| Cao Dayuan | |
|---|---|
| Full name | Cao Dayuan |
| Chinese | 曹大元 |
| Pinyin | Cáo Dàyuán |
| Born | January 26, 1962 Shanghai, China |
| Turned pro | 1985 (full time) |
| Rank | 9 dan |
| Affiliation | Zhongguo Qiyuan |
Cáo Dàyuán (曹大元), born January 26, 1962) is a professional Go player.
Cao started learning Go when he was 11. He won the 4th World Amateur Go Championship in 1982 and turned professional in 1985. He was promoted to 9 dan in 1986.
Ranks #10 in total amount of titles in China.
| Title | Years Held |
|---|---|
| Current | 5 |
| NEC Cup (China) | 1996 |
| CCTV Cup | 1996, 1998 |
| National Go Individual | 1994 |
| New Sports Cup | 1986 |
| Title | Years Lost |
|---|---|
| Current | 8 |
| Mingren | 1993 |
| NEC Cup | 1997, 1998 |
| CCTV Cup | 1991 |
| New Sports Cup | 1981, 1985, 1987, 1990 |
| Defunct | 1 |
| Qiwang | 1998 |
| Continental | 1 |
| Asian TV Cup | 1991 |