Estudillo Gao, Pablo Roufan vs Ortega Herrera, Paris Francisco

1. b3 1... d5? 2. Ng3 2... e6 3. e3?! 3... Ng6 4. Nc3? 4... Be7 5. Be2 5... O-O 6. O-O 6... c5 7. Rcd1? 7... a6?! 8. d4 8... b5?! 9. Bf3? 9... cxd4 10. exd4 10... Bf6?! 11. Nce2 11... Nc6 12. c3 12... a5 13. Nc1 13... Qc7 14. Nd3 14... Be7 15. Ne2 15... b4 16. cxb4 16... axb4 17. Rc1 17... Bb7 18. Rc2 18... Qb6 19. Rfc1 19... Ba6 20. Nc5 20... Bxe2? 21. Bxe2 21... Bxc5 22. Rxc5 22... Nce7 23. Rb5 23... Qa6 24. Rxc8 24... Rxc8 25. Qb2 25... Qa7 26. Qd2?! 26... Nc6?! 27. Rc5 27... Nge7 28. Qd3?? 28... Qxa2 29. Rc1 29... g6 30. Rb1?! 30... Ra8? 31. Bb2 31... Nf5 32. Ra1 32... Qxa1+ 33. Bxa1 33... Rxa1+ 34. Bd1 34... Ncxd4?! 35. h3 35... Nc6 36. Kh2 36... Ne5? 37. Qc2 37... Nd4 38. Qc8+ 38... Kg7 39. Bg4?? 39... Nxg4+?? 40. hxg4 40... Nxb3 41. Qc2 41... Ra3 42. Qb2+ 42... d4 43. f3 43... e5 44. Kg3?! 44... h6?! 45. Kf2?? 45... Nc5 46. Ke2 46... Re3+ 47. Kd2 47... Nb3+ 48. Kd1 48... Rc3 49. Qa2 49... d3 50. Qb2 50... Rc1+ 51. Qxc1 51... Nxc1 52. Kxc1 52... b3 53. g3 53... f5 54. gxf5?! 54... gxf5 55. f4 55... h5 56. g4 56... exf4 57. gxf5 57... f3 58. f6+ 58... Kf7 59. Kb2 59... h4 60. Ka1 60... h3 61. Kb2 61... Kxf6 62. Ka1 62... f2 63. Kb2 63... d2 64. Ka1 64... d1=B 65. Kb2 65... f1=B 66. Ka1 66... Bc2 67. Kb2 67... Ke5 68. Ka1 68... Kd4 69. Kb2 69... Bc4 70. Ka1 70... Kd3 71. Kb2 71... Bb1 72. Ka1 72... h2 73. Kb2 73... h1=Q 74. Ka3 74... Qa8+ 75. Kb2 75... Qa2+ 76. Kc1 76... Qc2#