USSR (Sov 91st Rifle Corps, 17,550 men under Mg Volkov) attacked Germany (Ger 171st, 214th & 17th Inf Divs, 6,400 men under unrecorded commanders) in Poland. The CAA Database of Battles records 120 hours of fighting on a front of 12 km, a frontal attack against prepared defense, and that Germany held. Losses: USSR 3,040 (17%), Germany 785 (12%).
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.