[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.13"]
[Round "2"]
[White "Langeweg, Kick"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 c5 6. Bg2 d6 7. d4 Ne4 8. O-O Nc6 9. e3 Bg4 10. Qc1 Nb4 11. Ne1 Nf6 12. Bxb7 Rb8 13. Bf3 Nd3 14. Nxd3 Bxf3 15. Qc2 cxd4 16. exd4 e6 17. Nd2 Ba8 18. Rae1 Qa5 19. f3 Rfc8 20. Bc3 Qb6 21. Nf2 h5 22. Qd3 Qa6 23. a4 Nd5 24. Ba1 Nb4 25. Qc3 Nc6 26. Qe3 Nb4 27. Rc1 Qb6 28. c5 Qc6 29. Rc4 Nd5 30. Qe2 Qa6 31. Nfe4 Nc3 32. Bxc3 d5 33. Nd6 dxc4 34. Nxc8 Rxc8 35. Qxc4 Qc6 36. Ne4 Rb8 37. Nd6 Qd7 38. Nb5 a6 39. Nd6 Bd5 40. Qxa6 Rxb3 41. Ba1 Kh7 42. Qc8 Qxc8 43. Nxc8 Ra3 44. Bb2 Rxa4 45. Nb6 Ra2 46. Bc3 Bc6 47. d5 exd5 48. Bxg7 Kxg7 49. Rf2 Ra1+ 50. Rf1 Ra3 51. Rc1 d4 52. Nc4 Rc3 0-1