Tlacaelel (thenameless) 7.7 is a user on hispagatos.space. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.

I'm running a four-round instant knock-out tournament throughout the month of July to basically squeeze a load of fun maths out of my friends. Let's see if we can make it all come together! Voting starts on the 1st of July.
aperiodical.com/2018/06/announ