[Event "Las Palmas-03"]
[Site "Las Palmas"]
[Date "1974.??.??"]
[Round "2"]
[White "Hartston, William R"]
[Black "Larsen, Bent"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Qc7 8. f4 Be7 9. Kh1 Nc6 10. Be3 Bd7 11. Qe1 b5 12. a3 O-O 13. Qg3 Nxd4 14. Bxd4 Bc6 15. Bd3 Qb7 16. Rae1 Rad8 17. Qh3 h6 18. Re3 b4 19. axb4 Qxb4 20. Ne2 Qb7 21. Nc3 Qb4 22. Ne2 Bb5 23. Rg3 Kh8 24. Bc3 Qc5 25. Rg5 d5 26. Ng3 Qc8 27. Rxg7 Kxg7 28. Nh5+ Kh7 29. Nxf6+ Bxf6 30. exd5+ Bxd3 31. Qxd3+ Kg7 32. Qg3+ Kh7 33. Qd3+ Kg7 34. Qg3+ Kh7 35. Bxf6 Rg8 36. Qd3+ Rg6 37. Bxd8 Qxd8 38. d6 Qd7 39. Rf3 f5 40. Rg3 Qa4 41. Qd1 Rf6 42. d7 Rf8 43. Rd3 Rd8 44. Rd4 Qc6 45. h3 Kg6 46. Qd3 Kf7 47. Kh2 a5 48. b3 Ke7 49. Qg3 Kf7 50. Qd3 Ke7 51. Qd2 Qc7 52. c4 Qc5 53. Rd3 Qc7 54. Kh1 h5 55. Qc3 Rxd7 56. Qg7+ Ke8 57. Qg8+ Ke7 58. Qg5+ Ke8 59. Qg8+ Ke7 60. Qg5+ Ke8 61. Qxh5+ Rf7 62. Qh8+ Rf8 63. Qd4 Rg8 64. Qf6 Qe7 65. Qe5 a4 66. Qb5+ Kf8 67. Rd7 1-0