Here is my log chat with a random random player :
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http://www.moserware.com/2010/03/computing-your-skill.htmlI think it is the best explanation of the True Skill System. :)
Very long article and also explains how team score is calculated under Microsoft Patented TrueSkill System.
TrueSkill also has an official page !
http://trueskill.org/I always stumbled upon the Microsoft Article page when searching. :)
The math article linked in Jeff Moser page has Gaussian, Bernoullis and Matrices. Very Very Very Complicated. :(
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Any theories on ladder inflation, match making and other things ?
The calculator :
http://research.microsoft.com/en-us/projects/trueskill/calculators.aspxis very fun to use.