[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Purdy, Cecil John Seddon"]
[Black "Martelli, Robert"]
[Result "1-0"]
1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nc6 6. Bc4 Qd8 7. Nb3 cxd4 8. O-O Be7 9. Qe2 Nf6 10. Rd1 Qc7 11. Nbxd4 Nxd4 12. Nxd4 a6 13. Bg5 O-O 14. Bh4 Ne8 15. Bxe7 Qxe7 16. Rd3 Nd6 17. Bb3 Bd7 18. Rad1 Rad8 19. Qe5 Bb5 20. Nxe6 fxe6 21. Qxe6+ Qxe6 22. Bxe6+ Kh8 23. Rxd6 Rxd6 24. Rxd6 Re8 25. f3 g6 26. Kf2 Kg7 27. c4 Bc6 28. b3 Kf8 29. a4 Ke7 30. c5 Rf8 31. Ke3 Rf6 32. Bg8 h6 33. Rxf6 Kxf6 34. Kd4 Bd7 35. Kd5 Ke7 36. Ke5 Bf5 37. Bd5 Bc2 38. a5 1-0