Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Nc6 5. d4 Qb6 6. Na3 cxd4 7. cxd4 Bxa3 8.
bxa3 Nge7 9. Qb3 Nf5 10. Be3 Bd7 11. Bd3 Na5 12. Bxf5 *
Position (FEN): r3k2r/pp1b1ppp/1q2p3/n2pPB2/3P4/PQ2BN2/P4PPP/R3K2R b KQkq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1087
Best move: Nxb3