[FlyingDutchman]

the easiest thing you could do i think is adding a row to the users table, so that when they have pressed the button it would say 1

then it would be fairly easy to make a new file which retrieves all the usernames of the users who have the value 1 on the row competition...

you'll need to reset everything every week however... but that would be a simple function too

if this is what you want, i'll make it for you 1,2,3