Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 c6 5. h3 Bg7 6. Nf3 O-O 7. Be2 Bf5 8. Ne5
Nbd7 9. g4 Be6 10. Qd2 a6 11. g5 Ne4 12. Nxe4 dxe4 13. Ng4 c5 14. c3 cxd4 15.
cxd4 Rc8 16. h4 Nb6 17. b3 Qd7 18. Ne5 Bxe5 19. Bxe5 Bg4 20. h5 Qf5 21. hxg6
fxg6 22. Bxg4 Qxg4 23. Rc1 Qf3 24. Rf1 Rxc1+ 25. Qxc1 Rc8 26. Qd2 Nd5 27. Qd1
Qf5 28. Qd2 Qxg5 29. Qa5 e6 30. Kd2 Qe7 31. Rc1 Rxc1 32. Kxc1 Qd7 33. Kb2 h5
34. a4 h4 35. Qe1 Qf7 36. Qg1 Qf5 37. Ka3 h3 38. Qg3 Kf7 39. Qh4 Qh5 40. Qd8 h2
41. Qd7+ Ne7 42. Bd6 Qg5 43. Bxh2 Qf6 44. Bd6 g5 45. Qxb7 Kg6 46. Qxe7 Qxf2 47.
Kb4 Qd2+ 48. Kc5 Qa5+ 49. Kc6 Qd2 50. Qxe6+ Kh5 51. Qh3+ Kg6 52. Qg3 Qc2+ 53.
Kd7 Qxb3 54. Qe5 Qb7+ 55. Ke6 *
Position (FEN): 8/1q6/p2BK1k1/4Q1p1/P2Pp3/4P3/8/8 b - - 3 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1006
Best move: Qf7#