[Event "Candidats qf1"]
[Site "Bad Kissingen"]
[Date "1983.??.??"]
[Round "5"]
[White "Kortschnoj, Viktor"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2620"]
[ECO "A33"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 e6 6.Ndb5 d5 7.Bf4 e5 8.cxd5 exf4
9.dxc6 bxc6 10.Qxd8+ Kxd8 11.Rd1+ Bd7 12.Nd6 Kc7 13.Nxf7 Rg8 14.Ne5 Rb8 15.Nxd7 Nxd7
16.g3 Rxb2 17.Bh3 Nc5 18.O-O Rc2 19.Rc1 Rxc1 20.Rxc1 fxg3 21.hxg3 Be7 22.Bg2 Rb8
23.Rc2 Rb4 24.e3 Rc4 25.Bf1 Rb4 26.Ne2 Rb1 27.Nd4 Kb6 28.Nf3 Nd3 29.Kg2 Nb4
30.Rd2 Kc7 31.Bc4 Bf6 32.a3 Rc1 33.Be6 Na6 34.Bf5 Nc5 35.Bxh7 Ra1 36.Rc2 Be7
37.Nd4 Rxa3 38.Kf3 Bf6 39.Rc4 a5 40.Kg2 Kb6 41.Bg6 Bxd4 42.exd4 Na6 43.f4 Nb4
44.Bf7 Ra2+ 45.Kf3 Rb2 46.f5 a4 47.g4 a3 48.g5 a2 49.Rxb4+ Rxb4 50.Bxa2 Rxd4
51.f6 gxf6 52.gxf6  1/2-1/2

