[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.18"]
[Round "5"]
[White "Kuijpers, Frans"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. Nf3 Bg7 6. g3 O-O 7. Bg2 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 a6 11. a4 Nbd7 12. a5 Rb8 13. Nc4 Ne5 14. Nb6 Ned7 15. Nc4 Ne5 16. Nb6 Nfd7 17. Nxc8 Rxc8 18. Bh3 Rb8 19. Ra4 1/2-1/2