The tournament’s rounds/games will automatically start according to the schedule given when creating the tournament. Nevertheless, if you want to manually start the rounds, you can do that as well.
After publishing the round pairings, you can click the “Start Round 1” button to manually start the first round:
When it is clicked, the games will automatically start for the players, i.e. the board will appear on their screens.
For example, this is how it will look for the students when the game is loaded: