Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Central_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Nf3 Nf6 5. Nc3 Be6 6. e5 Nd5 7. Bxc4 *
Position (FEN): r2qkb1r/ppp1pppp/2n1b3/3nP3/2BP4/2N2N2/PP3PPP/R1BQK2R b KQkq - 0 7
Black to move.
Themes:  Opening  
Puzzle rating: 1057
Best move: Nxc3