Following the death of Bala, Ptince Haidu, descendant of Ogedei, became the major rival of the Yuan Dynasty in Central Asia. He placed Duwa, son of Bala, as Chagatai Khan, thus controlling two khanates, Chagatai and Ogedei. Haidu controlled the area from Uygur in the south to upper Shi River at Yer in the north, reaching Kashgar and the Talas river valley in the west, which should belong to the Great Khan. After wiping out the Song Dynasty in 1276 (the 13th year of Zhiyuan reign under Shizu Emperor of Yuan Dynasty), the Yuan government was finally able to send troops into the Western Regions to fight Haidu. However, due to the entrenched strength of the rebellious princes in the northwest and the difficulty in transport and supply provision for the Yuan army, the Yuan government found it hard to station troops for long in that area. In 1289 (the 26th year of Zhiyuan reign), the Yuan Dynasty “cancelled the Office of Marshall”ï¼and afterwards, the Yuan troops were driven out of the Uygur region (early in the Dade reign of Yuan Dynasty). In 1301 (the 5 th year of Dade reign), the joint forces of Haidu and Duwa crossed the Antai Mountains (Altay Mountains) and fought a intensive fight with the Yuan troops, which made both Haidu and Duwa injured. The former died on his way back and his son Chabar succeeded to his title.
The fight between Haidu and Duwa on the one hand and the Yuan Dynasty on the other wreaked havoc to local economy, and deeply affected both the Chagatai and Ogedei Khanates. In 1303 (the 7th year of Dade reign), Duwa and Chabar asked for peace from the Yuan Dynasty and recognized Yuan emperors as their rulers. Shortly after that there was a conflict between Duwa and Chabar. The Yuan government supported Chagatai Khanate and sent armies to attack Chabar’s troops from behind. As a result, Chabar was defeated and had to surrender to Duwa, and most of his land was incorporated into Chagatai Khanate. In 1309 (the 2nd year of Zhida reign), Chabar took part in a domestic conflict in Chagatai Khanate and fled to the Yuan Dynasty after that operation failed. Most of his land was taken by the new Chagatai Khan, Yesh-Bogha, and Ogedei Khanate came to its end.
Yesh-Bogha got on well with the Yuan government first but later the two were at odds with each other. Both sides saw victories and defeats in their fight. In 1320, Yesh-Bogha died and was succeeded by his younger brother, Qebe, who reversed the bad ties with the Yuan government. Two years later, peace was restored. In Qebe period, the political centre of Chagatai Khanate began to gradually shift westward. Qebe was succeeded by his younger brothers, first Yazjetai and then Dulatimer. Based on records in History of Yuan (bl. 63ï¼Geography, Northwest), the territory of Chagatai Khanate included today’s Kabul in Afghanistan, Bukhara and Samarkand in Transoxiana and places in the north and south of today’s Xinjiang. In 1331 (the 2nd year of Zhishun reign), the son of Duwa, Talmasli succeeded as Khan. He stayed at the frontier area of Khurasan in the west of the khanate for years and declared himself Muslim In 1334 (the 2nd year of Yuantong reign), the son of Dulatimer, Buzan rallied troops against Talmasli, accusing the latter of violating Zasa (law). Talmasli was Año Nuevo el calendario lunar Chino captured and killed on his way of fleeing. After that there were frequent changes of khans in Chagatai Khanate. By mid-14th century, the khan of Chagatai was no longer the centre of authority as it had been before. The Hojahan family of the Balras division controlled the real power and installed and unseated khans from time to time. Nobles everywhere began to run their affairs independently, and selected their own khans from descendants of Chinggis Khan.