 Rambai muchinyora ndima iyi - Mauto eFrance ekutanga nerechipiri akarwisa muAlsace-Lorraine musi wa19 na20 Nyamavhuvhu ndokurohwa nekurasikirwa kukuru nemauto eGermany, ayo akanga achigadzirira kurwisa. Joffre akafunga 20 August kuti Liège yakanga ichiri kubata chaizvoizvo yekupedzisira yeLiège nhare yakanga yadonha musi wa16 August, uye vaitarisira kuti Lanrezac yaizokwanisa kusvika kuNamur, iyo yaitarisirwa kuti icharamba iripo kwenguva yakareba. MaGermany akapinda muBrussels musi iwoyo, asi Joffre akanga agutsikana, pashure pokukundwa muAlsace-Lorraine uye mishumo yemhepo neyavatasvi vemabhiza yemauto akasimba eGermany muBelgium, kuti nzvimbo yeGermany muArdennes inofanira kuva isina simba. Musi waAugust 21 Mauto echipiri eFrance akaomeswa nechiGerman. Édouard de Castelnau akakumbira mvumo yokusiya Nancy nezvikomo zvayo zvakasimbiswa, asi Joffre akamurambidza kuita kudaro. 