I don't know if anyone else noticed but recently a lot of people have lost their ranks me included. I was immortal 1 not even 2 weeks ago and then in the matter of a few games and 5 or so days I dropped all the way down to diamond 1 and then to plat 2 in the next few days. I managed to climb back up to D2 yesterday but I'm not the only one who had this happen to them.

I don't know if this is region specific (I play on EUW) but every single game I play there is at least one or two people in the match that had the exact same thing happened to them. This is either the biggest coincidence ever or Riot actually did something.