The opening is still dangerous at most levels. In the declined lines (with ...d5) the better player should win as there is an imbalanced pawn structure and the endgame is tough to play.
For further proof look at the Danish thematic tournament--usually the stronger player wins whether he is white or black.
Openings give you a playable middlegame. They rarely determine the result of a game unless there is a blunder.
I play the Danish all the time. I even had the pleasure of playing it against a FM on live chess and while I lost the opening was not to blame.
this opening, once deemed among the most formidable weapons at WHITE's disposal, is now virtually obsolete among masters. the reason is that perhaps of the remarkable advances that have been achieved in the art of defensive play. so, let's discuss about it..