| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Thompson Masters 2025 | 2025-05-31 | 2025-06-02 |
|
O'Boyle Championship 2025 | 2025-05-31 | 2025-06-02 |
|
Fox Major 2025 | 2025-05-31 | 2025-06-02 |
|
Murray Challengers 2025 | 2025-05-31 | 2025-06-02 |
|
Naomh Barrog Club Championships 2025 | 2025-02-18 | 2025-05-02 |