Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3 d5 5. c5 O-O 6. Bg5 h6 7. Bh4 b6 8. a3 Ba6
9. Qc2 Bxc3+ 10. Qxc3 bxc5 11. Qxc5 Nbd7 12. Qc6 Bc4 13. Nf3 Rb8 14. b4 Qc8 15.
Bxf6 Nxf6 16. Ne5 Rd8 17. Nxc4 dxc4 18. e3 a5 19. b5 c3 20. Qxc3 Qb7 21. Rc1
Nd5 22. Qc6 Qa7 23. Be2 Rb6 24. Qc5 a4 25. O-O Qb8 26. Rc2 f5 27. Rb1 c6 28.
Rcb2 Rc8 29. Bc4 cxb5 30. Bxd5 Rxc5 31. dxc5 Ra6 32. Rxb5 Qe5 33. Bb7 Ra7 34.
c6 Qc7 35. R5b4 Kf7 36. g3 Ra5 37. Ba8 Kf6 38. Rb7 Qc8 39. c7 Rxa8 40. Rb8 Qxc7
41. Rxa8 Qc2 42. Rbb8 Qc1+ 43. Kg2 Qxa3 44. Ra6 Qa2 45. Rba8 Qd5+ 46. Kg1 Qd1+
47. Kg2 Qd5+ 48. Kh3 g5 49. e4 Qxe4 50. Rxa4 Qe2 51. Kg2 g4 52. Rf4 h5 53. Raa4
Qd1 54. Ra5 Qc1 55. Raa4 Qd2 56. Rad4 Qb2 57. Ra4 Qb7+ 58. Kg1 Kg5 59. Rfb4 Qd5
60. Rd4 Qb3 61. Rdb4 Qd1+ 62. Kg2 h4 63. gxh4+ Kxh4 64. Ra7 Qf3+ 65. Kg1 Qd1+
66. Kg2 Qd5+ 67. Kg1 Kg5 68. Raa4 e5 69. Ra7 Qd1+ 70. Kg2 Qf3+ 71. Kg1 e4 72.
Ra5 Qd1+ 73. Kg2 e3 74. Rbb5 Qf3+ 75. Kg1 e2 76. Re5 Qd3 77. Kg2 Kf4 78. Re7
Qd1 79. Rae5 *
Position (FEN): 8/4R3/8/4Rp2/5kp1/8/4pPKP/3q4 b - - 7 79
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 989
Best move: Qf1#