Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 Nc6 5. Bg2 h5 6. O-O h4 7. Nxh4 Rxh4 8.
gxh4 Ng4 9. h3 Nh6 10. d3 Qxh4 11. Ne4 b6 12. Bg5 Qh5 13. e3 Qg6 14. Qf3 Bb7
15. Bf4 f5 16. Nd6+ Bxd6 17. Bxd6 Nf7 18. Bg3 Ng5 19. Qf4 Qh6 20. h4 Nf7 21.
Qc7 Rb8 22. Bxc6 Bxc6 23. Qxb8+ Ke7 24. Qf4 g5 25. hxg5 *
Position (FEN): 8/p2pkn2/1pb1p2q/2p2pP1/2P2Q2/3PP1B1/PP3P2/R4RK1 b - - 0 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 734
Best move: Qh1#