Microsoft Trueskill Ranking System

A few weeks ago I posted about ladder systems, and my interest in developing one for a project I'm working on. I've done some DB work on the project, getting ready to work on the logic of the ranking over the next day or two.

An interesting article I'll be reading is the MS Trueskill ranking they use in XBox Live, see if I get any good ideas from their ranking logic.

2 Comments

  • You might find informative my article "Collective Choice: Competitive Rating Systems" where I discuss the Microsoft XBox 360 Live's TrueSkill ranking system: http://www.lifewithalacrity.com/2006/01/ranking_systems.html



    I'm not sure what your particular needs are in so far as a ladder ranking system, but I think in particular you may find the information on the psuedo-double elimination interesting.

  • Thanks for your help Christopher, you're post looks very informative. I've done a quick glance through the Trueskil section, I'll have to read through the rest of post after the Rose Bowl is over, as well as the Gates keynote.



    I think so far the trueskill looks like the perfect solution to the ladder I want to build, I just need to see if I can find the two functions that they don't show you definitions for in the article.

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