Complex sentence: After the battle Miloradovich took command of rear guard sheltering Kutuzov's army from the advancing French; enemy pressure prevented him from attending the Council in Fili that decided to surrender Moscow.
Split into simpler sentences: After the battle, Miloradovich took command of the rearguard, sheltering Kutuzov's army from the advancing French. Enemy pressure prevented him from attending the Council in Fili that decided to surrender Moscow.