Bebras Challenge


Welcome to the Irish Bebras Challenge portal!

Bebras Challenges test your logic and computational skills through different types of fun and challenging problems.

National Bebras Computational Thinking Challenge 2019

The Irish Bebras Computational Thinking Challenge National Final will take place from the 4th to 15th November 2019.

  1. TEACHERS: To register and set up your class, please go to
    STUDENTS: You need a login to be able to participate in this challenge which you will get from your teacher or visit
  2. Login by clicking on the Login link at the top of this page.  Enter the user ID and password you are given by your teacher.
  3. After logging in, you will be prompted to enter your name and date of birth. To start the Challenge, click on the Challenges link above and select which group you are in.
  4. When you start, you will see that all questions are indicated as "Not Answered". This main page will change once you have selected your answer.
  5. In total, there are 15 questions.
  6. You may change your answer at any time, and may complete the problems in any order.
  7. For all problems you will have the option to erase your answer. This option appears as the last option in all multiple-choice problems.
  8. You have 45 minutes to complete the challenge. You will see a timer indicating how much time is remaining.

A note on scoring:

The problems come in three levels of difficulty: A, B and C. 
The "A"-level problems are intended to be easier than the "B"-level problems, which are intended to be easier than the "C"-level problems.
You can find a problem's difficulty in the problem overview before you click on it.  The difficulty of a problem determines how it will be scored. The scoring rules are as follows:  






+6 points

0 points

0 points


+9 points

-2 points

0 points


+12 points

-4 points

0 points


Remember: there are penalties for getting the wrong solutions in the more difficult questions.