I know it's like picking up a piece and releasing it, but so often in my Online chess games, I make a move, and for some reason I immediately realize that I have made a mistake.  It would be nice to have a button, which if pressed within 30 seconds, will take back the move.  I think that I should use the "analysis" board before each move, my mind seems to need the visuals.

I'm confident most of us had (or have) that sensation:  the desire to 'see' the result of our move on the board (so that we can better understand it and maybe, take back that move).

I urge you to train yourself away from this, as it's too easy a habit to slide into.

sftac

I always try to move my knights diagonally but I can't. I think chess.com should make knights move diagonally.

You have several days to make your move and have to hit "submit" before you make it. I think you have enough safeguards.

There are no "take backs" in chess. Sorry.

:)   I guess I shouldn't play while working.