Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. h3 e6 4. c3 Nf6 5. Nd2 a6 6. e3 c5 7. Bd3 *
Position (FEN): rn1qkb1r/1p3ppp/p3pn2/2pp1b2/3P1B2/2PBP2P/PP1N1PP1/R2QK1NR b KQkq - 1 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 975
Best move: Bxd3