Frustrated by the slow advance, Zhukov threw in his reserves, which according to his earlier plan were to be held back until the expected breakthrough.
Turhautuneena hitaaseen etenemiseen Zhukov lähetti reservinsä taisteluun muuttaen aiempia suunnitelmiaan, joissa niitä olisi pidätelty ennen odotettua läpimurtoa.