Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 c5 4. Nf3 dxc4 5. d5 e6 6. e4 exd5 7. exd5 Bg4 8.
Bxc4 Be7 9. O-O O-O 10. h3 Bh5 11. Re1 h6 12. Be3 Bd6 13. Be2 Nbd7 14. Rc1 Ne5
15. Nb5 a6 *
Position (FEN): r2q1rk1/1p3pp1/p2b1n1p/1NpPn2b/8/4BN1P/PP2BPP1/2RQR1K1 w - - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1621
Best move: Nxd6