Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nc6 6. Nf3 Bg4 7. Bxf7+ *
Position (FEN): r2qkbnr/ppp2Bpp/2n5/8/3P2b1/5N2/PP3PPP/RNBQK2R b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 525
Best move: Kxf7