| País | Nombre del torneo de ajedrez | Inicio | Fin |
|---|---|---|---|
 |
Marienbad Open 2025 - A GM Round Robin 23rd International Chess Festival | 2025-01-18 | 2025-01-25 |
|
Marienbad Open 2025 - A2 GM Round Robin 23rd International Chess Festival | 2025-01-18 | 2025-01-25 |
|
Marienbad Open 2025 - B1 IM Round Robin 23rd International Chess Festival | 2025-01-18 | 2025-01-25 |
|
Marienbad Open 2025 - B2 IM Round Robin 23rd International Chess Festival | 2025-01-18 | 2025-01-25 |
|
Marienbad Open 2025 - C FIDE Open 23rd International Chess Festival | 2025-01-18 | 2025-01-25 |