 Nyora kupfuurira kweiyi ndima - Pakutanga kwekutonga kwake Muscovite Grand Prince Vasily II aive mudiki kwazvo, saka simba rakaiswa mumaoko emurindi wake Vytautas. Iwoyo wakanga uri mukana wokupedzisira waTver wokudzivisa Moscow kuva nesimba rakakwana. Muna 1427 Boris I akauya kuzoshumira Vytautas pamwe chete naIvan III weRyazan, vachiri kugara mutongi weTver. Zvisinei, muna 1430 Vytautas akafa uye Grand Duchy yeLithuania yakanyura mukukakavadzana kwemukati. Munguvayi muRus yakatanga Muscovite Civil War, izvo zvakapedza simba machinda eMoscow ndokurega Humambo hweTver huchiwedzera kuzvimiririra. 