| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Pre-SEA Games 2 ASEAN Chess Rapid Women | 2025-08-07 | 2025-08-10 |
|
Pre-SEA Games 2 ASEAN Chess Rapid Men | 2025-08-07 | 2025-08-10 |
|
Pre-SEA Games 2 FIDE Chess Rapid Women | 2025-08-07 | 2025-08-10 |
|
Pre-SEA Games 2 FIDE Chess Rapid Men | 2025-08-07 | 2025-08-10 |
|
Pre-SEA Games 2 Makruk Blitz Men | 2025-08-07 | 2025-08-10 |