[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1967.01.14"]
[Round "4"]
[White "Langeweg, Kick"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 8. c5 c6 9. Bd3 b6 10. cxb6 c5 11. O-O c4 12. Bb1 Nxb6 13. Ne5 Bb7 14. f4 Nfd7 15. Qh5 f5 16. Nf3 Nf6 17. Bxf6 Bxf6 18. g4 g6 19. Qh3 Bc6 20. Ne5 Bxe5 21. fxe5 Na4 22. Nxa4 Bxa4 23. gxf5 gxf5 24. Kh1 Kh8 25. Rg1 Rg8 26. b3 cxb3 27. axb3 Bb5 28. Rxg8+ Qxg8 29. Qh5 Qg7 30. Rg1 Qe7 31. Qf3 Rc8 32. h3 Rg8 33. Rxg8+ Kxg8 34. Kh2 Qb4 35. Qg2+ Kf8 36. Qf2 Ke8 37. Bc2 Kd7 38. Bd1 Qc3 39. Kg3 Bd3 40. Kf4 h6 41. Kg3 1/2-1/2