Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d3 Nc6 3. Nf3 d6 4. Be2 Bg4 5. O-O Qf6 6. Bg5 Qe6 7. Bh4 h6 8. c3
g5 9. Bg3 h5 10. Nxg5 Qg6 11. Bh4 Bxe2 12. Qxe2 f6 13. Ne6 Kd7 14. Nxf8+ Rxf8
15. Nd2 Nh6 16. h3 Rhg8 17. g3 f5 18. Nf3 f4 19. a4 Ng4 20. hxg4 Qxg4 21. Kh2
fxg3+ 22. fxg3 Ne7 23. Qg2 Ng6 24. Qh3 Nxh4 25. Qxh4 Qg7 26. Rf2 Kc6 27. Raf1
a6 28. d4 exd4 29. Nxd4+ Kb6 30. Rxf8 Rxf8 31. Rxf8 Qxf8 32. Kg2 Qh6 33. Qf4
Qg6 34. b4 Ka7 35. Qf2 Kb8 36. Qf5 Qe8 37. b5 a5 38. Ne6 Qd7 39. Ng7 Qxg7 40.
Qf3 h4 41. Kh3 hxg3 42. Qxg3 Qh6+ 43. Kg4 Qg6+ 44. Kf4 Qf6+ 45. Kg4 Qe6+ 46.
Kf4 Qe5+ 47. Kg4 Qxe4+ 48. Kh3 Qxa4 49. Qg8+ Ka7 50. Qg1+ b6 51. Qg7 Qc4 52.
Kg3 Kb7 53. Kf2 Qxb5 54. Qg2+ Ka6 *
Position (FEN): 8/2p5/kp1p4/pq6/8/2P5/5KQ1/8 w - - 2 55
White to move.
Themes:  Queen Endgame Mate in 1 
Puzzle rating: 1500
Best move: Qa8#