[Event "Dortmund"]
[Site "Dortmund"]
[Date "1979.??.??"]
[Round "4"]
[White "Schussler, Harry"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2500"]
[ECO "A70"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bf4 a6 8.a4 Bg7 9.Nf3 O-O
10.Nd2 Nh5 11.Be3 Nd7 12.Be2 Ne5 13.g4 f5 14.gxh5 f4 15.Bxc5 dxc5 16.Nf3 Nxf3+
17.Bxf3 Bd4 18.hxg6 hxg6 19.h4 Qf6 20.Ke2 Bd7 21.Qg1 Rae8 22.d6 Be6 23.Kd2 Bb3
24.d7 Rd8 25.Rc1 Rxd7 26.Ke1 Re8 27.a5 Bc4 28.Qg4 Qd6 29.Rd1 Rde7 30.Rd2 Qf6
31.Rg1 Re6 32.Ne2 Bxb2 33.Kf1 Bd4 34.Kg2 Bxe2 35.Rxe2 Kg7 36.Rb1 R8e7 37.Rc2 Rc6
38.e5 Qe6 39.Qxe6 Rcxe6 40.Rxb7 Rxe5 41.Rxe7+ Rxe7 42.Be2 Kf6 43.Bxa6 Ra7
44.Bc4 Rxa5 45.Ra2 Rxa2 46.Bxa2 Kf5 47.Kf3 Bf6 48.Bb1+ Ke5 49.Bxg6 Bxh4 50.Ke2 Kd4
51.f3 1/2-1/2