A program for calculating the strength of the guard on random maps in Heroes of Might and Magic III, called H3CalcGuards.

Yes, I understand everything correctly and that it is usually used during the opponent's turn. But what prevents you from remembering 2-3 guards and the objects behind them, and then, during the battle, see what's what. Often, you simply enter a battle and spend 2-3 minutes thinking about what chains to build afterward.