Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Black_Mustang_Defense
Moves: 1. Nf3 Nc6 2. g3 e5 3. Bg2 Bc5 4. Nc3 Bxf2+ *
Position (FEN): r1bqk1nr/pppp1ppp/2n5/4p3/8/2N2NP1/PPPPPbBP/R1BQK2R w KQkq - 0 5
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 550
Best move: Kxf2