Information about NBPhO 2020 for competitors and team leaders

Generally about the competition

NBPhO 2020 will be an online competition held on Saturday, May 16th, 2020, between 10:00-15:00 o’clock (UTC+3). Problems will be distributed via e-mail ( and also posted on the website ( Preliminary results will be announced on Sunday, May 17th, 2020, and final results on Tuesday, May 19th, 2020.

Special rules

Mostly standard rules: no help from the Internet, no help from other people, no graphical calculators.

The competitor should be able to attend a live video stream via “Zoom” conference, which will be made available to all competitors. If the competitor is not able to attend the live video stream, they must be capable of recording themselves throughout the entire competition (5 hours). The person’s face and answer sheets must be visible on the video. If the competitor uses an electronic device to view the problems, the device must be visible on the video. We will not request to see the recording made by the competitor, unless we suspect cheating. If the competitor is not able to comply with these rules, all points will be taken from them.

Submitting the solutions

Solutions must be submitted to the aforementioned e-mail address ( on Saturday, May 16th, 2020, before 15.15 (UTC+3).

The students are required to hand in their solutions in pdf file format. For this, we suggest to use “CamScanner” which is freely available for Android/iPhone/iPad/WinPhone. Using the application, it is possible to easily produce neat looking pdf files. The competitor should take some time before the competition to test the application. Each problem should be individually scanned and each paper should clearly indicate what problem is answered and a code which can be related to the student. The file name should indicate the above two (STUDENTCODE_PROBLEMCODE.pdf).

Custom made tutorial for using CamScanner:

Testing session

Testing session will be held on Thursday, May 14th, 2020, at 18:00 o’clock (UTC+3) via “Zoom” conference, which will be made available to all competitors.


Students need to submit a written claim based on the grading scheme where they propose alternative grading for their solution. This should be done within 24 hours after the announcement of the results.

The grader either accepts or rejects the proposal. The grader can also choose to communicate with the student directly through a communication channel of their liking (Zoom, Skype etc).

Guest teams

Guest teams from countries which have shown interest are allowed to participate. The number of competitors will be limited to 5 competitors per guest team.

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