[Event "Olympiad-20 Preliminaries A"]
[Site "Skopje"]
[Date "1972.09.22"]
[Round "4"]
[White "Sloth, Jorn"]
[Black "Saren, Ilkka J"]
[Result "1-0"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 b6 7. Nc3 Bb7 8. Ne5 c6 9. e4 dxe4 10. Nxe4 h6 11. Bf4 Qc8 12. Qf3 Rd8 13. Rfd1 Nxe4 14. Qxe4 a6 15. Bxh6 f5 16. Qe2 Bf6 17. Bf4 Nd7 18. Nxc6 Re8 19. Ne5 Bxg2 20. Kxg2 Nxe5 21. Bxe5 Bxe5 22. dxe5 Qc6+ 23. Kg1 Red8 24. Rac1 Qc7 25. b3 Rxd1+ 26. Rxd1 Rd8 27. Rxd8+ Qxd8 28. h4 Qd4 29. Qe3 Qd8 30. c5 Qd1+ 31. Kh2 bxc5 32. Qxc5 Qe2 33. a3 Kh7 34. Qe3 Qb5 35. b4 Qc4 36. Kg1 Qd5 37. Qe2 Qc6 38. Qd3 Qc1+ 39. Kh2 Qc6 40. Qb3 Qb6 41. Kg1 Qc6 42. Qd1 Qc4 43. Qh5+ Kg8 44. Qe8+ Kh7 45. h5 Qd5 46. Qg6+ Kh8 47. Qe8+ Kh7 48. Qg6+ Kh8 49. h6 gxh6 50. Qxh6+ Kg8 51. Qf6 Kh7 52. Qe7+ Kh8 53. Qf8+ Kh7 54. Qd6 Qc4 55. Qc5 Qa2 56. Qa7+ Kg6 57. Qxa6 Qa1+ 58. Kg2 Qxe5 59. Qc6 Qe2 60. b5 f4 61. b6 fxg3 62. Qf3 Qb5 63. Qxg3+ Kh6 64. Qe3+ Kg7 65. Qxe6 Qg5+ 66. Kf3 Qc5 67. b7 Qb5 68. Qe7+ Kg6 69. Qd6+ Kh5 70. b8=Q Qf5+ 71. Qf4 Qd5+ 72. Qe4 Qf7+ 73. Kg2 Qg7+ 74. Qg3 1-0