[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.21"]
[Round "8"]
[White "Van den Berg, Carel"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb4 7. d5 c6 8. a3 Qa5 9. Nc3 cxd5 10. Be3 N4c6 11. exd5 Ne5 12. Ne2 O-O 13. O-O Bg4 14. f3 Bf5 15. Bd4 Qa6 16. h3 Rc8 17. f4 Nc4 18. b3 Nd6 19. Bxg7 Kxg7 20. Qd4+ Kg8 21. Rfc1 Nd7 22. g4 Bd3 23. Qe3 Qb6 24. Qxb6 Nxb6 25. Kf2 Rc5 26. Na2 Bc2 27. Nb4 Rac8 28. Rxc2 Rxc2 29. Nxc2 Rxc2 30. Rc1 Rb2 31. a4 Rxb3 32. Rc7 Kf8 33. Nc3 Rb2+ 34. Kg3 Rc2 35. a5 Na4 0-1