Cao Dayuan

曹大元

Cáo Dàyuán, Chinese professional, 9 dan in 1986. Born in Shanghai, 26 January 1962. Won the 4th World Amateur Go Championship in 1982. Turned professional in 1985.

• http://www.gobase.org/information/players/?pp=Cao%20Dayuan (online replayable games)

• http://www.gogameworld.com/gophp/playerinfo.php?id=17

• http://en.wikipedia.org/wiki/Cao_Dayuan (lists tournament results)