[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.13"]
[Round "3"]
[White "Keller, Hans"]
[Black "Vasconcellos, Fernando"]
[Result "1-0"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. b3 c6 11. Bb2 d5 12. Ne5 Bxg2 13. Kxg2 f6 14. Nd3 Na6 15. cxd5 cxd5 16. Qc6 Bd6 17. Rac1 Qe7 18. Qa4 Nc7 19. Rc6 Rfb8 20. b4 a6 21. Rfc1 Nb5 22. Qb3 Na7 23. R6c2 Qd7 24. f3 Rc8 25. e4 Qb7 26. a3 Rxc2+ 27. Rxc2 Rc8 28. Re2 Qc6 29. Ne1 Qc4 30. Qe3 Kf7 31. e5 fxe5 32. dxe5 Bc7 33. Rc2 Qb5 34. Qf4+ Kg8 35. Qg4 Qd7 36. Nd3 Nc6 37. Nf4 Re8 38. Nh5 Bd8 39. Rxc6 g6 40. Rd6 Qc7 41. Rxe6 Rf8 42. Bd4 Qc2+ 43. Bf2 Qd3 44. Nf4 Qc4 45. Nxg6 Qxg4 46. fxg4 hxg6 47. Rxg6+ Kf7 48. Rd6 Ke7 49. Bxb6 Bxb6 50. Rxb6 Rc8 51. Rxa6 Rc3 52. a4 Re3 53. Ra7+ Ke6 54. Ra8 Ke7 55. Rc8 d4 56. Rc4 d3 57. Rd4 Ke6 58. Kf2 Re2+ 59. Kf3 Rxh2 60. Rxd3 Ra2 61. a5 Rb2 62. Ra3 Rxb4 63. a6 Rb8 64. a7 Ra8 65. Ke4 Ke7 66. g5 1-0