Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Normal_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. a3 g6 5. Nf3 h6 6. Bf4 Ne4 7. Nb5 Na6 8. e3 g5
9. Be5 f6 10. Qa4 c6 11. Bd3 fxe5 12. Bxe4 exd4 13. Bg6+ Ke7 14. Ne5 Nc5 15.
Qc2 Rg8 *
Position (FEN): r1bq1br1/pp2k3/2p1p1Bp/1NnpN1p1/2Pp4/P3P3/1PQ2PPP/R3K2R w KQ - 6 16
White to move.
Themes:  Middlegame  
Puzzle rating: 2219
Best move: Nxd4