Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 Nxe4
8. d5 Ne7 9. a3 Bxd2+ 10. Nxd2 Nxd2 11. Bxd2 O-O 12. O-O d6 13. Bc3 Ng6 14. f4
Re8 15. Qd4 f6 16. Rae1 Bd7 17. b4 Rxe1 18. Rxe1 Qf8 19. g3 Re8 20. Qxa7 Rxe1+
21. Bxe1 Qe8 22. Qf2 Bb5 23. Bb3 Qe4 24. Bd1 Ne7 25. Bf3 Qd3 26. Kg2 Bc4 27.
Qd2 *
Position (FEN): 6k1/1pp1n1pp/3p1p2/3P4/1Pb2P2/P2q1BP1/3Q2KP/4B3 b - - 12 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 936
Best move: Qf1#