Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 d5 3. e3 c5 4. c3 Nf6 5. Bd3 Nc6 6. Nbd2 Bd6 7. Qe2 c4 8. Bc2
e5 9. e4 exd4 10. exd5+ Ne7 11. Nxd4 Nxd5 12. N2f3 Nb6 13. O-O O-O 14. Qe4 Ng6
15. Qe2 Bg4 16. h3 Bd7 17. Bg5 f6 18. Bd2 Re8 19. Qd1 Qc7 20. h4 Bg4 21. Be3
Nxh4 22. Qd2 Bxf3 23. gxf3 Bh2+ 24. Kh1 Rad8 25. b3 Nxf3 26. Qe2 Nxd4 27. cxd4
g6 28. bxc4 Nxc4 29. Bb3 b5 30. Rfc1 Rxd4 31. a4 Rh4 32. Kg2 Qb7+ 33. f3 Kh8
34. Bxc4 bxc4 35. Rxc4 Rxc4 36. Qxc4 Rxe3 37. Kxh2 Qb2+ 38. Kg3 Qxa1 39. Qc8+
Kg7 40. Qc7+ Kh6 41. Qf4+ g5 42. Qxe3 Qxa4 43. Kf2 a5 44. Qe7 Qa2+ 45. Kg3 Kh5
*
Position (FEN): 8/4Q2p/5p2/p5pk/8/5PK1/q7/8 w - - 4 46
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 762
Best move: Qxh7#