USSR (Sov Voronezh Ag(+), 980,600 men under Gen Vatutin) attacked Germany (Ger 4th Pz Army(+), 280,000 men under Gen Hoth) in USSR. The CAA Database of Battles records 480 hours of fighting on a front of 250 km, a frontal attack, double envelopment against prepared defense and fortified defense, and that USSR won. Losses: USSR 117,700 (12%), Germany 39,500 (14%).
This plan is generated from those figures. It shows the shape of the battle the database describes: the size and width of the armies, the plan of attack and the outcome. It does not show where the units actually stood.