| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
2020 South Wales New Year Major | 2020-01-03 | 2020-01-05 |
|
2020 South Wales New Year Minor | 2020-01-03 | 2020-01-05 |
|
2020 South Wales New Year Open | 2020-01-03 | 2020-01-05 |
|
2020 Welsh Winter Blitz | 2020-01-12 | 2020-01-12 |
|
2020 Cardiff and Vale U9 | 2020-02-02 | 2020-02-02 |
|
2020 Dyfed Major | 2020-02-14 | 2020-02-16 |
|
2020 Dyfed Open | 2020-02-14 | 2020-02-16 |
|
2020 Dyfed Blitz | 2020-02-15 | 2020-02-15 |
|
TSA - LiChess.org - Blitz - Invitational 4 - Sunday - 21/6/2020 | 2020-06-21 | 2020-06-07 |