O Keii4-dan

"From Student Honinbo to the top of the Aizu Chuo Hospital Cup."

A career built up from Tokyo. A milestone along the way: "Won the All-Japan Women's Student Honinbo, and also the Aizu Chuo Hospital Cup." The rest of the story lies in O Keii's next move.

Watching typePeople & stories

MIRUGO WATCH POINT

For this player,
watch for this.

With a rise built on results in milestone tournaments behind him, follow how he takes on the next wall. Use "From Student Honinbo to the top of the Aizu Chuo Hospital Cup" as your watching note and look for the moment O Keii changes the flow.

NEXT MATCHES

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START HERE

If you watch one, watch this.

A game that shows who this player is,
picked by MIRUGO.

2026-08-27 / Women's Kisei Preliminary B

Women's Kisei Preliminary B｜O Keii vs Omori Ran

A recent game where you can check the official result and look back at the key moments

What beginners should watchWatch where O Keii and Omori Ran stepped in at the critical moment. Knowing the result, try to find the move that changed the flow.

WATCHING CHARACTER

Personality that shows
on the board.

The core you can confirm in the Nihon Ki-in's official profile: "Won the All-Japan Women's Student Honinbo, and also the Aizu Chuo Hospital Cup." MIRUGO uses Young players' tournaments, growth, the next big stage as the entrance to watching, and introduces the choices in each game rather than boxing the player into one style.

Recommended forI want to cheer on young players

PROFILE

Want to know more?

O Keii 4-dan is a Nihon Ki-in Central Branch player from Tokyo. The official profile reads: "Won the All-Japan Women's Student Honinbo, and also the Aizu Chuo Hospital Cup." A career built up from Tokyo. A milestone along the way: "Won the All-Japan Women's Student Honinbo, and also the Aizu Chuo Hospital Cup." The rest of the story lies in O Keii's next move. Basic information and records are based on the Nihon Ki-in's official profile; the watching highlights are by the MIRUGO editorial team.

Rank: 4-dan
Affiliation: Nihon Ki-in, Central Branch
Strengths: Young players' tournaments, growth, the next big stage

Official profile ↗

RECENT MATCHES

Recent games

2026-10-05 Women's Honinbo Preliminary Black Asano Yasuko VS White O Keii W+Res 2026-08-27 Women's Kisei Preliminary B Black O Keii VS White Omori Ran W+0.5