# Koichi Ōya

> Japanese Go player

**Wikidata**: [Q22126799](https://www.wikidata.org/wiki/Q22126799)  
**Source**: https://4ort.xyz/entity/koichi-ya


## References

1. [Source](http://www.nihonkiin.or.jp/player/htm/ki000146.htm)
2. Go Ratings
3. [Source](http://www.bingoweiqi.com/pwdo/players.php?name_cn=%B4%F3%CA%B8%20%20%BA%C6%D2%BB)
4. [Source](http://www.nihonkiin.or.jp/player/htm/ki000001.htm)