- ****anese).
August 23, 2016.
Retrieved January 30, 2023. "Shōgi
Fujimoto Shinyondan Jisenki Kusenseishi Shōdan Yobu
Gyakuten Ooku「Kanseido Agetai｣" 将棋 藤本新四段自戦記...
- ****ociation.
September 10, 2022.
Retrieved December 6, 2022. "Shōgi Saitō Yūya
Shinyondan Jun'isen
Shosen wo Sesu Dōmon no
Fujii Meijin kara Shuku****u" 将棋 斉藤新四段...
- (in ****anese). ****an
Shogi ****ociation.
Retrieved December 17, 2019. "
Shinyondan Tanjō no Oshirase" 新四段誕生のお知らせ [Announcing the new 4-dans] (in ****anese)...
- Winners] (in ****anese). ****an
Shogi ****ociation.
Retrieved July 22, 2019. "
Shinyondan no Shōkai" 新四段の紹介 [New 4d introduction] (in ****anese). ****an
Shogi ****ociation...
- Takano] (in ****anese). ****an
Shogi ****ociation.
Retrieved June 18, 2019. "
Shinyondan no Oshirase" 新四段誕生のお知らせ [New 4-dans announced] (in ****anese). ****an Shogi...
- ISBN 978-4-8399-5175-7.
Retrieved February 26, 2019 – via
Google Books. "
Shinyondan Tanjō (Takano Hideyuki･Yamasaki Takayuki･Ina Yūsuke)" 新四段誕生(高野秀行･山崎隆之･伊奈祐介)...
- ****ociation. 2010.
Retrieved March 5, 2019. "Sasaki Yūki･Funae Kōhei
Shinyondan no Oshirase" 佐々木勇気･船江恒平 新四段誕生のお知らせ [New 4-dans are Yūki
Sasaki and Kōhei...
- Kajiura] (in ****anese). ****an
Shogi ****ociation.
Retrieved July 31, 2019. "
Shinyondan Tanjo no Oshirase" 新四段誕生のお知らせ [New 4-dan announced] (in ****anese). ****an...
- (in ****anese). ****an
Shogi ****ociation.
Retrieved November 15, 2019. "
Shinyondan Tanjō no Oshirase" 新四段誕生のお知らせ [New 4-dans announced] (in ****anese). ****an...
- Aoshimai] (in ****anese). ****an
Shogi ****ociation.
Retrieved March 15, 2019. "
Shinyondan Tanjo no Oshirase" 新四段誕生のお知らせ [New 4-dan announced] (in ****anese). ****an...
