NAKAHARA no Chikayoshi went to Kamakura as a messenger of Emperor Goshirakawa in order to prompt Yoritomo to go to the capital after the Battle of Ichinotani, and went to the capital as a bugyo (magistrate) of the army for hunting down and killing the Taira family together with Kagetoki KAJIWARA and Sanehira DOI on April 29.
一ノ谷の戦い後に後白河天皇の使として頼朝の上洛を促すため鎌倉に下り、4月29日に梶原景時・土肥実平と共に平家追討軍の奉行として上洛。