Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Giuoco_Pianissimo
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 h6 6. Bh4 g5 7. Bg3 d5 8. exd5
Nxd5 9. Qe2 f6 10. Qe4 Nb6 11. Qg6+ Kf8 *
Position (FEN): r1bq1k1r/ppp5/1nn2pQp/2b1p1p1/2B5/3P1NB1/PPP2PPP/RN2K2R w KQ - 4 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 900
Best move: Qf7#