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 Qa5 6. Bxc6+ bxc6 7. Qd2 Ba6 8. Ne2
cxd4 9. cxd4 Bb4 10. Nbc3 Bxe2 11. Qxe2 *
Position (FEN): r3k1nr/p4ppp/2p1p3/q2pP3/1b1P4/2N5/PP2QPPP/R1B1K2R b KQkq - 0 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 848
Best move: Bxc3+