[Event "Olympiad-10 Final B"]
[Site "Helsinki"]
[Date "1952.08.24"]
[Round "4"]
[White "Penrose, Jonathan"]
[Black "Donner, Jan Hein"]
[Result "0-1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Be7 8. Qh5 O-O 9. Ne2 g6 10. Qf3 Bd6 11. O-O f5 12. Re1 Nd7 13. Bh6 Qh4 14. Bxf8 Qxh2+ 15. Kf1 Nxf8 16. Qh3 Qxh3 17. gxh3 Ne6 18. Rad1 Ng5 19. Ng1 Bd7 20. Kg2 Kg7 21. Nf3 Nxf3 22. Kxf3 g5 23. Bd3 h5 24. Re2 f4 25. Rg1 Kf6 26. Kg2 f3+ 27. Kxf3 Bxh3 28. Re3 Bf4 29. Re4 Bf5 30. Rxf4 gxf4 31. Bxf5 Kxf5 32. Rg7 Kf6 33. Rg2 Rd8 34. c3 c5 35. Rh2 cxd4 36. cxd4 Kg5 37. Rg2+ Kh6 38. Kxf4 Rxd4+ 39. Ke3 Rg4 40. Rh2 Kg5 41. Rh1 h4 42. b3 Kh5 43. Kf3 Rg6 44. Rd1 h3 45. Rd5+ Kh6 46. Rd1 Rg5 47. Rh1 Rh5 48. Kg3 Kg5 49. Kh2 Kh4 50. Rd1 Rg5 51. Rd4+ Rg4 52. Rd2 Rg2+ 53. Kh1 f5 54. a4 b6 55. Rd7 Rxf2 56. Rxa7 Rb2 57. Rb7 Rxb3 58. a5 Kg3 59. Rxb6 Ra3 60. Rg6+ Kh4 61. a6 Ra1+ 62. Kh2 Ra2+ 63. Kg1 f4 64. Rh6+ Kg4 65. Rg6+ Kh5 66. Rg8 Rxa6 67. Kh2 Kh4 68. Rh8+ Kg4 69. Rg8+ Kf3 70. Rb8 Ra1 71. Rb7 Re1 72. Rb8 Kf2 73. Kxh3 f3 74. Kh2 Kf1 75. Kg3 f2 76. Rb2 Re3+ 77. Kh2 Re7 78. Rb1+ Re1 79. Rb2 Rd1 0-1