[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.10"]
[Round "14"]
[White "Wong, Sheldon MA"]
[Black "Chavez, Romelio"]
[Result "1/2-1/2"]
[BlackElo "2265"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 d5 5. Nbd2 Ne7 6. c4 d4 7. O-O O-O 8. b4 Nd7 9. Nb3 Rb8 10. a4 b6 11. Ba3 Nf5 12. a5 Re8 13. b5 Bb7 14. axb6 axb6 15. Bb2 Ra8 16. Qc2 Qe7 17. Rxa8 Rxa8 18. Ra1 Qb4 19. Rxa8+ Bxa8 20. Bc1 Bxf3 21. Bxf3 Bh6 22. Bxh6 Nxh6 23. Qa2 Kg7 24. Kg2 Nf6 25. h3 Nf5 26. Nd2 h5 27. Be4 Nxe4 28. Nxe4 Nd6 29. Nxd6 Qxd6 30. Qa8 1/2-1/2