Chess puzzle (Advantage)
Opening: Bird_Opening, Bird_Opening_Williams_Gambit
Moves: 1. e4 d5 2. f4 dxe4 3. Bc4 Qd4 4. d3 exd3 5. cxd3 Bf5 6. Qa4+ Qd7 7. Bxf7+ *
Position (FEN): rn2kbnr/pppqpBpp/8/5b2/Q4P2/3P4/PP4PP/RNB1K1NR b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1684
Best move: Kxf7