[Event "Zuerich op"]
[Site "Zuerich"]
[Date "1984.??.??"]
[Round "4"]
[White "Kortschnoj, Viktor"]
[Black "Hug, Werner"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2440"]
[ECO "A65"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 h6 7.Be3 c5 8.d5 e6 9.Qd2 exd5
10.cxd5 Re8 11.Nge2 h5 12.Nc1 Nbd7 13.Be2 a6 14.a4 Nh7 15.Nd3 Ne5 16.Nf2 Bd7
17.O-O Rc8 18.h3 f5 19.f4 Nf7 20.exf5 Bxf5 21.g4 hxg4 22.hxg4 Bd7 23.g5 Bf5
24.Bf3 Rc7 25.Rae1 Rce7 26.Kg2 Qa5 27.Nh1 Bxc3 28.bxc3 Qxa4 29.Ng3 Nf8 30.Nxf5 gxf5
31.Bh5 Kg7 32.Rh1 Ng6 33.c4 Rxe3 34.Rxe3 Nxf4+ 35.Kg3 Nxh5+ 36.Rxh5 Rxe3+
37.Qxe3 Qxc4 38.Qf3 Qc2 39.Rh2 Qc1 40.Qxf5 Qxg5+ 41.Qxg5+ Nxg5 42.Kf4 Nf7  1/2-1/2

