[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1977.01.19"]
[Round "5"]
[White "Sigurjonsson, Gudmundur"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2430"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Rb8 13. Be2 Bg5 14. O-O Be6 15. Qd3 f5 16. Bf3 g6 17. Rfd1 Qd7 18. Ncb4 Nxb4 19. Nxb4 a5 20. Qxd6 Qxd6 21. Rxd6 axb4 22. Rxe6 bxc3 23. bxc3 fxe4 24. Bxe4 Bd2 25. Bd5 Kh8 26. c4 bxc4 27. Bxc4 Bc3 28. Rf1 Bd4 29. h3 1/2-1/2