Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 a6 5. a4 Bf5 6. a5 b5 7. axb6 cxb6 8.
Rxa6 Rxa6 9. Bxa6 Bxb1 10. Qa4+ Qd7 *
Position (FEN): 1n2kb1r/3qpppp/Bp3n2/8/Q2P4/4P3/1P3PPP/1bB1K1NR w Kk - 2 11
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1007
Best move: Bb5