[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.19"]
[Round "7"]
[White "Cala, Ugo"]
[Black "Morcken, Otto B"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be6 8. O-O Qc7 9. h3 Nbd7 10. Be3 Nb6 11. Re1 Be7 12. Qd2 O-O 13. Bg5 Rac8 14. Rac1 Rfd8 15. Qe3 h6 16. Bxf6 Bxf6 17. Bd3 Qc5 18. Qe2 Qb4 19. Rb1 Re8 20. Red1 Qc5 21. Rbc1 Rcd8 22. Nd2 Bg5 23. Ra1 Bf6 24. Nb3 Qc7 25. Nd2 d5 26. exd5 Nxd5 27. Nxd5 Bxd5 28. Be4 Bxe4 29. Nxe4 Be7 30. c3 Rxd1+ 31. Rxd1 Rd8 32. Rxd8+ Qxd8 33. c4 Qd4 34. g4 g6 35. Ng3 Qf4 36. Kg2 Kg7 37. b3 Bc5 38. Qf3 Qxf3+ 39. Kxf3 f6 40. h4 Kf7 41. h5 gxh5 42. gxh5 Ke6 43. Ke4 Bxf2 44. Nf5 Bc5 45. Nxh6 b6 46. Nf5 Kf7 47. Kd5 a5 48. Ke4 Bf8 49. Ng3 Ke6 50. Nf5 Kf7 51. Kd5 Bc5 52. Ng3 Bf2 53. Ne4 Bd4 54. Nd6+ Kf8 55. Ke6 Bc5 56. Ne4 Be7 57. h6 Bd8 58. Nxf6 Bxf6 59. Kxf6 1-0