 Nyora kupfuurira kweiyi ndima - Apo kupamba kweRussiavachityisidzira kumashure kwake, Prittwitz akakarakadza kudzokera kumadokero kweVistula. Ikoku kwakareva kusiya East Prussia, iyo vakuru vakuru veGermany vakawana isingagamuchiriki. Mukuwedzera, mutungamiri weI Corps Hermann von François akanyunyuta kuGeneral Staff kuti mukuru wake akanga achitya; General Staff yakabvumirana mukuongorora uku. Prittwitz akakurumidza kutsiviwa semutungamiri weEighth Army naPaul von Hindenburg musi wa 23 Nyamavhuvhu 1914. Hindenburg, nomukuru wake wehurumende Erich Ludendorff, ipapo vakaparadza mauto maviri echiRussia akanga achipinda muhondo paTannenberg neMasurian Lakes. 