Since she's sure she started out with her mother, there must have been at least one previous move.

One may not play in such a way as to recreate the board position following one's previous move.

If this happens, they can then go back and answer the previous move.

The Shadow's previous move had carried him away from the safety of the study.

Marshall has demanded respect and that has been a factor in his previous moves.

The vug had now lost back over half of what it had won on its great previous move.

White can win here more easily than at the previous move with 9.

On the previous move Black, with an easily winning position, had played 73...d4?

The player can also undo previous moves and try again.

White removes one of the two black stones from the previous move.