Kōji Tanigawa
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Kōji Tanigawa is a Japanese professional shogi player ranked 9-dan. He is the 17th Lifetime Meijin and also a former president of the Japan Shogi Association (JSA).
![Tanigawa at a human shogi [ja] event in November 2017.](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Tanigawa_kouji_shogi.jpg/500px-Tanigawa_kouji_shogi.jpg)
Ōi (shogi)
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Ōi (王位) is one of the eight major titles in professional shogi. The word means "the king's rank".
Shogi pieces used during the fourth game of the 56th Oi sen in 2015.