[Event "58th Biel ATO 2025"]
[Site "Biel SUI"]
[Date "2025.07.22"]
[Round "7.39"]
[White "Muehlemann, Walter"]
[Black "Christoffersen, Odd"]
[Result "0-1"]
[WhiteElo "1624"]
[BlackElo "1728"]
[ECO "C42"]
[PlyCount "86"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bc4 Be7 6.O-O d5 7.Bb3 O-O 8.Re1 Bg4 9.d4 Re8 10.Nbd2 Nf6 11.c4 Nc6 12.cxd5 Nxd4 13.Ne4 Nxe4 14.Qxd4 Bxf3 15.gxf3 Nd6 16.Bf4 Bf6 17.Rxe8+ Qxe8 18.Qd2 Qd7 19.Re1 Nf5 20.Bg3 Nd4 21.Qd3 h5 22.Re4 Nf5 23.Qc2 Rc8 24.Kg2 Nd4 25.Qd3 Ne6 26.Qc4 Ng5 27.Rh4 g6 28.Qf4 Nh7 29.Rxh5 gxh5 30.Qh6 Qf5 31.h4 b5 32.Qe3 a5 33.Qe2 Qd7 34.Qd3 Nf8 35.Bc2 Rd8 36.Qe3 a4 37.Be4 Kg7 38.Be5 Ng6 39.Bxf6+ Kxf6 40.Qg5+ Kg7 41.Qxh5 Qe7 42.Qg4 Qxh4 43.Bxg6 Qxg4+ 0-1