USSR (Sov 90th Rifle Div, 10,800 men under Gen Lyashchenko) attacked Germany (Ger 7th Inf Div, 3,100 men under unrecorded commanders) in Poland. The CAA Database of Battles records 12 hours of fighting on a front of 2 km, a frontal attack against fortified defense, and that neither side won. Losses: USSR 685 (6%), Germany 145 (5%).
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.