[Event "Costa del Sol-12"]
[Site "Malaga"]
[Date "1972.02.10"]
[Round "8"]
[White "Cordovil, Joao Maria"]
[Black "Martz, William E"]
[Result "1/2-1/2"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Bf5 6. Nc3 dxe5 7. fxe5 e6 8. Nf3 Bb4 9. Qb3 c5 10. Be3 Nc6 11. dxc5 Nd7 12. O-O-O Qe7 13. Bd3 Bxd3 14. Rxd3 O-O-O 15. Rxd7 Rxd7 16. Ne4 f6 17. a3 Ba5 18. Nd6+ Kb8 19. Qa4 Bc7 20. b4 Bxd6 21. cxd6 Qd8 22. Nd4 Nxd4 23. Bxd4 a6 24. Kb1 fxe5 25. Bxe5 Rf8 26. c5 Qh4 27. Bg3 Qc4 28. Qxd7 Qb3+ 29. Kc1 Qc3+ 1/2-1/2