What is the best continuation for Black?

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Analysis of Javachip3 (1471) vs. HanghangL (1411)

1 2 3 4 5 6 7 8 h g f e d c b a +1

(black to move) 1. c4 e6 2. Nc3 c6 3. Nf3 Nf6 4. g3 d5 5. cxd5 cxd5 6. d4 Nc6 7. Bg2 Be7 8. a3 Bd7 9. b4 O-O 10. O-O h6 11. Re1 Rc8 12. Bb2 a6 13. e4 dxe4 14. Nxe4 Nxe4 15. Rxe4 Be8 16. Ne5 Nxe5 17. Rxe5 Bf6 18. Re1 Bc6 19. Bxc6 Rxc6 20. Qb3 Bxd4 21. Bxd4 Qxd4 22. Rad1 Qb6 23. Rd7 Rc7 24. Red1 Rxd7 25. Rxd7 Rd8 26. Qd3 Rxd7 27. Qxd7 Qc6 28. Qd8+ Kh7 29. Qd3+ Kh8 30. Qd8+ Kh7 31. Qd3+ g6 32. Qd8 Qd5 33. Qf6 Qf5 34. Qe7 Qb1+ 35. Kg2 Qe4+ 36. Kg1 Kg7 37. Qc5 Qc6 38. Qe5+ Kh7 39. Qf6 Kg8 40. h4 Qd6 41. g4 Qd1+ 42. Kg2 Qxg4+ 43. Kf1 Qh3+ 44. Kg1 Qxa3 45. Qd8+ Kg7 46. Qd4+ Kh7 47. Qf6 Qc1+ 48. Kg2 Qc6+ 49. f3 Qc2+ 50. Kg3 Qf5 51. Qe7 b5 52. Qc5 Kg7 53. Qb6 Qe5+ 54. Kg2 Qe2+ 55. Kg3 Qe5+ 56. Kg2 Qb2+ 57. Kg3 Qxb4 58. Qxa6 Qc5 59. Qa5 Qg1+ 60. Kf4 g5+ 61. hxg5 Qxg5+ 62. Ke4 Qd5+ 63. Ke3 Qb3+ 64. Kf4 Qc4+ 65. Kg3 h5 66. Qa1+ f6 67. Qa7+ Kg6 68. Qa8 Qc7+ 69. Kh3 Kf5 70. Qe4+ Kg5 71. Qh4+ Kg6 72. Qe4+ Kh6 73. Qxe6 Qf4 74. Qb3 Qf5+ 75. Kg3 Qg5+ 76. Kh3 h4 77. Kh2 Qg3+ 78. Kh1 Qf2 79. Qxb5 h3 80. Qb2 Qxb2 81. f4 Qg2#

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