[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.02"]
[Round "1"]
[White "Sokolov, Andrei"]
[Black "Sax, Gyula"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2535"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Nb3 O-O 9. Bg5 a6 10. a4 Be6 11. f4 Na5 12. Kh1 Rc8 13. Nxa5 Qxa5 14. Bd3 Rc5 15. f5 gxf5 16. Bd2 Qc7 17. exf5 Bc4 18. Be3 Rc6 19. Rf3 Kh8 20. Qe2 Bxd3 21. cxd3 Rxc3 22. bxc3 Qxc3 23. Raf1 Qe5 24. Rh3 Qd5 25. Bg5 Rg8 26. Rg3 b5 27. axb5 axb5 28. Qxe7 Re8 29. Bxf6 1-0