We have a Patreon! Click here to become a patron, or read the blog to learn more!
I know something that can correct an error in the data.

Where did the data come from?

What if I don't want my name on this site?

Which tournaments are in the system right now?

Which tournaments aren't in the system right now?

How do the ratings work, in three sentences?

How do the ratings work, in multiple technical paragraphs?

How do I contextualize the ratings?

Is a 2-0 win worth more than a 2-1 win?

Are draws incorporated into the system?

Do people with byes have an advantage?

My friends and I made day two of a team GP once. Why isn't that here?

How stable are the ratings given that there are problems in the data set?

Why is one cell in the tables outlined in green?

I thought Magic and Elo didn't mix.

Do you have plans for separate limited and constructed ratings?

What did you do about Fabrizio Anteri?

What are the weirdest things you saw while compiling the data?

Who are you and why did you do this?