[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.05.15"]
[Round "14"]
[White "Gavrikov, Viktor"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2635"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bc4 O-O 10. Qe2 Qa5 11. Ba2 exf4 12. Bxf4 Ne5 13. O-O Nxf3+ 14. Qxf3 Bd7 15. Kh1 Rac8 16. Bb3 Bc6 17. Rad1 Qb4 18. Qh3 Rce8 19. Be3 Qa5 20. Rf5 Qc7 21. Qg3 Kh8 22. Bd4 Bd8 23. Rdf1 Rg8 24. Qd3 Rxe4 25. Bxf6 Rg4 26. Nd5 gxf6 27. Rh5 R8g7 28. Rf2 Qa5 29. c3 R4g5 30. Rxg5 Rxg5 31. Bc2 Rg7 32. Re2 Qxd5 33. Re8+ Bxe8 34. Qxd5 Bc6 35. Qxd6 Bb6 36. Qd2 Bxg2+ 37. Qxg2 Rxg2 38. Kxg2 Be3 1/2-1/2