Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Normal_Variation
Moves: 1. d4 e6 2. e4 g6 3. Nf3 Bg7 4. e5 c5 5. Bg5 Qb6 6. b3 cxd4 7. Nxd4 Bxe5 8. Be3
Nc6 9. Nxe6 Qa5+ 10. Bd2 Nb4 11. Bxb4 *
Position (FEN): r1b1k1nr/pp1p1p1p/4N1p1/q3b3/1B6/1P6/P1P2PPP/RN1QKB1R b KQkq - 0 11
Black to move.
Themes:  Opening  
Puzzle rating: 883
Best move: Qxb4+