 Bxa1 11.Qxa1 Re8 12.O-O d6 13.Nf3 Ne5 14.Be2 Nxf3+ 15.Bxf3 Qg5 16.g3 Bh3 17.Re1 Re7 18.Qb1 g6 19.Qxb7 Rae8 20.Bh1 d5 21.f4 Qg4 22.Qxd5 Qe6 23.Qxe6 Rxe6 24.Nb5 R6e7 25.Nxa7 f5 26.Nc6 Re6 27.Ne5 fxe4 28.Bxe4 Bf5 29.Bd5 Kg7 30.Bxe6 Rxe6 31.Rc1 Re7 32.a4 g5 33.a5 gxf4 34.gxf4 Be4 35.Kf2 Kf6 36.Kg3 Rg7+ 37.Ng4+ Kf5 38.h3 h5 39.Rc5+ Ke6 40.Rxh5 Bf5 41.Rxf5 Kxf5 42.h4 c5 43.Kf3 Rxg4 44.h5 Rxf4+ 45.Ke3 Rh4 46.Kd3 Ke5 47.a6 Rxh5 48.Kc4 Kd6 49.a7 Rh8 50.Kb5 Ra8 51.Kb6 c4 52.Kb7 Rxa7+ 53.Kxa7 c3 54.Kb6 c2 55.Kb5 c1=Q 56.Kb4 Kc6 57.Kb3 Kc5 58.Ka2 Kc4 {#d} 1/2-1/2