Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Queens_Knight
Moves: 1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 c6 5. Nf3 Bg4 6. Bg5 *
Position (FEN): rn1qkbnr/pp3ppp/2p5/3p2B1/3P2b1/2N2N2/PPP2PPP/R2QKB1R b KQkq - 3 6
Black to move.
Themes:  Opening  
Puzzle rating: 1171
Best move: Bxf3