[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.17"]
[Round "5"]
[White "Olafsson, Fridrik"]
[Black "Ree, Hans"]
[Result "1-0"]
1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 a5 8. a4 O-O 9. Na3 d5 10. e4 d4 11. Nc4 Rb8 12. cxd4 cxd4 13. Bd2 f6 14. Qb3 Be6 15. Rfc1 Nc8 16. Bh3 Bf7 17. Qb5 N8a7 18. Qb6 Bxc4 19. Qxd8 Rfxd8 20. Rxc4 Kf7 21. Rac1 Bf8 22. Ne1 Bd6 23. f4 h6 24. Nf3 Rh8 25. Kf1 Rbe8 26. Ke2 Kg7 27. Ne1 Rhf8 28. fxe5 fxe5 29. Nc2 Re7 30. Rf1 Rxf1 31. Kxf1 Rc7 32. Ke2 h5 33. Be6 Nd8 34. Rxc7+ Bxc7 35. Bd5 Nac6 36. Na3 Kf6 37. h4 Ke7 38. Nc4 Ke8 39. Bg5 b6 40. Bf6 Kf8 41. Kf3 Ke8 42. Ke2 Kd7 43. Nd2 Nb4 44. Bc4 Nbc6 45. Nf3 Kd6 46. Bg8 Ne6 47. Bf7 Nf8 48. Nd2 Kc5 49. Bg7 Bd6 50. Bxf8 Bxf8 51. Bxg6 Kb4 52. Bxh5 Nd8 53. Be8 Ne6 54. Nc4 Kb3 55. Nxb6 Kxb2 56. Nc4+ Kb3 57. Nxe5 Bd6 58. Ng6 Bxg3 59. h5 Nf4+ 60. Nxf4 Bxf4 61. Kf3 Be5 62. Kg4 1-0