| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
SLSCA Individual Chess Championship 2025 – Chilaw Zone Under 18 Boys (2007 & 2008) | 2025-07-12 | 2025-07-13 |
|
SLSCA Individual Chess Championship 2025 – Chilaw Zone Under 18 Girls (2007 & 2008) | 2025-07-12 | 2025-07-13 |
|
SLSCA Individual Chess Championship 2025 – Chilaw Zone Under 20 Boys (2006) | 2025-07-12 | 2025-07-13 |
|
SLSCA Individual Chess Championship 2025 – Chilaw Zone Under 20 Girls (2006) | 2025-07-12 | 2025-07-13 |
|
SLSCA Individual Chess Championship 2025 – Chilaw Zone Under 06 Boys (2019) | 2025-07-12 | 2025-07-13 |