Recently, in the WoT community there were speculations that the IS-7 has an increased XP coeficient. As an example, several battles were made, where the player in the IS-7, doing practically nothing, gained more experience than more active vehicles in combat. Immediately there was speculation that WG specifically favors Soviet tanks in the game, giving the IS-7 as the biggest proof.
Afterwards, the official response came from Kandly:
http://rykoszet.info/wp-content/uploads/2018/02/is7_oszukany-1024×291.png
Links to forum talks on the subject: 1, 2, 3
