Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Qa4 Ne7 6. Bc4 g6 7. Bg5 Bd7 8.
Qb3 Na5 *
Position (FEN): r2qkb1r/pppbnp1p/3p2p1/n5B1/2B1P3/1Q3N2/PPP2PPP/RN2K2R w KQkq - 4 9
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 699
Best move: Bxf7#