Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Modern_Variation
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. cxd5 Bb4 7. dxe6 Bxe6 8.
e3 O-O 9. Nf3 Bg4 10. Be2 c5 11. O-O Nc6 12. Ne4 Qe7 13. Nxc5 Bxc5 14. dxc5
Qxc5 15. Rc1 Qb6 16. Qa4 Bd7 17. Qb5 *
Position (FEN): r4rk1/pp1b1pp1/1qn4p/1Q6/8/4PN2/PP2BPPP/2R2RK1 b - - 5 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1935
Best move: Nd4