The Rules
Dear competitors,
you can now start competing in the Logical Olympiad.
The test can be accessed via the "Compete!" button. You can run the test on all devices, however we recommend that you use a laptop or a computed.
Please have a pencil and note paper ready before you start, you may use a calculator, all other devices are prohibited. You will have 30 minutes to answer 25 questions. Once the test has started, your time limit starts ticking!
The correct answer is selected by left clicking your mouse and framed in blue when selected. After selecting the answer, you will automatically move on to the next question. You can also select questions on the left side of the screen. Questions you have already answered are marked, but you can still change your answer before you exceed your time limit. The "End" button will only become available on the last question or when you have answered all the questions. After the time limt has elapsed, the test will automatically end and the results will of course be saved.
The results will appear in your profile no later than 30.6.2026, you will be notified via email about that.
We wish you success in the competition. If you have any questions, please feel free to contact us at lod@mensa.cz
Everyone can have exactly one account created for the competition.
To participiate in the competition, you must register and pay the registration fee.
Instead of the registration fee, it is possible to send one author's logical task, which will be subject to verification and approval by the organizers.
There is only one attempt to submit a job. In case of refusal, the registration fee must be paid.
The task must have exactly one solution.
The task must include the process and the solution.
Participants will not be allowed to enter the competition without payment of the registration fee (or acceptance of the logical task).
The basic round takes place between 1st and 10th June 2026 online, entry to the competition will not be possible on other dates.
The possible holding of the final round will be decided according to the number of competitors in the basic round. The minimum number is set at 10,000 competitors.
The possible final round is face-to-face, and the date of the event is set for September 13, 2026.