Chan Ka Yui
Chan Ka Yui (陈嘉锐, called Chin Kaei in Japanese) was born in China on 23 August 1954. He later moved to Hong Kong. Won the World Amateur Go Championship in 1986, the only time the Hong Kong representative has won this event. Soon afterwards he moved to Japan, where he became a professional with the Kansai Ki-in. He became a 5 dan in 1987 and was promoted to 9 dan in 1996.