Can be on you?
that it would not be desirable because of the very suitable and perfect occurrence of key in domain name
From standing start, all do not care for the occurrence of the key in your domain, I have no one site has the key to the domain not included and there is nothing, 3, 10, 14, 50 thousand people a day walk.
Could it be AGS due to bad links on a domain?
Yandex officially bans for external links, if they consider that you bought them.
How to deal with bad links to your site in Yandex?
Improve your website from the inside and once a positive intrinsic effect will improve the negative external. To Plato can write can ride.
Will you take into account a past finding by AGS
Here's a look at this graph of traffic from Yandex, and say that it is possible to predict such behavior of a search engine? I have a feeling that they do not know will or will not be, but you have to ask )