[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.19"]
[Round "7"]
[White "Kuijpers, Frans"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Nbc6 8. a4 Qa5 9. Qd2 Bd7 10. Bd3 c4 11. Be2 f6 12. Ba3 O-O 13. O-O Rf7 14. Rab1 b6 15. exf6 Rxf6 16. Ne5 Be8 17. f4 Nf5 18. Nxc6 Bxc6 19. g4 Rg6 20. Kh1 Nh6 21. g5 Nf5 22. Ra1 Bxa4 23. Bh5 Be8 24. Qe1 Qa4 25. Rf2 Qd7 26. Re2 Bf7 27. Re5 Qa4 28. Bd1 h5 29. Bb2 Qb5 30. Bc1 h4 31. Bh5 Qd7 32. Bxg6 Bxg6 33. Rxe6 Kf7 34. Re5 Rh8 35. h3 Ng3+ 36. Kh2 Bxc2 37. Ba3 Nf5 38. g6+ Kxg6 39. Qe2 Be4 40. Qg4+ Kh7 41. Re7 Qa4 42. Rxe4 Nh6 43. Qe6 dxe4 44. Qxe4+ Kg8 45. d5 Nf7 46. Qg2 Nd6 47. Rg1 Nf5 48. Qg6 Qc2+ 49. Rg2 Qe4 50. Qe6+ Qxe6 51. dxe6 Kh7 52. e7 Re8 53. Rd2 Kg6 54. Rd7 Kf6 55. Rxa7 Nxe7 56. Rc7 Nd5 57. Rxc4 Kf5 58. Bd6 Re2+ 59. Kg1 Re6 60. Bb8 Re8 61. Bd6 Re6 62. Bc7 Re3 63. Kh2 Re8 64. Bd6 Re2+ 65. Kg1 Re3 66. Rc8 Rxc3 67. Re8 Re3 68. Rg8 Rxh3 69. Kf2 Rh2+ 70. Kf3 Rh3+ 71. Ke2 Rg3 72. Rh8 Kg4 73. Rh7 g6 74. Rh6 Nxf4+ 75. Bxf4 Kxf4 76. Rxh4+ Rg4 77. Rh8 Kg5 0-1