Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 d5 4. exd5 e4 5. Ng5 Nxd5 6. Nxe4 Nb6 7. Bxf7+ *
Position (FEN): rnbqkb1r/ppp2Bpp/1n6/8/4N3/8/PPPP1PPP/RNBQK2R b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 434
Best move: Kxf7