NoMommsen
Donor
From the OP :Depends when mobilization happens..
and1. In early August 1914, ...
I would assume a PoD on 1st or 2nd August.In this TL, the Germans can just not declare war on the French and not declare war on the Russians (if they haven't already) while transferring the forces. ...
Therefore russian full mobilisation as well as Austrian full mobilisation as well as french mobilisation are ordered and on their way.
Unlikely. The redeployment of 2nd Army to southern galicia was ordered 30th or 31st August already. That it take so long was a technical railways schedule problem.In this TL perhaps the Austrians can keep second army in Serbia, occupy Belgrade ...
And given the overall performance of the austrian forces (esp. High Command(s)) I still would rener it doubtfull, that Austria would have managed a serbian defeat even with the 2nd Army there.