| Ko Iso | |
|---|---|
| Full name | Ko Iso |
| Kanji | コウイソ |
| Chinese | 黃翊祖 |
| Pinyin | Huáng Yìzǔ |
| Born | April 10, 1987 Taiwan |
| Turned pro | 2002 |
| Rank | 7 dan |
| Affiliation | Nihon Ki-in |
Ko Iso (黄翊祖, born April 10, 1987) is a professional Go player.
Ko became a professional in 2002. He was promoted to 7 dan after making it through the preliminary rounds of the Meijin tournament.
| Rank | Year | Notes |
|---|---|---|
| 1 dan | 2002 | |
| 2 dan | 2002 | |
| 3 dan | 2003 | |
| 4 dan | 2005 | |
| 5 dan | 2005 | Skipped due to qualifying for Meijin leagues. (Special Nihon Ki-in rule) |
| 6 dan | 2005 | Skipped due to qualifying for Meijin leagues. (Special Nihon Ki-in rule) |
| 7 dan | 2005 | |
| 8 dan | ||
| 9 dan |
| Title | Years Lost |
|---|---|
| Shinjin-O | 2006 |