I don't remember a time when I had to run away from an AI opponent. This poor guy rarely takes my castles (unless they are empty or have only one or two peasants inside).

If I remember correctly, you don't play on Champion difficulty. That's why he rarely wins...

The topic is strange again... Tactical retreat is tactical retreat. The whole point is that it's tactical. I never retreat (it's easier for me to reload) because I lose my army, but sometimes I have to pay a ransom. And I haven't retreated against a human player yet, because we both usually approach the final battle well-prepared, and the battle is a competition of strategies.