Game ladder

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A game ladder is a series of ranking levels used to measure playing skill in competitive games. Game ladders are an integral part of the playing experience for many games. The most widely known system of ranking players is the ELO rating system, which is used for Chess and Go. Every player in the ELO rating system receives a rating based on his or her win/loss record, which establishes his or her position (or level) on the game ladder. Numerous efforts have been made to design better game ladders by analyzing the statistical correlation between relative ladder levels and a player's expected performance.

A unique game ladder system is the Masterpoints rating system used for contract bridge by the American Contract Bridge League. The Masterpoints system is noteworthy because, unlike the ELO rating system, it emphasizes participation (i.e., experience in terms of number of games played) over demonstration of skill.

Game ladders are also seen in the world of multiplayer computer games such as Blizzard Entertainment's Automatic MatchMaker system for Warcraft III. Other type of games can include: Board Games, Fantasy Games... etc. These can be found on gaming ladder web site. Sites like casesladder.com which include hundreds of games that you can choose from and play matches.