[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1980.01.26"]
[Round "9"]
[White "Sigurjonsson, Gudmundur"]
[Black "Sunye Neto, Jaime"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2415"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Bg5 Be6 10. f4 exf4 11. Bxf4 Nc6 12. Kh1 Rc8 13. Qe1 Nd7 14. Rd1 Nde5 15. Nd5 Re8 16. c4 Bg5 17. Bg3 Bxd5 18. Rxd5 Qe7 19. a3 Rcd8 20. Qf2 Bf6 21. Rfd1 Ng6 22. Bxd6 Qxe4 23. Bd3 Qe3 24. Qxe3 Rxe3 25. Nc5 Bxb2 26. Nxb7 Rde8 27. h3 Nge5 28. a4 Nxd3 29. R5xd3 h5 30. Rxe3 Rxe3 31. Rb1 Bd4 32. Bc5 Rc3 33. Bxd4 Nxd4 34. Nd6 1/2-1/2