Organisers will during the competition give out important information through our in-game noticeboard that will be available on our website.

Send your questions about the tasks and other things to online@fyziklani.cz.

Organisers communicate in Czech, Slovak or English only.

You should receive it at least half an hour before the competition begins.

Yes but you can't communicate with non-members of your team.

The competition has two parallel parts. The major part starts at the beginning of the competition and one hour later the Hurry-up series will begin. These will then run in parallel until the competition ends. In the second half of the competition you will be able to skip problems. For the Hurry-up series see the rules and the questions and answers below.

Yes.

Each task has specified how many significant digits the result should have. You can also submit result with more significant digits.

If it is so then just submit it in the base SI units.

The reason must be that you submitted a wrong solution to a task less than a minute ago. If it isn't so then please contact the organizers.

Yes, you can answer any question as many times as you want to. Remember though that by submitting wrong answers you will lower the potential point gain from the question and also that you can't answer the problems from the same category incorrectly more than once in a minute (the problems from the main category and the three hurry-up categories). For more information see the rules of the competition.

The symbol is irrelevant but don't use anything to denote thousands (i. e., use 1000000 instead of 1,000,000) .

We accept the formats described on following website.

We enable the usage of both the comma and the decimal point.

You can get bonus points for solving a whole collection of Hurry-up problems in the time limit. More about this in the rules.

This is caused by the fact that wrong solutions decrease the point gain from that problem. To get more information about this look at the rules.

The scoreboard refreshes every two minutes so wait a bit longer. Also remember that twenty minutes before the end of the competition the scoreboard stops refreshing completely to add extra tension.

Not everyone needs to be present on the video call and it does not automatically mean a penalty. However, we may take these situations into account when checking that the competition was fair and without cheating.

Yes.

If someone is unable to join or has technical difficulties, this does not automatically mean a penalty. However, we may take these situations into account when checking that the competition was fair and without cheating.

We will include instructions for this in the invitation email. The most important thing is that you let us know, and we will tailor the call to your needs.