[Event "Las Palmas-05"]
[Site "Las Palmas"]
[Date "1976.??.??"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Debarnot, Roberto Luis"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2350"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Bd6 10. Bg3 Bxg3 11. hxg3 d4 12. O-O-O e5 13. exd4 exd4 14. Nb5 Bg4 15. Nbxd4 Bxf3 16. Nxf3 Qc7 17. Kb1 Ne5 18. Nxe5 Qxe5 19. Bd3 h6 20. Qe2 Qc5 21. Qf3 a5 22. Qf5 Qxf5 23. Bxf5 g6 24. Bc2 Kg7 25. Rhe1 Rfe8 26. Ba4 Re4 27. Bb5 Rd8 28. Kc2 Rxd1 29. Kxd1 b6 30. Rxe4 Nxe4 31. Ke2 Kf6 32. Ke3 Nd6 33. Kd4 Ke6 34. Ba4 Nf5+ 35. Kd3 Kd6 36. b4 axb4 37. axb4 Ng7 38. Bd1 Ne6 39. Bf3 Nc7 40. Kc3 f5 41. Bb7 Ne6 42. Bd5 Nc7 43. Bg8 g5 44. f4 Ne8 45. Bh7 Ng7 46. Bg6 Ke6 47. Kd4 Kf6 48. Bh7 Ne6+ 49. Kd5 gxf4 50. Bg8 Nf8 51. gxf4 Ng6 52. Kd6 Nxf4 53. c5 bxc5 54. b5 1-0