Amahiko Satō (佐藤 天彦, Satō Amahiko; born January 16, 1988) is a Japanese professional shogi player, ranked 9-dan. He is…Amahiko Satō (佐藤 天彦, Satō Amahiko; born January 16, 1988) is a Japanese professional shogi player, ranked 9-dan. He is a former Meijin title holder.
Kōichi Kodama (児玉 孝一, Kodama Kōichi; born February 21, 1951) is a Japanese retired professional shogi player who…Kōichi Kodama (児玉 孝一, Kodama Kōichi; born February 21, 1951) is a Japanese retired professional shogi player who achieved the rank of 8-dan.
Hifumi Katō (加藤 一二三, Katō Hifumi; January 1, 1940 – January 22, 2026) was a Japanese professional shogi player who…Hifumi Katō (加藤 一二三, Katō Hifumi; January 1, 1940 – January 22, 2026) was a Japanese professional shogi player who achieved the rank of 9-dan. During his career, he won the Meijin, Tenth Dan, Ōi, Kiō and Ōshō major titles. He also held the record for being the youngest to have been awarded regular professional status at age 14 years and 7 months until Sōta Fujii broke it at age 14 years and 2 months in 2016. Since his given name is written using the kanji characters for the numbers "one","two" and "three", Katō was known to his fans by the nickname "Hifumin" (ひふみん).
Naoko Hayashiba (林葉 直子, Hayashiba Naoko; born on January 24, 1968), also known by her pen name Masaru Katori (かとり まさる…Naoko Hayashiba (林葉 直子, Hayashiba Naoko; born on January 24, 1968), also known by her pen name Masaru Katori (かとり まさる, Katori Masaru), is a writer, manga artist and former women's professional shogi player who won several women's professional titles during her career. She has written two novel series, Tondemo Police and Kiss Dakeja Iya, and the manga Shion no Ō.