Talk:Elo/@comment-70.68.149.232-20150728230640/@comment-25646419-20150728234245

Link to a Wikipedia description

"The Elo rating system is a method for calculating the relative skill levels of players in competitor-versus-competitor games such as chess. It is named after its creator Arpad Elo, a Hungarian-born American physics professor."

Click the link I put at the top for more details. It's all about placing people of the same skill level together.