Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. g3 Bxf2+ *
Position (FEN): rnbqk1nr/pppp1ppp/8/4p3/4P3/5NP1/PPPP1b1P/RNBQKB1R w KQkq - 0 4
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 684
Best move: Kxf2