[2020] Lol thanks ubi

Originally posted by Tengku_Razin: that's the mmr rollback feature. It means you faced cheaters before and lost so now you get your elo back.

Thanks for the assist, Tengku.

I know losing MMR due to the rollback can be seen as a punishment since gaining it in Ranked matches can be difficult, but the system solely exists to make sure your rank reflects legit matches only.