Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bf4 Bb4+ 5. Nbd2 Nc6 6. e3 Nh5 7. a3 Be7 8. Be2
Nxf4 9. exf4 O-O 10. O-O Re8 11. Qc2 b6 12. Nb3 Bb7 13. Rfe1 f6 14. Bd3 h6 15.
Re2 dxc4 16. Bxc4 Bd6 17. d5 exd5 18. Bxd5+ Kh8 19. Nbd4 *
Position (FEN): r2qr2k/pbp3p1/1pnb1p1p/3B4/3N1P2/P4N2/1PQ1RPPP/R5K1 b - - 2 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 867
Best move: Nxd4