Make sure the move is legal.... Is your king in check? Does the move you are trying to make put your king in check? If the answer to either of these questions is yes, then the move is illegal, and you must choose a legal move. If that is not the case, then try a hard refresh by pressing CTRL + R on the page.
tehnical problems..
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i am making move but it doesnt want to submit///what i need to do///