Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Nh5 4. Qxh5 e6 5. Nf3 Be7 6. Bd3 g6 7. Qh6 Bf8 8. Qh3
e5 9. Qg3 exf4 10. Qxf4 Nd7 11. Nc3 Bb4 12. Ne5 Bxc3+ 13. bxc3 O-O 14. Ng4 f5
15. Nh6+ Kg7 16. h4 Nf6 17. Qg5 Qd6 18. Bxf5 Nh5 19. g4 Bxf5 20. gxf5 Rf6 21.
Ng4 Rxf5 22. Qh6+ Kh8 23. Ne5 Raf8 24. f4 b6 25. Rg1 Rg8 26. Rg5 Rxg5 *
Position (FEN): 6rk/p1p4p/1p1q2pQ/3pN1rn/3P1P1P/2P1P3/P1P5/R3K3 w Q - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1166
Best move: Nf7#