The competition has ended successfully.
The top 3 competitors have participated to the Grand Finale workshop at CERN, 1st and 2nd July 2019: https://indico.cern.ch/event/813759/ (slides are available).
A writeup is going to be released in fall 2019.
Due to a mishap, the leaderboard and forum cannot be displayed.
This is going to be fixed shortly, together with a final update of the site.