[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.13"]
[Round "9"]
[White "Malagon, Alberto"]
[Black "Barriera, F"]
[Result "1-0"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Bg5 c5 7. d5 h6 8. Bh4 Nbd7 9. Be2 a6 10. O-O g5 11. Bg3 Nh5 12. Qd2 Nxg3 13. hxg3 Ne5 14. a4 Bg4 15. Nxe5 Bxe2 16. Nxf7 Rxf7 17. Nxe2 Qd7 18. Ra2 e5 19. b3 g4 20. Qe3 Raf8 21. f4 gxf3 22. Rxf3 Qg4 23. Rxf7 Rxf7 24. Ra1 Bf6 25. Qf3 h5 26. Rf1 b6 27. Kh2 Kg7 28. Ng1 a5 29. Nh3 Kh6 30. Qf5 Kg7 31. Rf3 Qxf5 32. Rxf5 Kg6 33. Ng1 Bg5 34. Rxf7 Kxf7 35. Kh3 Kg6 36. Nf3 Be7 37. g4 Bd8 38. gxh5+ Kxh5 39. g4+ Kg6 40. Kg3 Be7 41. Nh4+ Kg5 42. Nf3+ Kg6 43. g5 Bxg5 44. Kg4 Be7 45. Nd2 Bg5 46. Nb1 Be7 47. Nc3 Bf6 48. Nb5 Be7 49. Nc7 Bf6 50. Ne6 Be7 51. Nc7 Bf6 52. Nb5 Be7 53. Na7 Bf6 54. Nc8 Bd8 55. Nxd6 Kf6 56. Nb7 Bc7 57. d6 Bb8 58. d7 Bc7 59. d8=Q+ Bxd8 60. Nxd8 Ke7 61. Nc6+ Kd6 62. Kf5 Kxc6 63. Kxe5 Kd7 64. Kf6 1-0