Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxc6 bxc6 7. O-O d5
8. Bb3 Bc5 9. c4 Ba6 10. cxd5 Bxf1 11. Kxf1 Qf6 12. Qe2 O-O 13. Qxe4 *
Position (FEN): r4rk1/p1p2ppp/2p2q2/2bP4/4Q3/1B6/PP3PPP/RNB2K2 b - - 0 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 528
Best move: Qxf2#