Serbia (Serb 1st, 2nd & 3rd Armies, 200,000 men under Fm Putnik) attacked Austria (Aus 5th & 6th Armies, 300,000 men under Gen Potiorek) in Serbia. The CAA Database of Battles records 144 hours of fighting on a front of 106 km, a frontal attack against prepared defense, and that Serbia won. Losses: Serbia 45,000 (23%), Austria 92,000 (31%).
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.