| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
1st 4NCL Spring Online Congress Intermediate | 2021-01-26 | 2021-04-27 |
|
4th 4NCL Online Congress Major | 2021-01-15 | 2021-01-17 |
|
4th 4NCL Online Congress Intermediate | 2021-01-15 | 2021-01-17 |
|
4th 4NCL Online Congress Open | 2021-01-15 | 2021-01-17 |
|
4th 4NCL Online Congress Minor | 2021-01-15 | 2021-01-17 |