[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "Penrose, Jonathan"]
[Black "Porat, Yosef"]
[Result "1-0"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4 16. Nbd2 Ba6 17. Rc1 Qb7 18. d5 Na5 19. Bd3 Rfc8 20. b3 Rxc1 21. Qxc1 axb3 22. axb3 b4 23. Qc2 Bxd3 24. Qxd3 Rc8 25. Ra1 Bd8 26. Qb1 Nd7 27. Ne1 Rc3 28. Nc2 Nc5 29. Bxc5 Rxc5 30. Ne3 Rc3 31. Qa2 Qd7 32. Qa4 Qxa4 33. Rxa4 f5 34. Rxb4 Bg5 35. Nec4 Bxd2 36. Nxd2 fxe4 37. Rb8+ Kf7 38. b4 e3 39. fxe3 Nb3 40. Nxb3 Rxb3 41. Kf2 e4 42. h4 Kf6 43. Re8 Rxb4 44. g4 h5 45. Re6+ Kf7 46. g5 Rb2+ 47. Kg3 Re2 48. Kf4 Rg2 49. Kxe4 Rg4+ 50. Kf5 Rxh4 51. Rxd6 1-0