| País | Nombre del torneo de ajedrez | Inicio | Fin |
|---|---|---|---|
 |
Divine Chess Gurukul - Local Club Tournament ( Classical ) April-28-2025 | ||
|
15th Chiba Chess Festa in Kashiwa 第１５回千葉Festa in 柏 | 1929-04-25 | 1929-04-25 |
|
Science Tokyo Rapid Chess Tournament | ||
|
hokutopia 01 | 2025-04-13 | 2025-04-13 |
|
#1 Chiba Second Saturday | 2025-04-12 | 2025-04-13 |