Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O h6 6. Re1 O-O 7. c3 d6 8. d4
exd4 9. cxd4 Bb4 10. Bd2 Bxd2 11. Qxd2 Re8 12. Nc3 Bg4 13. Nh4 Nxe4 14. Rxe4
Rxe4 15. Nxe4 Qxh4 16. Qf4 Nxd4 17. Qxf7+ Kh8 18. Qxc7 Rf8 19. Qxb7 Nf3+ 20.
Kf1 Nd2+ 21. Nxd2 *
Position (FEN): 5r1k/pQ4p1/3p3p/8/2B3bq/8/PP1N1PPP/R4K2 b - - 0 21
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1035
Best move: Qxf2#