Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Queens_Knight
Moves: 1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Bd6 5. Nf3 Nc6 6. Nxd5 Be6 7. Ne3 Nge7 8.
d5 Nxd5 9. Nxd5 Bxd5 10. Qxd5 *
Position (FEN): r2qk2r/ppp2ppp/2nb4/3Q4/8/5N2/PPP2PPP/R1B1KB1R b KQkq - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1007
Best move: Bb4+