Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Two_Knights_Variation
Moves: 1. e4 e6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Be7 5. d4 Nf6 6. Nxf6+ Bxf6 7. c3 O-O 8.
Bd3 Nc6 9. O-O Re8 10. Ng5 *
Position (FEN): r1bqr1k1/ppp2ppp/2n1pb2/6N1/3P4/2PB4/PP3PPP/R1BQ1RK1 b - - 6 10
Black to move.
Themes:  Opening  
Puzzle rating: 761
Best move: Bxg5