[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.26"]
[Round "12"]
[White "Van den Berg, Carel"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 Nd5 6. Bc4 Nb6 7. Bb3 dxe5 8. fxe5 c5 9. Nf3 O-O 10. O-O cxd4 11. cxd4 Nc6 12. Nc3 Bg4 13. Ne2 Na5 14. Bc2 Qc7 15. h3 Bxf3 16. Rxf3 Rad8 17. Bf4 Nd5 18. Bg3 Qb6 19. Rb1 Nb4 20. Bb3 Nac6 21. Qf1 Nxd4 22. Nxd4 Qxd4+ 23. Kh1 e6 24. Rd1 Qb6 25. Rxd8 Qxd8 26. Qb5 Qb6 27. Qxb6 axb6 28. Bf2 Bxe5 29. Bxb6 Rc8 0-1