[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.10"]
[Round "14"]
[White "Gonzalez Gil, Mervin"]
[Black "Grinberg, Ricardo"]
[Result "0-1"]
[BlackElo "2405"]

1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 O-O 5. Bc4 c5 6. c3 Qc7 7. Bb3 b6 8. O-O Bb7 9. Nbd2 d5 10. Ne5 Nbd7 11. Ndf3 Ne4 12. Ng4 Rad8 13. Qe2 Qc8 14. Rd1 Ndf6 15. Nge5 Ne8 16. Nd2 N4d6 17. Nef3 Kh8 18. Qe1 Nf6 19. Nf1 Ba6 20. Ng3 Bb5 21. h3 Bd7 22. Kh2 Nf5 23. Nf1 h5 24. Bd2 Nd6 25. Rac1 c4 26. Bc2 Bf5 27. Qe2 Bxc2 28. Rxc2 Nfe4 29. Be1 Bf6 30. N1d2 Kg7 31. Nxe4 dxe4 32. Nd2 Qe6 33. Bg3 Rc8 34. Rg1 b5 35. a3 Rh8 36. Be1 h4 37. Qg4 Nf5 38. Nf1 Qd5 39. Qd1 e5 40. Bd2 exf4 41. exf4 Qd6 42. Qg4 Rce8 43. Be3 Rh5 44. Rf2 Bd8 45. Qe2 Bc7 46. Nd2 Qd5 47. Re1 Ne7 48. Kg1 f5 49. b3 cxb3 50. Rb1 Rb8 51. Nxb3 Qc4 52. Nc5 Bd6 53. Qxc4 bxc4 54. Rxb8 Bxb8 55. Rb2 Rh8 56. Rb7 Kf7 57. Nd7 Bd6 58. Rxa7 Rc8 59. Nb6 Rc7 60. Ra4 Ke6 61. Ra5 Nc8 62. Nd5 Ra7 63. Rxa7 Nxa7 64. Nb6 Nb5 65. a4 Nxc3 66. a5 Nd5 67. Nxc4 Bb8 68. Kf2 g5 69. fxg5 f4 70. Bc1 Nb4 71. Ke2 Nd3 72. Ba3 Ba7 73. Nb6 Kf5 74. d5 f3+ 75. gxf3 Nf4+ 76. Kf1 exf3 77. Nc8 Bd4 78. d6 Nh5 79. d7 Ng3+ 80. Ke1 f2+ 81. Kd2 f1=Q 82. Nd6+ Ke5 83. d8=Q Qe2+ 84. Kc1 Qe1+ 85. Kc2 Qc3+ 0-1