O Yuinin
Keywords: People
Taiwanese player affiliated to Nihon Kiin, born 1977-04-06, pupil of Tsutsui Katsumi 5 dan. Promoted 1 dan, then 2 dan in 1997, 3 dan in 1999 and 4 dan in 2000.
His Chinese name is Wang Weiren.
Nihon Kiin ![[ext]](images/extlink.gif)
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![[Welcome to Sensei's Library!]](images/stone-hello.png "Sensei's Library")