| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
1st Welsh Online Minor Champ | 2021-05-28 | 2021-06-01 |
|
2021 Welsh Online Champ | 2021-05-28 | 2021-06-01 |
|
1st Welsh Online Major Open Champ | 2021-05-28 | 2021-06-01 |
|
1st Welsh Online U12 Championship | 2021-06-12 | 2021-06-13 |
|
1st Welsh Online U18 Championship | 2021-06-12 | 2021-06-13 |
|
1st Welsh Online U15 Championship | 2021-06-13 | 2021-06-13 |
|
1st Welsh Online U16/13 Championship | 2021-06-26 | 2021-06-27 |
|
1st Welsh Online U9 Championship | 2021-06-27 | 2021-06-27 |
|
1st Welsh Online U11 Championship | 2021-06-26 | 2021-06-26 |