Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. d4 e6 2. e4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 a6 6. Nf3 Nc6 7. Bd3 Qb6 8. O-O
Nxd4 *
Position (FEN): r1b1kbnr/1p3ppp/pq2p3/3pP3/3n4/3B1N2/PP3PPP/RNBQ1RK1 w kq - 0 9
White to move.
Themes:  Opening  
Puzzle rating: 1882
Best move: Nxd4