[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1964.01.10"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "De Rooi, Paul"]
[Result "1/2-1/2"]

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. Nf3 Bg7 7. e4 a6 8. a4 Bg4 9. Be2 Nd7 10. Nd2 Bxe2 11. Qxe2 Ne7 12. O-O O-O 13. Nc4 Ne5 14. Ne3 f5 15. f4 Nd7 16. exf5 gxf5 17. Nc4 Rf6 18. Qd3 Rg6 19. Bd2 Qf8 20. Rae1 Bd4+ 21. Be3 Qg7 22. Kh1 Rf8 23. Bf2 Rf7 24. Re2 Bxf2 25. Rfxf2 Qd4 26. Rf3 Kf8 27. g3 Nc8 28. Re6 Ndb6 29. Nxb6 Nxb6 30. Qxd4 cxd4 31. Ne2 Nxd5 32. Nxd4 Rc7 33. Re2 Rc1+ 34. Kg2 Rc4 35. Rd2 Rxa4 36. Nxf5 Nxf4+ 37. Kf1 Rf6 38. Nxd6 Ra1+ 39. Kf2 Nh3+ 40. Kg2 Rg1+ 41. Kxh3 Rxf3 42. Nxb7 Ra1 43. Nc5 Ra2 44. Kg4 Rf1 45. h4 Rc1 46. Rf2+ Ke7 47. Re2+ Kd6 48. Ne4+ Kc6 49. Nf6 Rb1 50. Re6+ Kc5 51. Nxh7 Rbxb2 52. Ng5 Rc2 53. Rg6 1/2-1/2