IBO Challenge 2020: Results now available

The results of the IBO Challenge 2020 (A Substitute for the 31st IBO Nagasaki, Japan) are now available at the competition's website.

Congratulations to all participants - you have done some wonderful work! We sincerely hope you enjoyed the event that our colleagues in Japan set up despite all Covid-19-related restrictions.

We will soon also publish the final table of results on the IBO association website.