Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 Nf6 3. e4 Nc6 4. exd5 Nxd5 5. Bb5 Nxc3 6. bxc3 Bd7 7. Nf3 e6 8.
O-O Bd6 9. Bg5 Ne7 10. Qd3 O-O 11. Rab1 f6 12. Bd2 a6 13. Bc4 b5 14. Bb3 b4 15.
cxb4 Bb5 16. c4 Bc6 17. d5 exd5 18. cxd5 Nxd5 19. Bxd5+ Bxd5 20. Qxd5+ Kh8 21.
Qc6 Rb8 22. a3 Rb6 23. Qc4 f5 24. Bc3 Qd7 25. Rbd1 Rc6 26. Qb3 Re8 27. Rfe1
Rxe1+ 28. Rxe1 h6 29. b5 axb5 30. Qxb5 Kh7 31. Ne5 Bxe5 32. Bxe5 Qe6 33. h3 Rb6
34. Qe2 Qb3 35. Bxc7 Rc6 36. Qe7 Qc3 37. Bd6 Rxd6 38. Qxd6 Qxe1+ 39. Kh2 Qxf2
40. a4 Qa7 41. Qf4 g6 42. Qc4 Kg7 43. h4 g5 44. hxg5 hxg5 45. Kh3 Kg6 46. Qe6+
Kh5 47. Qxf5 Qxa4 *
Position (FEN): 8/8/8/5Qpk/q7/7K/6P1/8 w - - 0 48
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1465
Best move: Qh7#