Germany (Ger 2nd Army, 260,000 men under Gen Buelow) attacked France (Fr 5th Army, 200,000 men under Gen Lanrezac) in France. The CAA Database of Battles records 14 hours of fighting on a front of 50 km, a frontal attack, single envelopment, left flank against hasty defense, and that neither side won. Losses: Germany 12,000 (5%), France 8,000 (4%).
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.