Chess puzzle (Crushing)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Saduleto_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e6 4. Nc3 c5 5. d5 exd5 6. exd5 Qe7+ 7. Be3 Nf6 8.
Bxc4 Bg4 9. Nf3 Nbd7 10. O-O g6 11. h3 Bxf3 12. Qxf3 Bg7 13. Rfe1 Ne5 14. Qg3
Nh5 15. Qh2 O-O 16. Bf4 Nxf4 17. Qxf4 Qd6 18. b3 Nxc4 19. Qxd6 *
Position (FEN): r4rk1/pp3pbp/3Q2p1/2pP4/2n5/1PN4P/P4PP1/R3R1K1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1148
Best move: Nxd6