| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
British Knockout Championship 2018 Semi-Final | 2018-12-11 | 2018-12-13 |
|
2018 Northwick Park FIDE Open | 2018-12-15 | 2018-12-16 |
|
2018 Northwick Park FIDE Major U1860 | 2018-12-15 | 2018-12-16 |
|
2018 Northwick Park Minor U115 | 2018-12-15 | 2018-12-16 |
|
Harrow Under 12 Qualifier Under 12 | 2018-12-15 | 2018-12-15 |