[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Gamarra Caceres, Carlos"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]
[BlackElo "2550"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6 11. Qh3 Nb6 12. f5 e5 13. Nb3 Bd7 14. Be3 Nc4 15. Bxc4 Qxc4 16. Nd2 Qc7 17. Bg5 Bc6 18. Kb1 b5 19. Bxf6 Bxf6 20. Nd5 Bxd5 21. exd5 Rc8 22. Qd3 Ke7 23. Ne4 Qc4 24. Rhe1 Qxd3 25. cxd3 Kd7 26. Rc1 Bg5 27. Rxc8 Rxc8 28. g3 b4 29. h4 Be7 30. Rc1 Rb8 31. Rc6 Rb5 32. Rxa6 Rxd5 33. Ra7+ Kd8 34. Ra8+ Kd7 35. Ra7+ Kd8 36. Ra8+ 1/2-1/2