Cho Kosumi

Cho Kosumi (張 心澄, born 24 March 2006) is the elder sister of Cho Koharu, the daughter of Cho U and Kobayashi Izumi, the granddaughter of Kobayashi Koichi and Kobayashi Reiko, and great-granddaughter of Kitani Minoru and Kitani Miharu. She became a Nihon Ki-in pro in 2020 at the age of 13. She was promoted to 2p in early 2025.

She has not been very successful in her career so far.

She was eliminated from the 2022 Shinjin O by Kato Chie.

Links

• Nihon Kiin profile
• Go Ratings and Games
• Go4Go

Report from the AGA E-Journal, 7 July 2020:

Cho Kosumi 1P, the daughter of Cho U 9P and Kobayashi Izumi 6P, who in turn is the daughter of Kobayashi Koichi 9P and Kobayashi (Kitani) Reiko 7P, who was the daughter of Kitani Minoru 9P, made her debut as a professional in April, but didn’t get to play her first official game until July 6.

A large image attached to the report can be viewed here.

Photos

Cho Kosumi as little girl with her parents Cho U and Kobayashi Izumi and baby sister Cho Koharu, 2010 (Image credit: vip.udn.com