Just one more question
Are we playing with explicit supply?
The designer notes says :
"Supply considerations will dominate play. The explicit supply or virtual supply truck rules should be used to model this. The Soviet forces will be moving away from their logistics and were in real life suffering from huge distances to their supply heads after the rapid advances of the winter. The Star and Gallop offensives were started from the march with minimal time to stockpile and the Soviet Player will find their dumps empty by day three. From that point all supplies will be truck / wagon borne and need to be constantly moving to the front. The Axis forces are falling back on their dumps but have a conundrum in the south, as all supply was going west to east on the railways across the southern edge of the map. Historically, the cutting of the railroad at both Krasnoarmeyskoye and Sinel’nikovo prompted a desperate response to reclaim these towns and get the supplies moving again. With the bulk of the Axis supplies rail borne there is an incentive for both sides to own / interdict the rail network"
But i dont know if the explicit supply is included in your "default rules"