Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Marshall_Gambit
Moves: 1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 dxe4 6. Nxe4 Nc6 7. Bb5 Bd7 8.
Bg5 Be7 9. Nd6+ Kf8 10. Qf3 Bxg5 *
Position (FEN): r2q1knr/pp1b1ppp/2nNp3/1B4b1/3N4/5Q2/PPP2PPP/R3K2R w KQ - 0 11
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 777
Best move: Qxf7#