Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. d4 e6 2. e4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Nc6 6. Qd1 Bd7 7. Nc3 Bb4 8. Bd3
d4 9. O-O *
Position (FEN): r2qk1nr/pp1b1ppp/2n1p3/4P3/1b1p4/2NB1N2/PPP2PPP/R1BQ1RK1 b kq - 1 9
Black to move.
Themes:  Opening  
Puzzle rating: 1016
Best move: dxc3