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Race condition bug?

About three times in the last two weeks I met a bug which probably has to do with premove(s).
The symptom is that my immediate premove will be shown on the board after the move from the other side, but both clocks don't run anymore and yet it is shown that it is my turn to move(but of course I cannot move anymore, because my move was already made).
The only thing one can do now is talk to the opponent and tell him there is a bug and offer a draw. I guess it happens when both used premove at nearly the same time(no idea what time resolution is used here).
I met a similar issue, did a page reload and it worked...
It happened to me once. Reloading the page worked for me. The problem is... reloading takes precious time when you're against the clock!

It happened to me only once in 2000 games.

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