CACrown ArchivesThe cinema collection
Menu
Research dossier · People & Ideas

Tomomi Kai

Japanese shogi player

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 21, 2025
Entity authorityQ11577898 ↗
Source-derived summary

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.

Editorial summary

“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.

Editorial reviewStrongest as a route into the people, institutions and dated events that shaped the subject’s public record. The current lead gives the account dated anchors—1983, 1998, 2003, 1997—that can be checked directly. The linked authority record independently contributes the date 1983-05-30. Its strongest next move is a source search built around Tomomi, Japanese and shogi.
Editorial analysis

Why this record matters

“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.

Evidence profile

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.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Tomomi Kai”, its source revision and the description used here.
  2. Expand the search: follow Tomomi Kai primary sources, Tomomi Kai archive and Tomomi research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Tomomi Kai”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which claims depend on a single source or contested interpretation?
Subject index

Search terms from this dossier

Source & attribution

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.