I think you can save some time, perhaps a lot of time, by not setting it up as a single tournament.
If you set each section (and round) separately than you can start, for example, round 2 once the round 1 sections are decided instead of having to wait for every game to complete.
(hide) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (show all tips)