[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.08"]
[Round "6"]
[White "Martin Gonzalez, Angel"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2590"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. f4 Nxd4 7. Qxd4 b5 8. Be2 Bb7 9. O-O Rc8 10. Qd3 Qc7 11. a3 Nf6 12. Bf3 d6 13. Kh1 Nd7 14. f5 Ne5 15. Qe2 Qc4 16. fxe6 Qxe6 17. a4 b4 18. Nd5 Be7 19. Bd2 Nxf3 20. Qxf3 O-O 21. Bxb4 Rxc2 22. Bc3 f5 23. Rae1 Bh4 24. Re3 Rf7 25. Qh3 Bg5 26. Ree1 Bxd5 27. exd5 Qxd5 28. Re8+ Rf8 29. Rxf8+ Kxf8 30. Qxf5+ Qxf5 31. Rxf5+ Ke7 32. h3 Bf6 33. Bxf6+ gxf6 34. Rh5 Ke6 35. Rxh7 d5 36. Ra7 d4 37. Rxa6+ Ke5 38. Ra8 Rxb2 39. a5 d3 40. Kh2 Rb7 41. Rd8 Ke4 42. a6 Re7 43. Kg3 Ke3 44. Kg4 d2 45. Kf5 Re5+ 46. Kxf6 Ra5 47. g4 Rxa6+ 48. Kf7 Ra7+ 49. Kf6 Ra8 50. Rxd2 Kxd2 1/2-1/2