[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Yerbury, Paul"]
[Black "Wibe, Terje Paul"]
[Result "1/2-1/2"]
[BlackElo "2420"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. O-O Nxb3 7. axb3 d6 8. d4 exd4 9. Qxd4 Bb7 10. Nc3 Ne7 11. Re1 Nc6 12. Qd3 Be7 13. Nd5 O-O 14. c4 b4 15. Bd2 Bf6 16. Nxb4 Nxb4 17. Bxb4 Bxb2 18. Ra2 Bf6 19. Bc3 Re8 20. Rae2 Bxc3 21. Qxc3 Qd7 22. Nd4 g6 23. f3 Re5 24. Nc2 h5 25. Nb4 Rae8 26. Nd3 R5e7 27. Nf4 Re5 28. Nd3 R5e7 29. Nf4 Re5 30. Nd3 1/2-1/2