Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. c4 e6 2. d4 d5 3. Nc3 Bb4 4. g3 Bd7 5. Bg2 c6 6. Qc2 dxc4 7. e4 Ne7 8. a3
Bxc3+ 9. Qxc3 b5 10. Nf3 a5 11. b3 cxb3 12. Qxb3 a4 13. Qc3 Qa5 14. Bd2 Qxc3
15. Bxc3 O-O 16. Kd2 Na6 17. Ne5 Rfc8 *
Position (FEN): r1r3k1/3bnppp/n1p1p3/1p2N3/p2PP3/P1B3P1/3K1PBP/R6R w - - 5 18
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1147
Best move: Nxd7