Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. e3 Nc6 5. Nc3 d5 6. cxd5 exd5 7. Bb5 Bd7 8. O-O
a6 9. Bxc6 Bxc6 10. dxc5 Bxc5 11. Ne5 Bd6 12. Nxc6 bxc6 13. Qa4 Qc7 14. h3 Ne4
15. Nxd5 Qd7 16. Qxe4+ Kf8 17. Nb6 Qb7 18. Nxa8 Qxa8 19. Rd1 Qd8 20. Qxc6 Bh2+
21. Kxh2 Qxd1 22. Qc8+ Ke7 23. Qxh8 Qd6+ 24. g3 Qf6 25. Kg2 Qc6+ 26. Kg1 Qc2
27. b3 Qd1+ 28. Kh2 Qe2 29. Ba3+ Ke6 30. Qc8+ Kf6 31. Qd8+ Kg6 32. Qd6+ f6 33.
Qf4 h5 34. Rc1 Kh7 35. Rc7 Kg6 36. Bf8 h4 37. Rxg7+ Kh5 38. Rh7+ Kg6 39. Qh6+
Kf5 40. Qf4+ Ke6 41. Re7+ Kd5 42. Qd4+ Kc6 43. Re6+ Kc7 44. Qc5+ Kd7 45. Qd6+
Kc8 46. Re8+ Kb7 47. Re7+ Kc8 48. Qd8+ Kxd8 49. Kg2 hxg3 50. Kxg3 Qb5 51. Rg7
Qb8+ 52. Kg2 Qa8+ 53. Kg1 Ke8 54. Rg8 Kf7 55. Rh8 Qd5 56. Bh6 Qd1+ 57. Kg2 Qc2
58. h4 Kg6 59. Bf4 Qe4+ 60. Kg3 Kg7 61. Rb8 Qg6+ 62. Kf3 f5 63. Rb7+ Kf8 64.
Rb8+ Ke7 65. Bg5+ Kf7 66. Rb7+ Kf8 67. Rb8+ Kf7 68. Rb7+ Ke8 69. Rb8+ Kd7 70.
a4 Qc6+ 71. Kg3 Qd6+ 72. Bf4 Qg6+ 73. Kf3 *
Position (FEN): 1R6/3k4/p5q1/5p2/P4B1P/1P2PK2/5P2/8 b - - 6 73
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1105
Best move: Qg4#