[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Pantebre Martinez, Jose Antonio"]
[Black "De Guzman, Ricardo"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. e3 c5 6. Nf3 O-O 7. a3 Bxc3 8. Bxc3 Ne4 9. cxd5 exd5 10. Qc2 c4 11. Be2 Bf5 12. O-O Ng3 13. Qd1 Nxf1 14. Bxf1 Nd7 15. Rc1 Re8 16. Nd2 Nf6 17. Qf3 Qd7 18. h3 Bd3 19. Rd1 Bxf1 20. Rxf1 Re6 21. Rc1 Rae8 22. Qf5 R6e7 23. Qf3 Ne4 24. Nxe4 Rxe4 25. Qg3 R4e6 26. Qg4 Qc6 27. Bb4 Rg6 28. Qf4 Qe6 29. Kh2 Qe4 30. Qxe4 Rxe4 31. Bc5 b6 32. Bb4 f5 33. g3 h5 34. h4 Kf7 35. Bc3 Ke8 36. Kg2 Kd7 37. Kf3 Rge6 38. Rg1 Kc6 39. Ke2 Re7 40. Kd1 a5 41. Kc2 Ra7 42. a4 b5 43. axb5+ Kxb5 44. Ra1 a4 45. Ra3 Re8 46. Kd2 Rb8 47. Kc2 Kc6 48. Kd1 Rb3 49. Kc2 Rxa3 0-1