Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 c6 6. Nf3 g6 7. Be2 Bg7 8. O-O
O-O 9. Rb1 Qc7 10. d5 Rd8 11. Qb3 Ne8 12. Bc4 b5 13. Bd3 a6 14. a4 Nd7 15. dxc6
*
Position (FEN): r1brn1k1/2qnppbp/p1P3p1/1p6/P3P3/1QNB1N2/1P3PPP/1RB2RK1 b - - 0 15
Black to move.
Themes:  Opening  
Puzzle rating: 1626
Best move: Nc5