- #1

fluidistic

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**Data "analysis", I don't understand why this isn't a Gaussian nor a Ma**

I have downloaded all the elo ratings of all active chess players in May of the FIDE and I have made an histogram. I have plotted the result on a graph rating vs number of people with this rating.

I do not understand why the graph is not a Gaussian. It looks like a reversed Maxwell distribution to me but I do not understand why it is this way.

Picture of the graph can be found there: https://www.physicsforums.com/showpost.php?p=4401602&postcount=7.

It's not a homework, it's a question that has been grown up in me since last May.

If someone have some ideas on why the ratings spray this way, I am all ears.