You click on a stack of 6 archers...all are selected for movement.

You wish to only move three archers.

You must de-select those archers you wish to stay put.

To de-select a unit, click on the movement button (found under the unit portrait).

Is that explaination clear?

edit:typo

[This message has been edited by flyguy (edited 06-29-2006 @ 02:58 PM).]

edit:typo

[This message has been edited by flyguy (edited 06-29-2006 @ 02:56 PM).]