[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.12.05"]
[Round "13"]
[White "Byrne, Donald"]
[Black "Campos Lopez, Mario"]
[Result "1-0"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. d3 e5 6. e3 Nge7 7. Nge2 O-O 8. O-O Rb8 9. b3 d6 10. Bb2 a6 11. Qd2 Bh6 12. Rad1 Nd4 13. f4 Nxe2+ 14. Qxe2 Be6 15. Ne4 f5 16. Ng5 Bc8 17. Nf3 exf4 18. exf4 Re8 19. d4 Nc6 20. Qd2 Bg7 21. dxc5 dxc5 22. Qf2 Qa5 23. Bxg7 Kxg7 24. Qb2+ Nd4 25. Nxd4 cxd4 26. Rxd4 Kh6 27. Rd5 Qb6+ 28. c5 Qc7 29. h3 Bd7 30. Qf6 Re6 31. Qf7 1-0