Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 c6 3. e3 e6 4. Nf3 Bd6 5. Bg3 Nf6 6. Nbd2 Nbd7 *
Position (FEN): r1bqk2r/pp1n1ppp/2pbpn2/3p4/3P4/4PNB1/PPPN1PPP/R2QKB1R w KQkq - 6 7
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 870
Best move: Bxd6