is a Japanese

professional shogi player A professional shogi player (将棋棋士 ''shōgi kishi'' or プロ棋士 ''puro kishi'' "professional player") is a shogi player who is usually a member of a professional guild of shogi players. There are two categories of professional playe ...

ranked 7- dan.

Early life and apprenticeship

Ishii was born on April 13, 1992, in

Chiba, Chiba is the capital city of Chiba Prefecture, Japan. It sits about east of the centre of Tokyo on Tokyo Bay. The city became a government-designated city in 1992. In March 2025, its population was 983,045, with a population density of 3,617 people ...

. He became interested in shogi after receiving a shogi set as a present from his grandfather, and started attending a shogi school run by shogi professional

Kazuharu Shoshi is a Japanese professional shogi player ranked 7- dan. Shogi professional Promotion history The promotion history for Shoshi is as follows: * 5-kyū: 1978 * 1-dan: 1980 * 4-dan: June 27, 1985 * 5-dan: April 1, 1987 * 6-dan: October 29, 1992 * ...

as a kindergartener. Ishii failed the entrance examination for the

Japan Shogi Association The , or JSA, is the primary organizing body for professional shogi in Japan. The JSA sets the professional calendar, negotiates sponsorship and media promotion deals, helps organize tournaments and title matches, publishes shogi-related materia ...

's apprentice school twice before finally passing it and being accepted into the school at the rank of 6-

kyū is a Japanese language, Japanese term used in modern martial arts as well as in Japanese tea ceremony, tea ceremony, ikebana, flower arranging, Go (game), Go, shogi, academic tests and other similar activities to designate various grades, leve ...

in 2004 under the guidance of Shoshi. He was promoted to the rank of 1-dan in 2007, 3-dan in 2010, and finally obtained full professional status and the rank of 4-dan in October 2013 after winning the 53rd 3-dan League with a record of 15 wins and 3 losses.

Shogi professional

Promotion history

Ishii's promotion history is as follows: * 6-

: September 2004 * 3-dan: April 2010 * 4-dan: October 1, 2013 * 5-dan: October 30, 2017 * 6-dan: June 5, 2020 * 7-dan: March 6, 2024

References

External links

*ShogiHub
Professional Player Info · Ishii, Kentaro
Japanese shogi players Japan Shogi Association players Living people Professional shogi players from Chiba Prefecture People from Chiba (city) 1992 births {{Shogi-stub