troops not running away

this has been happenning a lot, and becoming increasingly painful.
i've seen battles with chances of 1/1000000 for troops to stay in field, and they stay, wtf?
the following is a short example, the troops, could have had a chance to stay, but... hell.

Attacker:      Hello
Defender:     ******
Date:     14.01.2010 08:17
Outcome:     Repelled
Attacking Units
Unit     Amount     died
Knights     14     5
Defending Units
Unit     Amount     died
Witches     4     4
Temple Sentinels     10     8

    * The ground trembles as both armies march towards each other. The peasants of ***** run away screaming, while the armies of Hello invade their lands.
    *
    *
    *
    * Your captain orders your troops to rush towards the enemy troops.
    * test (14 Knights) saw a spider and jumped to location 3.
    * 0004 (4 Witches) moved from location 4 to 5.
    * 10 Temple Sentinels ran towards location 7.
    * test (14 Knights) moved from location 3 to 4.
    * 10 Temple Sentinels ran towards location 6.
    * test (14 Knights) kill 3 units from 0004 (4 Witches) in a melee.
    * 0004 (4 Witches) kill 0 units from test (14 Knights) in a melee.
    * test (14 Knights) saw a spider and jumped to location 5.
    * test (14 Knights) kill 1 units from 0004 (1 Witches) in a melee.
    * 0004 (1 Witches) kill 1 units from test (13 Knights) in a melee.
    * 10 Temple Sentinels kill 1 units from test (13 Knights) in a melee.
    * The bodies of 0004 (1 Witches) lie shattered, in a pool of blood, on the battlefield.
    * 10 Temple Sentinels saw a spider and jumped to location 5.
    * test (12 Knights) kill 2 units from 10 Temple Sentinels in a melee.
    * 10 Temple Sentinels kill 1 units from test (12 Knights) in a melee.
    * test (11 Knights) kill 3 units from 7 Temple Sentinels in a melee.
    * 7 Temple Sentinels kill 1 units from test (10 Knights) in a melee.
    * test (10 Knights) kill 3 units from 4 Temple Sentinels in a melee.
    * 4 Temple Sentinels kill 1 units from test (9 Knights) in a melee.
    * test (9 Knights) run away crying. I told you all of this would end in tears.
    *
    * A river of blood flows from the battlefield. While the sun sets, your captain looks over the battlefield, full of wounded and dead soldiers. The fight is over... but is the battle?