Why did we lose ELO?

Age of Empires II: DE II - Discussion
1

Why did we loose ELO in this game?

3v3, after a long game two enemies resigned, then the last disconected, on purpose I guess.

MP Replay v101.101.59165.0 @2022.04.03 130558 (2).aoe2record (4.4 MB)
two enemies resigned, then the last disconected, on purpose I guess.