[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.26"]
[Round "11"]
[White "Langeweg, Kick"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bg4 10. O-O Na6 11. h3 Bxf3 12. Rxf3 Nc7 13. f5 Nd7 14. Ne4 Ne8 15. Bg5 Ndf6 16. Qc2 h6 17. Bxf6 Nxf6 18. Nxf6+ Qxf6 19. fxg6 Qxg6 20. Bd3 Qg5 21. Raf1 Be5 22. Kh1 Rae8 23. b3 Re7 24. Bf5 h5 25. Qf2 Rfe8 26. Bb1 h4 27. Rxf7 Qg3 28. Rf8+ Kg7 29. Qf7+ Kh6 30. Rf6+ Bxf6 31. Qxf6+ Kh5 32. Qf5+ Qg5 33. Qf3+ Kh6 34. Rf6+ Kg7 35. Rg6+ Qxg6 36. Bxg6 Kxg6 37. Qg4+ Kf7 38. Qf4+ Kg8 39. Qxh4 Rg7 40. Qf6 Re2 1/2-1/2