[Event "Las Palmas-07"]
[Site "Las Palmas"]
[Date "1978.??.??"]
[Round "9"]
[White "Westerinen, Heikki MJ"]
[Black "Mariotti, Sergio"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2475"]

1. d3 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. e4 O-O 6. h4 h6 7. Be3 Kh7 8. d4 d6 9. Nf3 Bg4 10. dxe5 Bxf3 11. Qxf3 Bxe5 12. Qe2 f5 13. exf5 Nxf5 14. Bxb7 Nd7 15. Bxa8 Qxa8 16. O-O Bxc3 17. bxc3 Ne5 18. f4 Nxg3 19. Qg2 Qxg2+ 20. Kxg2 Nxf1 21. Rxf1 Nc4 22. Bxa7 Ra8 23. Bf2 Rxa2 24. Re1 Rxc2 25. Re7+ Kg8 26. Rxc7 Rxc3 27. Rd7 Rd3 28. Rc7 d5 29. Rd7 Nd2 30. h5 Ne4 31. Bh4 g5 32. fxg5 hxg5 33. Be1 Nf6 34. Rd6 Nxh5 35. Rg6+ Kf7 36. Rxg5 Nf4+ 37. Kf2 Kf6 38. Rg8 Rb3 39. Bd2 Nd3+ 40. Ke2 Ne5 41. Rf8+ Ke7 42. Rf4 Rb2 43. Rb4 Ra2 44. Ke3 Kd6 45. Bc3 Nc6 46. Rb5 Rh2 47. Bg7 Rh3+ 48. Kf4 Rh4+ 49. Ke3 Re4+ 50. Kd3 Nb4+ 51. Rxb4 1/2-1/2