Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. a4 a6 7. Ne2 *
Position (FEN): r2qkbnr/1p1b1ppp/p1n1p3/1BppP3/P2P4/2P5/1P2NPPP/RNBQK2R b KQkq - 1 7
Black to move.
Themes:  Opening  
Puzzle rating: 1130
Best move: axb5