Premoves automatically cancels
If you have premoves enabled and you made a move that's no longer legal then it won't move. https://support.chess.com/en/articles/8562432-what-are-pre-moves-and-how-do-they-work
If you have premoves enabled and you made a move that's no longer legal then it won't move. https://support.chess.com/en/articles/8562432-what-are-pre-moves-and-how-do-they-work