| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
9th 4NCL Online Congress Under 1100 | 2021-06-18 | 2021-06-20 |
|
9th 4NCL Online Congress Under 1400 | 2021-06-18 | 2021-06-20 |
|
9th 4NCL Online Congress Under 1700 | 2021-06-18 | 2021-06-20 |
|
Coventry & Leamington Summer Individual Rapidplay | 2021-06-08 | 2021-07-20 |
|
B&F Standard Individual 2020-21 - No. 11b | 2021-06-15 | 2021-07-06 |
|
Knights Division Team Swiss | 2021-06-09 | 2021-08-18 |
|
B&F Rapid Individual 2020-21 - No. 11 | 2021-06-17 | 2021-07-08 |
|
9th 4NCL Online Congress Open | 2021-06-18 | 2021-06-20 |
|
B&F Standard Individual 2020-21 - No. 11a | 2021-06-15 | 2021-07-06 |
|
Hendon U1600 Quads LONDON | 2021-06-27 | 2021-06-27 |
|
Hendon 2200 Plus | 2021-06-25 | 2021-06-27 |
|
Surrey Kings All Play All event | 2021-06-28 | 2021-07-26 |
|
9th 4NCL Online Congress Under 2000 | 2021-06-18 | 2021-06-20 |
|
Stratford Chess Club. Swiss online competition 2021 | 2021-06-09 | 2021-07-28 |