Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Saduleto_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 c6 4. Bxc4 b5 5. Bb3 e6 6. Nc3 Bb4 7. Nf3 Nf6 8. a3
Ba5 9. Bd2 Nbd7 10. O-O Bxc3 11. bxc3 Nxe4 12. Re1 Nxd2 13. Qxd2 O-O 14. Bc2
Nf6 15. Ne5 Bb7 16. Qd3 Qd5 *
Position (FEN): r4rk1/pb3ppp/2p1pn2/1p1qN3/3P4/P1PQ4/2B2PPP/R3R1K1 w - - 7 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1627
Best move: Ng4