Is there a cheating detection system for the variants?

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UCShreds

Nobody likes to lose, but losing to players with 500 ELO or less, is my case simply impossible.

I am talking about most variants available on this site, but antichess (or giveaway) seems to be way too easy for some players to cheat at. 

Ofcourse it's possible to learn certain lines, but not if you suck at normal chess. It just raises a red flag immediately.

So, is there a cheat-detection for these variants?

worldsbestwatcher

Who said anything about focusing on a certain flag? Not me. "Diversity is our strength."