Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 a6 5. Ba4 b5 6. Bb3 d6 7. h3 Be6 8. d4
exd4 9. cxd4 Bxb3 10. Qxb3 Ng6 11. O-O Be7 12. e5 dxe5 13. dxe5 Ncxe5 14. Re1
Nxf3+ 15. Qxf3 O-O 16. Be3 Re8 17. Nc3 Bb4 18. Rad1 Qe7 19. Bd4 Qd6 20. Re3
Rad8 21. Bxg7 Qf4 22. Rxe8+ Rxe8 23. Qxf4 Nxf4 24. Bf6 Bxc3 25. Bxc3 Ne2+ 26.
Kf1 Nxc3 27. bxc3 c5 28. Rd7 b4 29. cxb4 cxb4 30. Rb7 a5 31. Rb5 Ra8 32. Ke2
Kf8 33. Kd3 Ke7 34. Kc4 Kd6 35. Kb3 Kc6 36. Ka4 Ra7 37. Rxa5 Rxa5+ 38. Kxa5 Kc5
39. Ka4 f5 40. Kb3 h5 41. h4 f4 42. g3 fxg3 43. fxg3 Kb5 44. Kb2 Kc4 45. Kc2
Kd4 46. Kb3 Kc5 47. Kc2 Kd4 48. Kb3 Kc5 49. Ka4 Kc4 50. g4 hxg4 51. h5 g3 52.
h6 g2 53. h7 g1=Q 54. h8=Q *
Position (FEN): 7Q/8/8/8/Kpk5/8/P7/6q1 b - - 0 54
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1103
Best move: Qa7#