Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. Nf3 d5 3. e3 Bg4 4. h3 Bh5 5. c4 e6 6. c5 b6 7. b4 a5 8. Bd2 axb4
9. Bxb4 Na6 10. Bxa6 Rxa6 11. a3 bxc5 12. dxc5 e5 13. g4 Bg6 14. Nxe5 Qf6 15.
f4 Be4 16. O-O h5 17. g5 Qf5 18. h4 Qh3 19. Nf3 Qg3+ 20. Kh1 Qxh4+ 21. Kg2 Qg4+
22. Kh2 h4 23. Nbd2 Qg3+ 24. Kh1 Ne7 25. Rg1 *
Position (FEN): 4kb1r/4npp1/r1p5/2Pp2P1/1B2bP1p/P3PNq1/3N4/R2Q2RK b k - 5 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1627
Best move: Qh3#