Five proof-based problems (algebra, geometry, number theory, combinatorics, logical reasoning), written solutions submitted online; a qualifying score for the age category was needed to advance.
People and teams are listed with their role, rank and result once the reports of the event have been read.
Photographs appear here when the article that reports the event carries them.
The competition commenced with the Qualification Round, held on 15 December 2025
Facts stated about this event, with the quote that supports each, are listed here.