Change server from EU <East> to EU <West>

[advancytheslayer]

So there's atleast 2 EU servers, the one I am playing on is for, I guess, former CIS region? Something like EUE in Dota 2. Games take 20+ mins to find and I'm playing with the same ~20 people. How do I change server to EUW? citadel_region_override does not seem to help.