Chess puzzle (Checkmate)
Opening: Bishops_Opening, Bishops_Opening_Ponziani_Gambit
Moves: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. e5 Ng4 5. Bxf7+ Kxf7 6. Qxg4 Bb4+ 7. Bd2 Nc6
8. Bxb4 Nxb4 9. Qf5+ Kg8 10. Nf3 d6 11. e6 d3 *
Position (FEN): r1bq2kr/ppp3pp/3pP3/5Q2/1n6/3p1N2/PPP2PPP/RN2K2R w KQ - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 867
Best move: Qf7#