What's New

2025.10.20
The Newsletter No.3 and the Excerpt fom the Judges' Handbook of the 24th Competition are released.
2025.10.20
The Newsletter No.2 and the revised Problem of the 24th Competition are released.
2025.10.13
The Match Table, the Newsletter No.1 and the revised Problem of the 24th Competition are released.
2025.9.16
The Problem and Rules of the 24th Competition is released.