[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.11.09"]
[Round "13(4)"]
[White "Becerra, Ernesto"]
[Black "Silva Morales, Marco Antonio"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. Nc3 Nf6 5. h3 a6 6. Be2 d5 7. exd5 Nxd5 8. Ne4 Ba7 9. d3 Be6 10. c4 Nde7 11. Be3 f6 12. Bxa7 Rxa7 13. O-O Nf5 14. Re1 O-O 15. Nc5 Bc8 16. a3 b6 17. Ne4 a5 18. Qd2 Ncd4 19. Qc3 c5 20. Nxd4 Nxd4 21. f3 Bb7 22. Nf2 Bc6 23. Rac1 a4 24. Bd1 Qe8 25. Qd2 Qg6 26. Kh2 Rd7 27. Qe3 Rfd8 28. Rc3 Ne6 29. Bc2 Rd4 30. Rg1 Qf5 31. Rf1 h5 32. Re1 h4 33. Bb1 Ng5 34. Bc2 Rf4 35. Bd1 Qg6 36. Ng4 Ne6 37. Nf2 Qg3+ 38. Kh1 Nd4 39. Ne4 Qg6 40. Kh2 Nf5 41. Qf2 Rd4 42. Bc2 Nh6 43. b3 f5 44. Nd2 e4 45. dxe4 fxe4 46. Bxe4 Bxe4 47. Nxe4 Rdxe4 48. Rxe4 Qxe4 49. Qd2 Qe5 50. Re3 Re4+ 0-1