Chess puzzle (Advantage)
Opening: Benoni_Defense, Benoni_Defense_Cormorant_Gambit
Moves: 1. d4 c5 2. dxc5 b6 3. cxb6 Qxb6 4. Bd2 Ba6 5. b4 e6 6. a3 Nc6 7. Nf3 Rd8 8. c3
d5 9. a4 d4 10. a5 Qc7 11. cxd4 Nxd4 12. Qa4+ *
Position (FEN): 3rkbnr/p1q2ppp/b3p3/P7/QP1n4/5N2/3BPPPP/RN2KB1R b KQk - 1 12
Black to move.
Themes: Defensive Move Opening  
Puzzle rating: 1145
Best move: Bb5