[Event "Amsterdam OHRA"]
[Site "Arnhem NED"]
[Date "1983.07.20"]
[EventDate "1983.07.15"]
[Round "5"]
[Result "1-0"]
[White "Hans Ree"]
[Black "Paul Boersma"]
[ECO "E83"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "125"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6
7. Nge2 a6 8. Qd2 Re8 9. Rc1 Bd7 10. b3 Qb8 11. Ng3 e5 12. d5
Nd4 13. Nce2 c5 14. dxc6 Nxc6 15. Nc3 Nd4 16. Nge2 Qa7 17. Kf2
b5 18. Rd1 b4 19. Nb1 Bc6 20. Nxd4 exd4 21. Bxd4 Qe7 22. Be2
Bxe4 23. Rhe1 Bxb1 24. Rxb1 Nd7 25. Bxg7 Kxg7 26. Bf1 Qf6
27. Rxe8 Rxe8 28. Rd1 Nc5 29. Kg1 a5 30. Qxd6 Qxd6 31. Rxd6 a4
32. Rb6 axb3 33. axb3 Re3 34. Rxb4 Nxb3 35. Kf2 Rc3 36. Be2
Nc1 37. Bf1 Nb3 38. h4 h6 39. Rb7 Rc2+ 40. Ke3 Nc5 41. Rb5 Ne6
42. g3 g5 43. hxg5 hxg5 44. Bd3 Rc1 45. g4 Kf6 46. Kd2 Ra1
47. Be4 Ra3 48. Rd5 Ke7 49. Kc2 Ra1 50. Kb2 Ra7 51. Kc3 Ra6
52. Kb4 Ra1 53. Bf5 Rf1 54. Rd3 Nf4 55. Re3+ Kd6 56. c5+ Kc6
57. Be4+ Nd5+ 58. Bxd5+ Kxd5 59. Rd3+ Ke6 60. c6 Rc1 61. Kb5
f5 62. gxf5+ Kxf5 63. Kb6 1-0