Here are 3 screenshots to give you an idea of what can be achieved against a good German player with a strong soviet winter offensive.
Basically, during the first part of the campaign, he managed to reach a line running roughly from the Luga river to the Crimean isthmus (south of the Dnepr bend) via a Rzhev-Poltava-D-Petrovsk line.
After 2 months of winter counteroffensive by 46 soviet regular and 4 shock armies, the following cities have been retaken :
In the north: Pskov, Velykie Luki,




