Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Nc6 4. Nf3 Bg4 5. Bb5 e6 6. h3 Bb4+ 7. c3 Bd6 8. hxg4
Nxg4 9. Bxd6 cxd6 10. Nbd2 e5 11. Nxe5 Nxe5 12. dxe5 dxe5 13. Nf3 e4 14. Nd4
O-O 15. Nxc6 bxc6 16. Bxc6 Rb8 17. b3 Rc8 18. Qxd5 Qf6 19. Rc1 Rxc6 20. Qxe4
Rxc3 21. Rxc3 Qxc3+ 22. Ke2 Qb2+ 23. Kf3 Qxa2 *
Position (FEN): 5rk1/p4ppp/8/8/4Q3/1P2PK2/q4PP1/7R w - - 0 24
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 549
Best move: Qxh7#