Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Bc5 6. Nb3 Bxf2+ *
Position (FEN): rnbqk1nr/1p1p1ppp/p3p3/8/4P3/1N6/PPP1BbPP/RNBQK2R w KQkq - 0 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 659
Best move: Kxf2