 After the conquest of the Three Qins, Liu Bang allowed Han Xin to lead an army to attack Zhang Han's remnant forces in Feiqiu, while he personally led an army to attack Chu's capital of Pengcheng (present-day Xuzhou, Jiangsu), capturing it in 205 BC.Xiang Yu turned back from his campaign in the Qi kingdom to retake Pengcheng and defeated Liu Bang by surprise in the Battle of Pengcheng.Liu Bang retreated to Xingyang after his defeat.