[Event "San Antonio"]
[Site "San Antonio"]
[Date "1972.11.30"]
[Round "9"]
[White "Byrne, Donald"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]

1. g3 d5 2. Nf3 c5 3. Bg2 Nf6 4. O-O Nc6 5. d4 e6 6. c4 cxd4 7. Nxd4 Be7 8. cxd5 exd5 9. Nc3 O-O 10. b3 Bg4 11. h3 Be6 12. Bb2 Qd7 13. Kh2 Rfd8 14. Rc1 Rac8 15. Qd3 Nxd4 16. Qxd4 Bc5 17. Qf4 Bd6 18. Qd4 Bc5 19. Qf4 Bd6 20. Qd4 1/2-1/2