Chess puzzle (Crushing)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O Na5 *
Position (FEN): r1bqkbnr/pppp1p1p/8/n7/2BPPp2/2N2p2/PPP3PP/R1BQ1RK1 w kq - 2 8
White to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1369
Best move: Bxf7+