Duran Vega, Sergio vs Alvarez Serrano, Carlos

1. d4 1... d5 2. Nf3 2... Nf6 3. Bf4 3... c5 4. e3 4... Nc6 5. Nbd2 5... cxd4 6. exd4 6... Qb6 7. Nb3 7... Bg4 8. Be2 8... e6 9. O-O 9... a5 10. a4 10... Bxf3 11. Bxf3 11... Be7 12. Qe2?! 12... O-O 13. Qb5 13... Qa7 14. c3 14... Ne8 15. Nc5 15... Bd6 16. Be3 16... Nd8 17. Nd7 17... Nc7 18. Qb6 18... Qxb6 19. Nxb6 19... Ra6 20. Nc8 20... Ne8 21. Be2 21... Rc6 22. Na7 22... Rc7 23. Nb5 23... Rd7 24. f4?! 24... f5 25. h3 25... Nf6 26. g4 26... g6 27. Kg2 27... Bb8 28. g5 28... Ne4 29. h4 29... Nf7 30. c4 30... Rc8 31. Rfc1 31... Rdd8 32. h5?! 32... Nfd6? 33. b3? 33... Rc6? 34. c5 34... Nc8 35. Nc3? 35... Ne7 36. Rab1 36... Nxc3? 37. Rxc3 37... b6 38. Rbc1 38... Rdc8? 39. Bb5 39... R6c7 40. Ba6 40... Rd8 41. cxb6 41... Rxc3 42. Rxc3 42... Rd6 43. b7 43... Rc6 44. Rc5 44... gxh5?! 45. Bb5 45... Rc7 46. Rxc7 46... Bxc7 47. Bd2 47... Ng6 48. b4 48... axb4 49. a5?! 49... b3 50. a6 50... b2 51. a7?! 51... b1=Q 52. b8=Q+ 52... Nf8?? 53. Qxc7 53... Qxb5 54. Kf2 54... Qa4 55. Qa5 55... Qxd4+ 56. Be3 56... Qb2+ 57. Ke1 57... Qb1+ 58. Kd2 58... Qb2+ 59. Kd3 59... Qb3+ 60. Kd4 60... Qc4+ 61. Ke5 61... Qe4+ 62. Kf6 62... Qxe3 63. a8=Q 63... Qd4+ 64. Ke7 64... Qg7+ 65. Kd6 65... Qd7+ 66. Kc5 66... Qe7+ 67. Kd4 67... h4 68. Q8d8 68... Qg7+ 69. Qf6 69... Qd7 70. Qa8 70... Qd6 71. Qb7 71... Qxf4+ 72. Kc5 72... Qe3+ 73. Kc6 73... Qc1+ 74. Kb6 74... Qe3+?! 75. Kc6?! 75... Qc1+ 76. Kd6 76... Qa3+ 77. Kc7 77... Qc5+?! 78. Kb8 78... Qd6+ 79. Ka8 79... Qa3+ 80. Qa7 80... Qxa7+ 81. Kxa7 81... h3