is a Japanese professional 9-dan Go player. As Go player, he was a pupil of So Kofuku. Since 2020 he has also worked as a journalist for Kahoku Shimpo.
Early life
Ichiriki was born in 1997 in Sendai into a wealthy family which has run media companies. His grandfather, Kazuo Ichiriki, then CEO of Kahoku Shimpo and Tohoku Broadcasting Company, was a big fan of Go and taught him how to play the game. Ichiriki took Go lessons from other local amateur players too. 「次世代人 囲碁棋士 一力遼さん 13 王子が始動 まず一勝」『読売新聞』夕刊 2010年8月7日
Ichiriki went to Nihon Ki-in Go School as professional candidate from his childhood, first visited the school from Sendai, later from Tokyo. He moved to Tokyo with his mother in 2008. 「顔 若手棋戦で優勝した高校棋士 一力遼さん」『読売新聞』2013年5月25日
In Summer 2010 he was qualified as Go professional.
Go player In 2014, he won the 1st Globis Cup, an international U-20 tournament held annually in Japan.
He won his first title in a top-seven Japanese Go competition at the 45th Gosei in 2020, defeating Naoki Hane 3–0 in the title match. The same year, he won the 46th Tengen title in a 3–2 victory over Yuta Iyama to take his second major title.
In 2021, he finished in the top four in the 9th Ing Cup, after being defeated by Xie Ke in the semifinal.
In 2024, he won the Ing Cup with a 3-0 in the final against Xie Ke. This marked the first major international title for a Japanese player in more than 20 years.
International competitions Competitions 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026Ing Cup-×-SF-W-Samsung Cup××××××QF×R16×R32×LG Cup××R16R32R16×R32QF×××RUR16Mlily Cup-R64-×-QF-R32-R16Chunlan Cup×-R32-R32-×-R32-R16-Kuksu Mountains-R16×-×R16×QF×Lanke Cup-×R64×Shinhan Cup-QFAsian TV Cup×QF×SF×QF-Nongshim Cup1:13:11:10:10:10:10:10:10:10:10:10:1 (W) Winner; (RU) Runner-up; (SF) Semifinalist; (QF) Quarterfinalist; (R16) Round of 16; (R32) Round of 32; (R64) Round of 64.
Note 1: Some competitions last for more than one year. Usually the beginning year of the competition is recorded as the year of competition. Note 2: The light green background indicates that the player is still competing in the competition. Note 3: '×' means the player did not participate (or lost in the qualification round), while '-' means the competition was not held in that year. Note 4: The result of Nongshim Cup means the result of the player (matches won : matches lost). The result '0:0' means the player qualified for his/her national team of Nongshim Cup, and the team won before the player compete in the cup.
Titles International: Ing Cup 2024 Globis Cup 2014 (under-20 tournament) Major domestic titles: Kisei 2022–2025 Meijin 2024–2025 Ōza 2025 Tengen 2020, 2023–2025 Honinbo 2023–2025 Gosei 2020 Other domestic tournaments won: Wakagoi Cup 2013, 2016 Shinjin-O 2014 Ryusei 2016, 2018, 2019, 2020 Agon Kiriyama Cup 2018, 2023, 2024, 2025 NHK Cup 2019, 2021, 2022, 2024 Okage Cup 2020 Teikei Cup Shunei 2023
Journalist Alongside his professional Go career, Ichiriki enrolled in the Waseda University School of Social Sciences in 2016. He graduated in 2020 and began working at Kahoku Shimpo, his family's newspaper. He is a journalist at its Tokyo branch office. However, his main focus is still his career as a Go player.
References
External links Ichiriki Ryo on Go Ratings Nihon Ki-in profile (in Japanese)