I was actually thinking of something more simple like you thinking of a number, and getting people to post what they think is the number on a forum post. 18 nearest from each list of calendar signed up individuals gets in.
Make the announcements two hours earlier - that gives europe the chance to see if it is worth staying up for.
I confess it isn't actually as elegant as the other server idea, but it does mean people won't necessarily hang around for ages beforehand (which may cause lag anyway) just on the off chance.
I don't want to be a trouble causer, just didn't want to have make a pot of coffe i could stand a spoon up in if i didn't have too
![Tongue :P](https://forums.layonara.com/Smileys/default/tongue.gif)