Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd2 *
Position (FEN): r1b1kbnr/pp3ppp/1qn1p3/2ppP3/3P4/2P2N2/PP1B1PPP/RN1QKB1R b KQkq - 4 6
Black to move.
Themes:  Opening  
Puzzle rating: 1327
Best move: Qxb2