[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.10"]
[Round "14"]
[White "Garcia Martinez, Silvino"]
[Black "Chang, Wei Ta"]
[Result "1/2-1/2"]
[WhiteElo "2435"]

1. c4 Nf6 2. Nc3 e5 3. d3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. e4 Bxc3+ 7. bxc3 d6 8. Nf3 Re8 9. O-O Kh8 10. Rb1 Rb8 11. Nh4 Be6 12. f4 exf4 13. Bxf4 Qd7 14. Rb2 Ne5 15. Bg5 Ng8 16. Nf5 f6 17. Be3 b6 18. Kh1 c6 19. Nd4 Bf7 20. Qb1 Ne7 21. Bg1 Rbc8 22. Rd2 d5 23. Nb3 dxc4 24. dxc4 Qc7 25. c5 Rcd8 26. Rfd1 Rxd2 27. Rxd2 Rd8 28. Qd1 Rxd2 29. Qxd2 Nc4 30. Qd4 b5 31. Nd2 Nxd2 32. Qxd2 Be6 33. Bd4 Ng6 34. a3 Kg8 35. Bf1 Kf7 36. Qd1 Qd7 37. a4 a6 38. Qa1 Bh3 39. Bxh3 Qxh3 40. axb5 axb5 41. Qa7+ Ne7 42. Qa2+ Kg6 43. Kg1 Qg4 44. Qc2 Qf3 45. Bf2 f5 46. exf5+ Nxf5 47. Qd2 Qe4 48. Qd7 h5 49. Qd8 Kf7 50. Qd7+ Kg6 51. Qd8 Ne3 52. Qd6+ Kh7 53. Bxe3 Qxe3+ 54. Kg2 Qe4+ 55. Kg1 Kg8 56. Qd8+ Kf7 57. Qd7+ Kf6 58. Qd6+ Kg5 59. Qd8+ Kg6 60. Qd6+ Kh7 61. h4 Qf3 62. Qe5 Kg6 63. Qe8+ Kf5 64. Qd7+ 1/2-1/2