guys, you must aim the target yellow to the left of the screen (look at the tutorial) it shows the point of weakness of your enemy. No need to point to the face or shield, as it does not always coincide with the weakness point.
if you put full-line soldiers, you are nulling the possibility that they move. You can save energy and win points if you use fewer soldiers and move more!
Besides, check, the last soldiers don´t reach to the shooting distance