Here you can find information about the challenge itself and the scoring system.
If you want examples of previous tasks, go to Examples.

You can ask your teacher to sign up as a coordinator by going to this website. Your teacher will enter all the students in your class and retrieve a log-in for everyone. That way, you can all participate at the same time. We can collect important data of your class and send your teacher an in-depth report on the results. It includes grades, aptitude and certificates. Sounds good? Ask your teacher to visit this website and register!

It is a fun and rewarding challenge that introduces you to computational thinking.
It lets you solve problems using your logic and computational thinking skills. Yes, you have them!

Originally it involves a set of problem-solving skills that software engineers use to write programs and apps.
You can break these skills down in smaller and more familiar components like pattern recognition, algorithm design, data analysis or abstraction. Computational thinking is used in more areas than just software, so it is very useful to get acquainted. Want to know more? Visit Computational Thinking.

You will participate online in your own school building. A teacher will supervise and it will take 45 minutes.
You get 15 multiple-choice questions and the maximum score is 180.
While working on the challenge you can use pen, paper and any calculator you want.

Each task you solve is sorted in a category: A, B or C.
These categories all contain 5 tasks and they increase in difficulty.
You start with 45 points and can gain or lose points as follows:

A category questions: +6 points for each correct answer 0 points for no answer -2 points for each incorrect answer

B category questions: +9 points for each correct answer 0 points for no answer -3 points for each incorrect answer

C category questions: +12 points for each correct answer 0 points for no answer -4 points for each incorrect answer

After the contest is over all entries will be graded by our servers. Your score is kept confidential. Your teacher will be able to download a PDF with certificates with your score and achievement level.