[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1978.??.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Sosonko, Gennadi"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2575"]
[ECO "D06"]

1.Nf3 d5 2.d4 Nf6 3.c4 c5 4.cxd5 cxd4 5.Qxd4 Qxd5 6.Nc3 Qxd4 7.Nxd4 a6 8.g3 Bd7
9.Bg2 e5 10.Nc2 Bc6 11.O-O Bxg2 12.Kxg2 Nbd7 13.Rd1 Rc8 14.Ne3 Bc5 15.Ned5 Bd4
16.Be3 Bxc3 17.Nxc3 Ke7 18.Rd2 Rc6 19.Rad1 Nb6 20.Bxb6 Rxb6 21.f4 exf4 22.gxf4 Rc8
23.Kf3 Ke6 24.Rd3 Ke7 25.R1d2 Ke8 26.e4 Ng8 27.Nd5 Rbc6 28.a4 Nf6 29.Ne3 g6
30.Rb3 b6 31.Rbd3 Ng8 32.Nd5 Ne7 33.Nc3 R8c7 34.Ke2 Rc4 35.Rh3 h5 36.Rhd3 Rb4
37.Kf3 f5 38.Rd7 Rxb2 39.Rxe7+ Kxe7 40.Nd5+ Kd6 41.e5+ Ke6 42.Rxb2 Kxd5 43.Rd2+ Ke6
44.Rd6+ Kf7 45.Rf6+ Kg7 46.Rxb6 Rc3+ 47.Kg2 Rc4 48.Rxa6 Rxf4 49.Ra7+ Kf8
50.a5 Ra4 51.a6  1-0

