Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Orthodox_Defense
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c5 8. dxc5
Nxc5 9. Nxd5 *
Position (FEN): r1bq1rk1/pp2bppp/4pn2/2nN2B1/2P5/4PN2/PP3PPP/2RQKB1R b K - 0 9
Black to move.
Themes:  Opening  
Puzzle rating: 1910
Best move: exd5