Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 a6 5. Ba4 b5 6. Bb3 Bg4 7. Bxf7+ *
Position (FEN): r2qkbnr/2p2Bpp/p1np4/1p2p3/3PP1b1/5N2/PPP2PPP/RNBQK2R b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 578
Best move: Kxf7