Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. Bc4 g6 4. d3 Bg7 5. Bg5 d6 6. Qf3 Bd7 *
Position (FEN): r2qk1nr/pp1bppbp/2np2p1/2p3B1/2B1P3/2NP1Q2/PPP2PPP/R3K1NR w KQkq - 2 7
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 550
Best move: Qxf7#