Tomomi Kai
Japanese shogi player

Tomomi Kai (甲斐 智美, Kai Tomomi; born May 30, 1983) is a retired Japanese women's professional shogi player who achieved the rank of 5-dan. She is a former Women's Ōi, Kurashiki Tōka Cup, and Jo-Ō title holder.
Apprentice professional
In September 1998, Kai took a leave of absence from women's professional shogi to enter the Japan Shogi Association's apprentice school at the rank of 6-kyū. She remained in the apprentice school until August 2003 when she expressed her intention to return to women's professional play. She was awarded the rank of women's professional 1-dan upon reinstatement.
Women's shogi professional
Promotion history
Kai has been promoted as follows.
2-kyū: April 1, 1997
1-kyū: April 1, 1998
1-dan: September 1, 2003
2-dan: September 18, 2006
3-dan: April 19, 2010
4-dan: June 29, 2011
5-dan: November 23, 2014
Note: All ranks are women's professional ranks.
Titles and other championships
Kai has appeared in major title matches 14 times and has won a total of 7 titles. She has won the Women's Ōi title four times (2010–11, 2013–14), the Kurashiki Tōka Cup title twice (2013–14), and the Jo-Ō title once (2010). In addition to major titles, Kai has won two other shogi championships: the 11th Women's Kashima Cup Shogi Tournament in 2006 and the 1st Daiwa Securities Cup Women's Internet Tournament in 2007.
“Tomomi Kai” enters the record as japanese shogi player. Crown Archives preserves that source wording while asking what Tomomi, Japanese and shogi can confirm, complicate or overturn.
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“Tomomi Kai” is worth following because a concise public description often conceals a longer documentary argument. Here, Tomomi, Japanese and shogi provides the most credible route into that argument.
Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Jun 21, 2025. The linked authority identifier is Q11577898. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1983, 1998, 2003 and 1997.
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This entry incorporates text from “Tomomi Kai” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.