"Real" war gaming has degrees: dispersed, killed, surrendered / captured. Prisoners are escorted to the rear by x% guards; can be intercepted / freed, etc. In your case, it would appear all battles must end in a slaughter.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I