[Event "Tilburg"]
[Site "Tilburg"]
[Date "1981.??.??"]
[Round "?"]
[White "Sosonko, Gennadi"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2585"]
[BlackElo "2620"]
[ECO "E15"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 d5 6.Bg2 Be7 7.Ne5 O-O 8.O-O c5
9.Nb3 Bb7 10.dxc5 bxc5 11.cxd5 Bxd5 12.Bf4 Qb6 13.Qc2 Na6 14.e4 Nb4 15.Qe2 Bb7
16.Nc4 Qb5 17.Nba5 Ba6 18.a3 Qxa5 19.axb4 Qb5 20.Rfc1 cxb4 21.Qe1 Rac8 22.Bf1 Bb7
23.Rxa7 Nxe4 24.Na5 Rxc1 25.Bxc1 Qf5 26.Nxb7 Rc8 27.Be3 Qe5 28.Na5 Bc5 29.Nc4 Qd5
30.Ra5 Ng5 31.Bxg5 Qxg5 32.Qe5  1-0

