| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Japan Open 2025 | 2025-09-19 | 2025-09-23 |
|
Japan Open 2025_Challenger | 2025-09-19 | 2025-09-23 |
|
13th Chiba Chess Festa in Kashiwa | 2025-01-19 | 2025-01-19 |
|
Summer Kids Chess Tournament 2025 U10 夏休み子どもチェス大会 U10 | 2025-08-23 | 2025-08-23 |
|
Summer Kids Chess Tournament 2025 U12 夏休み子どもチェス大会 U12 | 2025-08-23 | 2025-08-23 |