The 2018 tournament will be held on Saturday, October 20, 2018.

Each school may enter from one to three 4-student teams, who will compete in the usual written and ciphering rounds. (Fewer than four persons may compete as a team, with missing members being awarded scores of zero.) Individuals without a team can participate as well.

The 2019 Cantrell Lecture Speaker will be Professor Geordie Williamson of the University of Sydney.