[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.08"]
[Round "4"]
[White "Malagon, Alberto"]
[Black "Quinones, Oscar Carillo"]
[Result "1-0"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. Rb1 c6 9. h3 e4 10. Ne1 d5 11. Bg5 h6 12. Be3 Re8 13. Qd2 Kh7 14. cxd5 cxd5 15. f3 Nb6 16. b3 Bf5 17. Rc1 Qe7 18. f4 h5 19. Nc2 Rac8 20. Bf2 Qe6 21. Kh2 Bh6 22. Ne3 a6 23. a4 h4 24. a5 hxg3+ 25. Bxg3 Nbd7 26. Nxf5 gxf5 27. e3 Nh5 28. Bh4 Rg8 29. Na4 Qd6 30. Rxc8 Rxc8 31. b4 Rc4 32. Nc5 Qc6 33. Rb1 Nxc5 34. dxc5 Qg6 35. Rg1 d4 36. Bf1 Qe6 37. Bxc4 Qxc4 38. Qg2 Bg7 39. Qg5 Qe2+ 40. Rg2 Qf3 41. Qxf5+ Kh8 42. Qg4 dxe3 43. b5 Qxf4+ 44. Qxf4 Nxf4 45. Rc2 Be5 46. Kh1 Ne6 47. c6 axb5 48. cxb7 e2 49. Rc8+ 1-0