Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. Nf3 Nc6 5. Nbd2 Bf5 6. dxc5 e6 7. Nd4 Bxc5 8.
Nxf5 exf5 9. Nb3 Bd6 10. Bxd6 Qxd6 11. Bd3 f4 12. exf4 Qxf4 13. O-O O-O 14. c3
Rad8 15. g3 Qd6 16. Bb5 Ne5 17. Nd4 g6 18. Re1 Kg7 19. Qd2 h6 20. Rad1 a6 21.
Bf1 b5 22. Bg2 Nc4 23. Qc2 Rfe8 24. Rxe8 Rxe8 25. b3 Ne5 26. Ne2 h5 27. Nf4 Qb6
28. Nxd5 Nxd5 29. Bxd5 Ng4 30. Bf3 Ne5 31. Bg2 Rd8 32. Rxd8 Qxd8 33. c4 bxc4
34. bxc4 Qd4 35. Bd5 Nd3 36. Qe2 Nc5 37. Qf3 f5 38. Qe2 Ne4 39. Bxe4 fxe4 40.
Kg2 Kf6 41. Qe3 Qxc4 42. Qb6+ Kg7 43. Qb7+ Kh6 44. Qb8 Qe6 45. h4 a5 *
Position (FEN): 1Q6/8/4q1pk/p6p/4p2P/6P1/P4PK1/8 w - - 0 46
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1109
Best move: Qh8#