[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Sardinha, Helder"]
[Black "Geller, Efim P"]
[Result "0-1"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 g6 5. Nc3 Bf5 6. Nd2 Bg7 7. e4 Bd7 8. Be2 O-O 9. O-O e5
10. Re1 Na6 11. Nf1 Nc7 12. a4 Nfe8 13. f4 f5 14. exf5 Bxf5 15. Ng3 exf4 16. Bxf4 Bd4+ 17.
Kh1 Ng7 18. Qd2 a6 19. Bf3 Nce8 20. Bh6 Be5 21. Nce4 Bd7 22. Rf1 Qb6 23. Rf2 Nf6 24. Ng5
Rae8 25. Qc2 Bd4 26. Rd2 Ng4 27. Bxg4 Bxg4 28. h3 Bc8 29. N5e4 Be5 30. Rad1 Rf7 31. Rf1
Rxf1+ 32. Nxf1 Nf5 33. Bg5 Nd4 34. Qd3 Rf8 35. Nfg3 Rf7 36. Be3 Nf5 37. Bf2 Qd8 38. b3 Qf8
39. Rd1 Qh6 40. Kg1 Nd4 41. Be3 Qf8 42. Rd2 Nf5 43. Bf2 Qh6 44. Rd1 Qf4 45. Rf1 Nxg3 46.
Bxg3 Bd4+ 47. Bf2 Bf5 48. Bxd4 Bxe4 49. Rxf4 Bxd3 50. Be3 Bc2 51. a5 Kf8 52. Rg4 Bxb3 53.
Bh6+ Ke8 54. Bg5 Kd7 55. Re4 Kc7 56. g3 b5 57. axb6+ Kxb6 58. Bd8+ Kb7 59. Kg2 Kc8 60. Ba5
Kd7 61. h4 h5 62. Be1 Re7 63. Rxe7+ Kxe7 64. Kf3 Bxc4 65. Ke4 Bf1 0-1