[Event "Las Palmas-05"]
[Site "Las Palmas"]
[Date "1976.??.??"]
[Round "3"]
[White "Menvielle Laccourreye, Augusto"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[BlackElo "2625"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. b3 Nd4 6. Nxd4 cxd4 7. Bb2 a6 8. Be2 Nc6 9. f4 Bc5 10. Kh1 O-O 11. d3 f5 12. Nd2 d6 13. a3 Bd7 14. Qe1 Ne7 15. Qg3 Nc6 16. Rae1 Qf6 17. b4 Bb6 18. Nc4 Bc7 19. e5 dxe5 20. Nxe5 Be8 21. Bf3 Rd8 22. Re2 Bb8 23. Qf2 Bxe5 24. Bxc6 Bxc6 25. Rxe5 Qg6 26. Re2 Qf6 27. Re5 Qg6 28. Rg1 Rf6 29. h3 Qh5 30. Kh2 g5 31. Bxd4 g4 32. Rd5 Rxd5 33. Bxf6 Kf7 34. Bb2 Rd8 35. h4 g3+ 36. Qxg3 Rg8 37. Qf2 Qg4 38. g3 Qf3 39. Qxf3 Bxf3 40. Re1 Rc8 41. Rc1 Bc6 42. Be5 h5 43. Kg1 Ke7 44. Kf2 b5 45. Bd4 Rb8 46. Re1 Kd7 47. c4 Rc8 48. Re5 Rg8 49. Rc5 Rf8 50. Bg7 Rg8 51. Be5 Rc8 52. a4 bxc4 53. dxc4 Bxa4 54. Ra5 Bb3 55. Rxa6 Rxc4 56. Ra7+ Kc6 57. Rc7+ Kd5 58. b5 Rxc7 59. Bxc7 1/2-1/2