[Event "IBM"]
[Site "Amsterdam"]
[Date "1963.??.??"]
[Round "7"]
[White "Kuijpers, Frans"]
[Black "Langeweg, Kick"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. a3 Nf6 8. Be2 Bd6 9. h3 O-O 10. O-O Bf4 11. Qd2 Bxe3 12. Qxe3 d6 13. Rad1 Rd8 14. Nb3 b5 15. f4 Bb7 16. Bf3 Nd7 17. f5 Qb6 18. Qxb6 Nxb6 19. fxe6 fxe6 20. e5 d5 21. Nc5 Bc8 22. Bg4 Re8 23. Rfe1 Nc4 24. Nd3 Ra7 25. Nb1 Rc7 26. Nd2 Nxd2 27. Rxd2 Na5 28. c3 Nc4 29. Rde2 Ree7 30. Nc1 Bd7 31. Nb3 Be8 32. Nd4 Bf7 33. h4 Rb7 34. Ra1 Rb6 35. Kh2 Bg6 36. b3 Na5 37. Rc1 h6 38. Rf2 Be4 39. Rcf1 Nc6 40. Bxe6+ Kh7 41. Rf8 Nxe5 42. Bg8+ Kg6 43. Ne2 Nd3 44. g4 Rf6 45. Kg3 Rxf1 46. Rxf1 h5 47. g5 Bf5 48. Nd4 Bg4 49. Rf8 Nc1 50. Bxd5 Ne2+ 51. Nxe2 Bxe2 52. Kf4 Bd3 53. Rc8 Re1 54. Rc6+ Kh7 55. Rxa6 Rg1 56. Ra8 Rg4+ 57. Ke3 1-0