Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5 5. d4 Bb6 6. Nc3 d6 7. Nf3 Qf6 8.
Nd5 Qg6 9. Nxf4 Qxe4 10. Bxf7+ Kf8 11. Bd5 Qf5 12. Nh4 Qd7 13. Ne6+ Ke8 14.
Qh5+ g6 15. Nxg6 Qf7+ 16. Nef4 Qg7 17. Nxh8+ Kd8 18. Nf7+ Ke7 19. Bd2 Qxd4 20.
Re1+ Kf8 21. Ng5 *
Position (FEN): rnb2kn1/ppp4p/1b1p4/3B2NQ/3q1N2/8/PPPB2PP/4RK1R b - - 3 21
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1427
Best move: Qf2#