ENT Gaming

I don't understand something.
I've had 1023 ELO, then played 354th game, which I won.
However, just before we won, and king was attacked really hard, all the players from the opposite team left.
I have no clue, whether it's connected with their leaving, but now I have 1004 ELO... which is impossible.
Is this some sort of bug or something?

You are talking about this game? https://entgaming.net/findstats.php?id=4197304
Seems like you lost. Did you?

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Edit:
Ehhhh just watched the replay. You lost during lvl 17.

Now, lets do the math.

1023(elo you had before the game) - 18.84(since you lost) = 1004.16 elo (which is what you have now).

Case Closed.