Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e3 a6 5. Bxc4 b5 6. Bd5 *
Position (FEN): rnbqkb1r/2p1pppp/p4n2/1p1B4/3P4/2N1P3/PP3PPP/R1BQK1NR b KQkq - 1 6
Black to move.
Themes:  Opening  
Puzzle rating: 1265
Best move: Nxd5