Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1 Qc3 8.
Bb5 g6 9. O-O Bg7 10. Nd4 Bd7 11. N2b3 O-O 12. Ne2 Qb4 13. a4 a6 14. c3 Qe4 15.
Ng3 Qe6 16. Bxc6 Qxc6 17. Nd4 Qxc5 18. Rxb7 Qxc3 19. Be5 Qc8 20. Rc7 Qd8 21.
Qc2 Ne8 22. Bxg7 Nxc7 23. Bxf8 Kxf8 24. Rc1 Rc8 25. Qc3 Kg8 26. Nc6 Bxc6 27.
Qxc6 Qd6 28. Qxd6 exd6 29. Ne2 Kf8 30. Nf4 Rb8 31. h3 Rb7 32. Rc6 Ke7 33. Rxc7+
Rxc7 34. Nxd5+ Kd7 35. Nxc7 Kxc7 36. Kf1 Kb6 37. Ke2 Ka5 38. Kd3 Kxa4 39. Kc4
a5 40. e4 Ka3 41. Kc3 a4 42. f4 f6 43. g4 h6 44. h4 Ka2 45. Kc2 Ka3 46. g5 hxg5
47. hxg5 fxg5 48. f5 gxf5 49. exf5 g4 50. f6 g3 51. f7 g2 52. f8=Q g1=Q 53.
Qxd6+ Ka2 54. Qd5+ Ka1 55. Qe5+ Ka2 *
Position (FEN): 8/8/8/4Q3/p7/8/k1K5/6q1 w - - 5 56
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 995
Best move: Qb2#