Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. e3 Bg7 3. Bd3 Nf6 4. f4 b6 5. Nf3 Nc6 6. O-O Bb7 7. c3 O-O 8. Nbd2
Rb8 9. Qe2 a5 10. Ne5 d6 11. Nef3 Qd7 12. e4 Qg4 13. g3 Rfe8 14. Nc4 e5 15.
fxe5 dxe5 16. dxe5 Nd7 17. Ne3 Qh3 18. Ng5 Qh5 19. Qxh5 gxh5 20. Rxf7 Ndxe5 21.
Rxc7 Nxd3 22. Nf5 Be5 23. Nh6+ Kf8 *
Position (FEN): 1r2rk2/1bR4p/1pn4N/p3b1Np/4P3/2Pn2P1/PP5P/R1B3K1 w - - 4 24
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 665
Best move: Rf7#