Silva Cerda, Mark Valentin vs Herman Gamazo, Isaac

1. d4 1... Nf6 2. Nf3 2... e6 3. e3 3... b6 4. Bd3 4... Bb7 5. O-O 5... d5 6. b3 6... Bd6 7. c4 7... O-O 8. Nc3 8... a6 9. cxd5 9... exd5 10. Bb2 10... Nbd7 11. Rc1 11... Qe7 12. Ne2 12... Ne4 13. Nf4 13... Rfe8 14. Re1 14... c6 15. Bf1 15... a5 16. a4 16... Rac8 17. Re2 17... Ndf6 18. Nd3 18... Rc7 19. Nfe5 19... c5 20. Rec2 20... Rec8 21. f3 21... cxd4 22. exd4 22... Ng5 23. Nf4 23... Nd7 24. Rxc7 24... Rxc7 25. Rxc7 25... Bxc7 26. Qe2 26... Nf8 27. Qb5 27... Qd6?! 28. Qe8?! 28... f6 29. Ned3 29... Ba6 30. Bc1 30... Bb7 31. Qe3 31... Kf7 32. g3 32... Nge6 33. Bh3 33... Nxf4 34. Qxf4 34... Qe7 35. Qe3 35... Qxe3+ 36. Bxe3 36... Bd6 37. Kf2 37... Ne6 38. Bxe6+ 38... Kxe6 39. Bf4 39... Ba6 40. Bxd6 40... Kxd6 41. Nc1 41... Ke6 42. Ke3 42... h5 43. Na2 43... g5 44. Nc3 44... f5 45. Nd1 45... Bf1 46. Nf2 46... Ba6 47. Nh3 47... Kf6 48. Nf2 48... Ke6 49. Nd1 49... Bf1 50. Nc3 50... Ba6 51. Nb1 51... Bf1 52. Nd2 52... Ba6 53. Nb1 53... Bf1 54. Na3 54... Ba6 55. Nc2 55... Bf1 56. Ne1 56... Ba6 57. Ng2 57... Bf1 58. Ne1 58... Ba6 59. Nc2 59... Bf1 60. Na3 60... Ba6 61. Nb1 61... Bf1 62. Nc3 62... Ba6 63. h3 63... Bb7 64. Nb5 64... Bc6 65. Nc3 65... Bb7 66. Nb1 66... Bc6 67. Nd2 67... Bb7 68. Nf1?? 68... Ba6 69. Nd2? 69... Bb7?? 70. Nb1 70... Bc6 71. Na3 71... Bd7 72. Nc2?! 72... Bc8?! 73. h4 73... f4+ 74. gxf4 74... gxh4 75. Kf2 75... Ba6 76. f5+?? 76... Kxf5 77. Ne3+ 77... Ke6 78. Kg2?! 78... Bd3 79. Kh3 79... Bb1 80. f4 80... Ba2 81. f5+ 81... Kd6 82. Kxh4 82... Bxb3 83. f6?! 83... Ke6 84. Kg5 84... Kf7 85. Nf5 85... Bxa4 86. Nd6+ 86... Kf8 87. f7?! 87... Bd7 88. Kf6 88... a4 89. Nb7 89... a3 90. Nd8 90... a2 91. Ne6+?! 91... Bxe6