Something that may be of interest to Scenario designers. A detailed day-day analysis of formation strengths of both sides at Kursk by the US Army Center for Strategy and Force Evaluation. I found this digging around for info on the KV-2 and discovered they were in service 16 months longer than we had them in the game
https://apps.dtic.mil/dtic/tr/fulltext/u2/a360311.pdf