Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. c3 Nc6 7. O-O Be7 8. Be3
Qb6 9. b3 cxd4 10. cxd4 O-O 11. Nc3 Qd8 12. Rc1 b6 13. Bb1 Bb7 14. Qd3 g6 15.
Bh6 Re8 16. Qe3 Bf8 17. Qf4 Bxh6 18. Qxh6 Nf8 19. Rfd1 Qe7 20. Nb5 Red8 21. Nd6
Rdb8 22. Ng5 Nd8 23. Rc3 f6 24. exf6 Qxf6 25. Rf3 Qg7 26. Qh4 Ba6 27. Ngf7 Be2
28. Nh6+ Kh8 29. Ndf7+ Nxf7 30. Rxf7 Bxd1 31. Rxg7 Kxg7 32. Ng4 Bxg4 33. Qxg4
Rb7 34. h4 Rc7 35. Bd3 Re8 36. Qg3 Rf7 37. h5 Rf6 38. Qe5 Kf7 39. h6 Re7 40. g4
Nd7 41. Qc7 Nc5 42. Qd8 Nxd3 43. Qh8 Rxf2 44. Qxh7+ Ke8 45. Qg8+ Kd7 46. h7
Ref7 47. Qxf7+ Rxf7 48. h8=Q Nf4 49. Qa8 Kd6 50. Qb8+ Kc6 51. a4 Ne2+ 52. Kg2
Nxd4 53. Qe8+ Rd7 54. Qxg6 Nxb3 55. Qxe6+ Rd6 *
Position (FEN): 8/p7/1pkrQ3/3p4/P5P1/1n6/6K1/8 w - - 1 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1112
Best move: Qc8#