Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. Be3
e6 9. Nc3 Bb4 10. Be2 O-O 11. O-O Bxc3 12. bxc3 Na5 13. Nd2 Bxe2 14. Qxe2 Qe7
15. Rf3 Qa3 16. Qd3 Qb2 17. Raf1 Qxa2 18. Rh3 g6 19. Ne4 h5 20. Nf6+ Kg7 21.
Rxh5 Rh8 22. Rxh8 Rxh8 23. Ng4 Qxc4 24. Qd2 Nd5 25. Bh6+ Kg8 26. Qf4 Nxf4 *
Position (FEN): 6kr/ppp2p2/4p1pB/n3P3/2qP1nN1/2P5/6PP/5RK1 w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 915
Best move: Nf6#