[Event "Olympiad-10 Final B"]
[Site "Helsinki"]
[Date "1952.08.30"]
[Round "9"]
[White "Penrose, Jonathan"]
[Black "Porreca, Giorgio"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Ne2 dxc4 7. Bxc4 e5 8. O-O Nc6 9. a3 Bxc3 10. bxc3 Re8 11. Rb1 b6 12. f3 Na5 13. Bd3 e4 14. fxe4 Nxe4 15. Qc2 Bb7 16. Ng3 Qe7 17. Rf4 Nxg3 18. Bxh7+ Kh8 19. hxg3 g6 20. Rh4 Be4 21. Bxg6+ Qxh4 22. gxh4 Bxc2 23. Bxc2 c6 24. Kf2 Kg7 25. g4 f6 26. e4 Nc4 27. Kg3 Rac8 28. Bd3 Nd6 29. Kf3 c5 30. Bf4 c4 31. Bc2 Nf7 32. Re1 Re7 33. e5 fxe5 34. Bxe5+ Nxe5+ 35. Rxe5 Rxe5 36. dxe5 Rc5 37. Ke4 Ra5 38. a4 b5 39. axb5 Rxb5 40. Kd4 Rb2 41. Be4 a5 42. Bc6 a4 43. Bxa4 Rg2 44. g5 Rg4+ 45. Kd5 Rxh4 46. e6 Kf8 47. Kd6 Rh7 48. Bb5 Rg7 49. Bd7 Rg6 50. Bc6 Rg7 51. Bb5 Rh7 52. Bxc4 Ke8 53. Bb5+ Kd8 54. c4 Rc7 55. c5 Rg7 56. Ba4 Ra7 57. Bb5 Rc7 58. Ba4 Ra7 59. Bc2 Rc7 60. Bg6 Ra7 61. Bf7 Rd7+ 62. Ke5 Rd1 63. Bg6 Ke7 64. Be4 Rc1 65. c6 Rg1 66. g6 1-0