Ko Iso
Japanese-Taiwanese Go player

Ko Iso

The basics
Quick facts
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Japanese-Taiwanese Go player
A.K.A.
Huang Yizu
Gender:
Male
Places:
Work field:
Birth:
10 April 1987(Taipei, Taiwan)
Star sign:
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The details
Biography

Introduction

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

Runners-up

Title Years Lost
Shinjin-O 2006