Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Bd3 Ne7 6. Nf3 Bg6 7. O-O Nf5 8. Bc2
Be7 9. Bf4 c5 10. Nbd2 cxd4 11. Nxd4 Nxd4 12. cxd4 Nc6 13. Nf3 Rc8 14. Bxg6
hxg6 15. a3 g5 16. Be3 g4 17. Nd2 Rh4 18. Rc1 Bg5 19. g3 Bxe3 20. fxe3 Rh6 21.
Qxg4 Rg6 22. Qh5 Qe7 23. Rf2 Kd7 24. Rcf1 Rf8 25. Rxf7 Rxf7 26. Qxg6 Rxf1+ 27.
Kxf1 Qf8+ 28. Kg2 Ne7 29. Qd3 a6 30. b4 Qc8 31. b5 a5 32. b6 Qc6 33. Qb3 Nf5
34. Kf3 Ke7 35. a4 Qc1 36. Qd3 Qh1+ 37. Ke2 Qxh2+ 38. Kd1 Qxg3 39. Qa3+ Kf7 40.
Ke2 Nxd4+ 41. Kd1 Qg1+ 42. Nf1 Qg4+ 43. Kd2 Nf3+ 44. Kc2 Qc4+ 45. Kb2 Qxf1 46.
Qd6 Qe2+ 47. Kb1 Nd2+ 48. Kc1 Nb3+ 49. Kb1 Qd3+ 50. Ka2 Nc1+ 51. Kb2 Qd2+ 52.
Kb1 Qxe3 53. Qd7+ Kg6 54. Qe8+ Kf5 55. Qh5+ Qg5 56. Qf3+ Kxe5 57. Qc3+ Kd6 *
Position (FEN): 8/1p4p1/1P1kp3/p2p2q1/P7/2Q5/8/1Kn5 w - - 2 58
White to move.
Themes:  Endgame Dovetail Mate, Mate in 1 
Puzzle rating: 899
Best move: Qc7#