Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Classical_Variation
Moves: 1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Nb5 Nc6 7. Nd6+ Bxd6 8.
exd6 cxd4 9. Nxd4 O-O 10. Nb5 Qa5+ 11. Bd2 Qb6 12. a4 a6 13. a5 Qc5 14. b4 Nxb4
15. Bxb4 *
Position (FEN): r1b2rk1/1p1n1ppp/p2Pp3/PNqp4/1B6/8/2P2PPP/R2QKB1R b KQ - 0 15
Black to move.
Themes:  Opening  
Puzzle rating: 861
Best move: Qxb4+