Chess puzzle (Advantage)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Queens_Knight_Defense
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bc4 g5 5. Bxf7+ *
Position (FEN): r1bqkbnr/ppp2B1p/2np4/4p1p1/4PP2/5N2/PPPP2PP/RNBQK2R b KQkq - 0 5
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 570
Best move: Kxf7