Whakaotihia te rerenga e whai ake nei: I te whakaoho, i whakawhiwhia te XVII Corps ki te 8th Army ki te tiaki i East Prussia, i te wa i mahia e te toenga o te ope taua te whakaeke a Schlieffen Plan i Akuhata 1914. I uru ia ki nga pakanga o Gumbinnen, Tannenberg me te 1st Masurian Lakes. I muri tonu i te whakamutunga, ka uru atu ki te 9 o nga ope i Lower Silesia, i reira i whawhai ai i te
Te Pakanga o te awa o Vistula.