Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 f6 6. exf6 Nxf6 7. Bb5+ Bd7 8.
Nxe6 Qa5+ 9. Nc3 *
Position (FEN): rn2kb1r/pp1b2pp/4Nn2/qB1p4/8/2N5/PPP2PPP/R1BQK2R b KQkq - 2 9
Black to move.
Themes:  Opening  
Puzzle rating: 1146
Best move: Bxb5