| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
SELECTIVO INTERNO - 10MO A [U.E. JEAN PIAGET 2025] | 2025-07-01 | 2025-09-01 |
|
SELECTIVO INTERNO - 5TO A [U.E. JEAN PIAGET 2025] | 2025-07-01 | 2025-09-01 |
|
ESCOLAR AJEDREZ FESTIVAL ATAHUALPA 2025 | 2025-08-28 | 2025-08-31 |
|
SELECTIVO INTERNO - 2DO A [U.E. JEAN PIAGET 2025] | 2025-07-01 | 2025-09-01 |
|
I FESTIVAL INTERNACIONAL DE AJEDREZ ATAHUALPA Cat Abierta -2200 (Pre-Inscriptos) | 2025-08-25 | 2025-09-02 |