Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 b5 4. a4 Ba6 5. axb5 Bxb5 6. Nc3 a6 7. Nxb5 Nc6 8.
Nc3 e6 9. Bxc4 Nb4 10. Qa4+ Qd7 11. Qxb4 *
Position (FEN): r3kbnr/2pq1ppp/p3p3/8/1QBP4/2N1P3/1P3PPP/R1B1K1NR b KQkq - 0 11
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 808
Best move: Bxb4