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Stockfish showing impossible moves

Why is Stockfish analysis sometimes showing impossible moves? They go away after deeper analysis...
Yeah, I occasionally get those too. Like when it suggests to move a piece from a square with no piece on it. I assume the script is a bit glitchy. Oh well.
I have noticed that SF sometimes glitches and confuses white to move/black to move (sometimes you can see dashes in the PV where none belong when SF is glitching like this). Maybe that's what OP is referring to.
Yes, this happens all of the time when I use the engine. I usually use the caveman approach of refreshing the page and it goes away.

It requires some attention to fix.

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