Claim: Mahakörgis Khan was given the title Ükegtü, they fought Tümeds and defeated Oirads.
Evidence: Mahakörgis was given the title Ükegtü because he sat inside a cart during the battles. After that Samar taifu and Dogholon taishi of the seven Tümeds crowned the boy Khagan. Bulay of the Kharchin and Dogholon held the real power, and constantly fought each other for dominance. They defeated the Oirads and returned with plundered goods.