Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. Bc4 Nf6 4. Nxe5 Bxf2+ 5. Kf1 d5 6. Nxf7 *
Position (FEN): rnbqk2r/ppp2Npp/5n2/3p4/2B1P3/8/PPPP1bPP/RNBQ1K1R b kq - 0 6
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1602
Best move: Kxf7