| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Japan Primary School Chess Championship 2018 Open | 2018-07-22 | 2018-07-22 |
|
Japan Primary School Chess Championship 2018 A class | 2018-07-22 | 2018-07-22 |
|
Japan Senior Chess Championship 2018 （第9回シニア） | 2018-07-21 | 2018-07-22 |
|
Chushikoku Chess Championship 2022 | 2022-03-12 | 2022-03-13 |
|
2nd Chiba Kids Championship | 2022-02-06 | 2022-02-27 |