[Event "Las Palmas-07"]
[Site "Las Palmas"]
[Date "1978.??.??"]
[Round "8"]
[White "Mariotti, Sergio"]
[Black "Diez del Corral, Jesus"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2360"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 c5 5. c4 cxd4 6. exd4 Nc6 7. Nc3 dxc4 8. d5 Ne5 9. Bxc4 Nxc4 10. Qa4+ Bd7 11. Qxc4 Qa5 12. Ne2 b5 13. Qd4 Bg7 14. O-O O-O 15. a3 Qc7 16. Rad1 Rfd8 17. Qh4 Qe5 18. f4 Qe3+ 19. Kh1 f5 20. Rf3 Qc5 21. Rg3 Kh8 22. d6 Bc6 23. Qxe7 Rd7 24. Qg5 f6 25. Qh5 Rxd6 26. Rxd6 Qxd6 27. Qxf5 Rd8 28. h3 Qe7 29. Rd3 Rxd3 30. Qxd3 Qd7 31. Nd4 f5 32. Qxf5 a6 33. Qxd7 Bxd7 34. Nce2 Kg8 35. Kg1 Kf7 36. Kf2 Ke7 37. Ke3 Kd6 38. Kd3 h5 39. Nc3 h4 40. Ne4+ Kd5 41. Nc3+ Kd6 42. Nf3 Bf5+ 43. Ke3 Bf6 44. Nd4 Bh7 45. Ne4+ Bxe4 46. Kxe4 Kc5 47. b4+ Kc4 48. Nc6 1-0