Ostrovskiy,Al vs Chigaev,M

1. d4 Nf6 2. Bf4 d6 3. Nc3 Nbd7 4. Nf3 c5 5. d5 Qa5 6. Bd2 g6 7. e4 Bg7 8. a4 O-O 9. Bc4 a6 10. O-O Rb8 11. Qe2 Qd8 12. h3 Ne8 13. Rfe1 Nc7 14. Rad1 b6 15. Bf4 b5 16. axb5 Bxc3 17. bxc3 axb5 18. Ba2 Ra8 19. Bb1 f6 20. c4 b4 21. c3 bxc3 22. Rc1 Ne5 23. Rxc3 Ra4 24. Bh6 Rf7 25. Nxe5 fxe5 26. f4 exf4 27. e5 Bf5 28. exd6 exd6 29. Bxf5 Rxf5 30. Rf3 Qf6 31. Kh1 Ra1 32. Rxa1 Qxa1+ 33. Kh2 Qf6 34. Rb3 Qe5 35. Rb8+ Kf7 36. Qf3 Ke7 37. Rb7 Kd7 38. Ra7 Rf7 39. Kh1 Qe1+ 40. Kh2 Qe5 41. Kh1 Qe3 42. Qg4+ Kd8 43. Rb7 Qe1+ 44. Kh2 Qe5 45. Rb8+ Ke7 46. Bg5+ Rf6 47. Bxf6+ Kxf6 48. Kh1 Qe1+ 49. Kh2 Qe5 50. Qf3 Ne8 51. Rb7 Ng7 52. Qg4 Nf5 53. Qf3 h5 54. Rb6 Kg5 55. Qf2 Kh6 56. Kh1 Kg5 57. Kh2 Ng3 58. Qf3 Kh6 59. Rb8 Kg5 60. h4+ Kxh4 61. Rf8 Kg5 62. Rf7 Nf5 63. Rf8 Qe1 64. Rd8 Qh4+ 65. Kg1 Qe1+ 66. Kh2 Qe5 67. Kg1 Nd4 68. Qf2 Ne2+ 69. Kf1 Ng3+ 70. Kg1 Qa1+ 71. Kh2 Qh1#