Based on the numbers and the number of rounds, it's all approximate, but even so, on average, it will be 10-20 rounds with a final. And of course, the more participants, the more rounds.
I, for one, can...
Let's play a round-robin tournament, and you guys decide about the super final: either team-based or 1v1.
My task as an organizer is to make sure the tournament is enjoyable for most of its participants...
P.S. And it's not a given that the 17th participant won't be needed, as someone is likely to drop out, even with such a small number of participants...
