Yeah, the fitness metric was simply survival time, which is diminished as soon as you encounter conflict. I would expect conflict behaviour to arise if the met

Yeah, the fitness metric was simply survival time, which is diminished as soon as you encounter conflict. I would expect conflict behaviour to arise if the metric was modified so that say.. defeating another entity acquires the victor some portion of the other entity's current score (e.g. log(score(other-entity))).