[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.25"]
[Round "11"]
[White "Ree, Hans"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1-0"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 Nh5 8. Rb1 a6 9. Bd2 e5 10. b4 Kh8 11. Nd5 Ne7 12. Qc2 h6 13. a4 Kh7 14. Rfc1 f5 15. b5 f4 16. Nxe7 Qxe7 17. c5 axb5 18. cxd6 cxd6 19. Rxb5 Ra6 20. Bb4 Rc6 21. Qb1 Qc7 22. Ba3 Nf6 23. Nd2 Rxc1+ 24. Qxc1 Qxc1+ 25. Bxc1 fxg3 26. hxg3 Bd7 27. Rxb7 Bxa4 28. Ba3 Rd8 29. Nc4 Ne8 30. Bd5 h5 31. Bf7 Kh6 32. Bxe8 Rxe8 33. Nxd6 Ra8 34. Bb2 Bc6 35. Rc7 Bd5 36. e4 Bb3 37. Rb7 Rd8 38. Rb6 Kh7 39. Rxb3 Rxd6 40. Rb7 Re6 41. f4 Kg8 42. Kf2 Bf6 43. Bxe5 Bxe5 44. fxe5 Rxe5 45. Kf3 g5 46. d4 Ra5 47. e5 Ra3+ 48. Ke4 h4 49. gxh4 gxh4 50. d5 h3 51. e6 h2 52. Rb1 Rg3 53. Rh1 Rh3 54. d6 Kf8 55. Ke5 Rh5+ 56. Kf6 Rh6+ 57. Kf5 Rh3 58. Kg6 Re3 59. Kf6 Re2 60. Rb1 Rf2+ 61. Ke5 Re2+ 62. Kd5 Rd2+ 63. Kc6 Rb2 64. e7+ 1-0