static L<RuleWithParams> nlLogic_highestScore(L<RuleWithParams> battleSpace, final Map<S, Int> ruleScores) {
  int highest = Integer.MIN_VALUE;
  for (RuleWithParams r : battleSpace)
    highest = max(highest, toInt(mapGet(ruleScores, r.rule.globalID)));
  ret [RuleWithParams r : battleSpace | toInt(mapGet(ruleScores, r.rule.globalID)) == highest];
}