Chess puzzle (Checkmate)
Moves: 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 g4 6. Nh4 h5 7. d4 Be7 8. Be3
Bxh4 9. gxh4 Qxh4+ 10. Bf2 Qe7 11. Qd3 Nh6 12. Nc3 Nc6 13. Bg2 Nf5 14. O-O-O
Bd7 15. Nd5 Qg5+ 16. Kb1 O-O-O 17. Bg3 Be6 18. Bf4 Qg7 19. Nxc7 Rxd4 20. Nxe6
fxe6 21. Qb3 Rxf4 22. Qxe6+ Kb8 23. Rd7 Qe5 24. Rxb7+ Ka8 25. Qxc6 Nd4 26. Rb8+
Kxb8 *
Position (FEN): 1k5r/p7/2Q5/4q2p/3n1rp1/8/PPP1P1BP/1K5R w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 931
Best move: Qb7#