Ko Iso (simplified Chinese: 黄翊祖; traditional Chinese: 黃翊祖; pinyin: Huáng Yìzǔ; born April 10, 1987) is a professional Go player.
Biography
Ko became a professional in 2002. He was promoted to 7 dan after making it through the preliminary rounds of the Meijin tournament.
Promotion record
| 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 | 2011 | |
| 9 dan | 2019 | Won 200 games at 8 dan[1] |
Runners-up
| Title | Years Lost |
|---|---|
 Shinjin-O
|
2006 |
References
- ^ "【昇段】黄翊祖九段に昇段". Nihon Ki-in (in Japanese). 2010-11-04.
External links