Today i play a match by using the hero anti mage
when the game are close to ending i suddenly disconnect but i have connect back to the game before winning the game (was connected within 5 minute before abbandon)
then my MMR still decrease 26 MMR
please fix the solution !

match id : 2320686880
http://steamcommunity.com/profiles/76561198079876120/
username : EdMuNd__TheSecretBlackSmith