Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Morphy_Gambit
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Bc4 Be7 5. Qxd4 Bf6 6. Qd5 Qd7 7. Bf4 *
Position (FEN): rnb1k1nr/pppq1ppp/3p1b2/3Q4/2B1PB2/5N2/PPP2PPP/RN2K2R b KQkq - 4 7
Black to move.
Themes:  Opening  
Puzzle rating: 1597
Best move: Bxb2