 Nyorai mberi kweiyi ndima - Muna 1395, apo Yury akanga achishanyira tezvara vake, Oleg Korotopol weRyazan, Grand Duke Vytautas Mukuru Vitovt weLithuania akatora Smolensk ndokuisa gavhuna wake imomo. Makore mana gare gare, Vytautas akakundwa nevaTatar muHondo yeRwizi rweVorskla. Muna 1401, Yury naOleg vakashandisa nhamo yake kuti vatorezve Smolensk neBryansk, uko vaBoyard vaitsigira Lithuania vakakurumidza kuurayiwa. 