So I see the refs have been told to make sure this series goes more than four games.
I'm not watching, but, I think it would be good that it goes to four games regardless. For example, is it nicer to win a series away or at home? Hence, if the series goes to five games, and CSKA wins, then for them that is nice because they would win at home. And, it may help their attendance figures?
I suppose that using this logic, seven game series are the best, but, I hope it will be over in five in this case.