Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 e6 2. c4 d5 3. Nc3 dxc4 4. e4 c5 5. d5 exd5 6. exd5 Bd6 7. Bxc4 Ne7 8.
Nge2 Bf5 9. O-O Nd7 10. Re1 O-O 11. Bf4 Nb6 12. Bxd6 Qxd6 13. Bd3 Bxd3 14. Qxd3
Nexd5 15. Rad1 Rfd8 16. g3 h6 *
Position (FEN): r2r2k1/pp3pp1/1n1q3p/2pn4/8/2NQ2P1/PP2NP1P/3RR1K1 w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1917
Best move: Nf4