Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. e4 Bb4+ 3. c3 Ba5 4. Nf3 Ne7 5. Bd3 h6 6. Bf4 O-O 7. O-O d6 8. Nbd2
a6 9. e5 d5 10. Re1 Nd7 11. Nf1 f6 12. Qd2 f5 13. h4 Ng6 14. Ng3 Nxf4 15. Qxf4
c5 16. Ng5 Qe7 17. Nh5 hxg5 18. hxg5 cxd4 19. cxd4 Bxe1 20. Rxe1 Qf7 21. Re3
Qxh5 22. Rh3 Qg6 23. Qh4 Nb6 24. g4 Nc4 25. gxf5 exf5 26. Bxc4 dxc4 27. d5 f4
28. e6 Bxe6 29. dxe6 Qxe6 30. Qh7+ Kf7 31. Rh6 Qxh6 32. gxh6 Rg8 33. Qf5+ Ke7
34. h7 Rh8 35. Qxf4 b5 36. Qe5+ Kf7 37. Kf1 Kg6 38. Qe4+ Kh6 39. a4 Rab8 40.
axb5 axb5 41. f3 g6 42. Qh4+ Kg7 43. Qf4 Kxh7 44. Qf7+ Kh6 45. Qc7 Rhg8 46. Kf2
g5 47. Qh2+ Kg6 48. Qd6+ Kf5 49. Qd5+ Kf6 50. Qd4+ Ke6 51. Qe4+ Kd6 52. Qd4+
Kc6 53. Qf6+ Kc5 54. Qe7+ Kd4 *
Position (FEN): 1r4r1/4Q3/8/1p4p1/2pk4/5P2/1P3K2/8 w - - 16 55
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1833
Best move: Qd6#