I don’t usually repost Wargaming videos, but this is actually quite interesting. As announced earlier, WG did finish the movie about the inner workings of the matchmaker. Here it is:
However, if you expect some breaking new info, you will be disappointed. It’s a basic sum up of the stuff you can already find at World of Tanks wiki mechanics page. The only thing I didn’t know (or maybe forgot) was the fact that MM starts to ignore some of the rules after 3 minutes – I thought the “ignore” order is based on server population.
Still, in case you never bothered to read the basics or the advanced stuff on wiki, I suggest you have a look at it :)