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Regarding moderation (administration): I have contacted them several times about cheaters (saves from HotA with the date and reason indicated) and quitters (screenshots of the chat), and I always received a reasonable and effective response.
Added 4 minutes later
Regarding the situation: I see a possible solution to the problem with a specific person (on high-level maps, Brabus is perhaps the only "controversial" player) as follows (the essence of the situation is that it is difficult to provide strict proof of cheating in maphacking):
1. The administration requests Brabus's saves (we will only consider ranked games). Most likely, cheating refers to maphacking to find the best possible join locations (the main complaints are about Anarchy + Utopia).
I think it would be appropriate to assume that if a player has cheated several times, then he most likely cheated in the vast majority of his ranked games.
2. Converting Lizard's "argument" ("If the words of a number of experienced players, who truly understand the game and have not colluded with each other, but express their opinions independently, based on a real individual analysis of various situations") into the following scheme:
A commission of experienced players analyzes, for example, ten saves. If in each of them the player behaves inconsistently with scouting and always goes to the best possible join location, etc., then I think the probability that in all 10 games he was just lucky and he made a random, illogical decision is discarded.