Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. Qd4 Nc6 6. Qc3 b6 7. cxb6 *
Position (FEN): r1bqkb1r/p4ppp/1Pn1pn2/3p4/5B2/2Q1P3/PPP2PPP/RN2KBNR b KQkq - 0 7
Black to move.
Themes: Pin Opening  
Puzzle rating: 1581
Best move: Bb4