Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. e3 c5 4. c3 c4 5. b3 b5 6. a4 Qb6 7. axb5 Qxb5 8. bxc4
dxc4 9. Qa4 Bd7 10. Qxc4 *
Position (FEN): rn2kbnr/p2b1ppp/4p3/1q6/2QP1B2/2P1P3/5PPP/RN2KBNR b KQkq - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1613
Best move: Qb2