| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
2018 Rugby Junior Open Under 11 Group B | 2018-07-01 | 2018-07-01 |
|
2018 Rugby Junior Open Under 11 Group C | 2018-07-01 | 2018-07-01 |
|
2018 Rugby Junior Open Under 11 Group D | 2018-07-01 | 2018-07-01 |
|
2018 Rugby Junior Open Under 18 Group A | 2018-07-01 | 2018-07-01 |
|
2018 Rugby Junior Open Under 18 Group B | 2018-07-01 | 2018-07-01 |