Take the tour ×  I've just been promoted from platinum league to
diamond and master pretty fast (in 4 vs 4). This was totally
amazing for me but I'm afraid I will be demoted again to a lower
league as fast as I came higher.  If I don't play any 4 vs 4
anymore, will they demote me to a lower league automatically or
do they only do so, if I play?  share|improve this question add
comment  1 Answer  up vote 9 down vote accepted  For Master,
Diamond, Platinum, Gold, Silver, and Bronze leagues, you will
not be demoted for inactivity. (Inactive players are demoted out
of Grandmaster league.)  However, your league membership only
lasts for a season. And, if you are inactive for a full season,
then play in a later season, you are considered a "new player"
for league purposes.  Edit: If you skip an entire season, your
MMR will be reset.  MMR persists from one season to the next for
each game type as long as a Seasonal Placement Match was played
for that season. If a Seasonal Placement Match was not played
last season,