In particular, some sources (such as Erickson and Glantz) exclude the Rzhev offensive from the scope of the battle, considering it as a distinct operation and making the Moscow offensive "stop" on 7 January 1942—thus lowering the number of casualties.
I særlig grad gælder det, at nogle kilder (såsom Erickson og Glantz) ikke medtager Rzhev-offensiven i slaget, idet de betragter den som en særskilt operation og lader Moskva-offensiven slutte den 7. januar 1942 — hvilket betyder at, tabstallene bliver mindre.