[Event "IBM"]
[Site "Amsterdam"]
[Date "1962.08.21"]
[Round "6"]
[White "Tan, Hiong Liong"]
[Black "Kool, Gerard J"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. cxd5 exd5 7. Qa4+ Qd7 8. Qb3 Nc6 9. Nc3 Bb4 10. a3 Bxc3+ 11. Qxc3 O-O 12. Qc2 a5 13. b3 Rfe8 14. O-O Ne4 15. Bb2 f6 16. Rac1 Re7 17. Ne1 Nd8 18. Nd3 Rc8 19. Nf4 Ne6 20. Bh3 N4g5 21. Bg4 Qd6 22. h4 Nxf4 23. hxg5 f5 24. Bxf5 Rxe2 25. Qb1 Rd2 26. gxf4 Rf8 27. Rc3 Ba6 28. Bc1 Qxf4 29. Bxd2 Qxd2 30. Qc2 Qxg5+ 31. Rg3 Qxf5 32. Qxf5 Rxf5 33. Rc1 Rf7 34. Rgc3 Rf4 35. Rxc7 Bd3 36. Rd7 h6 37. Rxd5 Rg4+ 38. Kh2 Be4 39. Rd8+ Kh7 40. Re8 Bd5 41. Rb8 Rg2+ 42. Kh3 Rxf2 43. Rxb6 Rd2 44. Rc3 Rxd4 45. Ra6 h5 46. Rg3 h4 47. Rg4 Rd3+ 48. Kxh4 Rxb3 49. Rxa5 Be6 50. Rg1 g6 51. Kg5 Rb7 52. Kf6 Bh3 53. a4 Rb6+ 54. Kg5 Rb7 55. Rh1 Rb3 56. Ra7+ Kg8 57. Kxg6 Kf8 58. Re1 Rg3+ 59. Kf6 Rf3+ 60. Ke5 Bg2 61. a5 Rd3 62. Rb1 Rd5+ 63. Ke6 Rd8 64. Rb6 Bd5+ 65. Kf6 Ke8 66. a6 Bf7 67. Re7+ 1-0