The OKW needs to use Yelnja and Rosslawl as the final staging point
for the attack on Moscow. Outflank any prepared enemy defence position,
and just try to reach the the chaussee road Smolensk - Moscow, where the 
12th. Panzerdivision is advancing from the northwest.
( OKW was still in the believe that Moscow was still the primary target.
The fuhrer however had other plans in mind. His primary goal was now focused on 
the Ucraine, the capital of Kiev and finally the crimean peninsular.