Katsukiyo Kubomatsu (久保松勝喜代; 25 October 1894 – 15 December 1941) was a Japanese professional go

player Player may refer to: Role or adjective * Player (game), a participant in a game or sport ** Gamer, a player in video and tabletop games ** Athlete, a player in sports ** Player character, a character in a video game or role playing game who is ...

. Nicknamed the ''Great Amateur'', Kubomatsu was responsible for sending

Utaro Hashimoto was a 9-dan Go players, professional Go player. Biography Hashimoto became a pro in 1922 when he was 15. He won the Honinbō 3 times before finally reaching 9p in 1954. He founded the Kansai Ki-in in 1950. Titles and runners-up Reference ...

and

Minoru Kitani was one of the most celebrated professional Go players and teachers of the game of Go in the twentieth century in Japan. Biography He earned the nickname "the Prodigy" after winning a knockout tournament. He defeated eight opponents from the K ...

Kensaku Segoe was a professional Go player. (His surname is occasionally given as Segoshi, but that appears to be a misreading, even if attested by furigana in some books he authored.) Biography Segoe had Go Seigen, Utaro Hashimoto, and Cho Hunhyun as pu ...

and Tamejiro Suzuki respectively and also taught

Nobuaki Maeda Maeda Nobuaki was a Japanese professional 9 dan go player, a disciple of Honinbo Shusai, and a member of the Nihon Ki-in, the main organizational body for go in Japan. His own disciples were Norio Kudo, Yusuke Oeda, Shioiri Itsuzo, Nagahara Yos ...

. Kubomatsu was known as one of the earliest innovators of the shin-fuseki, a revolution in Go theory pioneered by his student Minoru Kitani and Go Seigen in the 1930s. Kubomatsu was known for starting on the tengen, the center point of the board. He was posthumously promoted to 9 dan by the Nihon Ki-in and Kansai Ki-in in 2009, 67 years after his death.

References

1894 births 1941 deaths Japanese Go players Kansai University alumni {{Japan-Go-bio-stub