趙治勲
Rin Kaihō or Lin Haifeng (; born May 6, 1942) is a professional Taiwanese Go player who made his name in Japan. He is, along with Cho Chikun, Kobayashi Koichi, Otake Hideo, Takemiya Masaki and Kato Masao, considered one of the 'Six Supers' that dominated Japanese Go world in the last three decades of the twentieth century.