[Event "Teeside"]
[Site "Teeside"]
[Date "1972.??.??"]
[Round "3"]
[White "Bilek, Istvan"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2630"]
[ECO "A15"]

1.c4 Nf6 2.g3 c6 3.d3 d5 4.Nd2 e5 5.Bg2 Bc5 6.cxd5 cxd5 7.Nb3 Bb6 8.Nf3 Nc6
9.O-O O-O 10.Bg5 h6 11.Bxf6 Qxf6 12.Nfd2 Rd8 13.Kh1 Bg4 14.Rc1 Qe7 15.Nb1 e4
16.d4 a5 17.f3 exf3 18.exf3 Bf5 19.Nc3 a4 20.Nc5 Nxd4 21.Nd3 Ne6 22.Re1 Ba5
23.Re5 Bxc3 24.bxc3 Qf6 25.f4 Be4 26.Qe2 Bxg2+ 27.Kxg2 Rac8 28.Nb4 Nd4 29.Nxd5 Rxd5
30.cxd4 Rxc1 31.Rxd5 Qc6 32.Qe4 Qc2+ 33.Qxc2 Rxc2+ 34.Kf3 Rxa2 35.Rb5 Ra3+
36.Ke4 Rb3 37.Ra5 b5 38.d5 Kf8 39.d6 Ke8 40.Ke5 a3 41.Ra8+  1/2-1/2

