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TrueSkill

TrueSkill is a skill-based ranking system developed by Microsoft for use with video game matchmaking on the Xbox network. Unlike the popular Elo rating system, which was initially designed for chess, TrueSkill is designed to support games with more than two players. In 2018, Microsoft published details about an extended version of TrueSkill, named…

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History and use

Microsoft ResearchHalo 2Xbox Live
3 related topics

Worked example

Gaussian distributionStandard normalProbability densityCumulative distribution
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Inference and rating updates

Factor graphSum-product algorithmExpectation propagation
3 related topics

Statistical model

Gaussian
1 related topics

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History and use

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Inference and rating updates

Worked example

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Map overview Semantic statistics

TrueSkill

Nodes23
Edges22
Triples69
Avg. degree1.91
Density0.086957
Components1

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TrueSkill

Top relations

related to history · 14
TrueSkill → Bayesian, Bungie Studios, Christopher Bishop, Halo, Herbrich, In, Live, Microsoft Research, Ralf Herbrich, September, Thore Graepel, Tom Minka, Xbox, Xbox Live
related to How a three-player result is represented · 9
TrueSkill → Alice, Alice's, Ben, Chloe, Chloe's, For, In, The, There
related to Inference and rating updates · 8
TrueSkill → Because, EP, For, Gaussian, Gaussians, In, Inference, The
related to TrueSkill2 · 6
TrueSkill → In, Microsoft, The, They, TrueSkill Through Time, TrueSkill2
related to Worked example · 6
TrueSkill → After, Graepel, Herbrich, In TrueSkill, Minka, The
related to Related models and extensions · 5
TrueSkill → Elo-style, ETS, Glickman, In, The Elo
related to Displayed rating · 4
TrueSkill → As, Gaussian, In, The TrueSkill
related to Parameterisation and rating display · 4
TrueSkill → Gaussian, Herbrich, In, Xbox Live
related to Patents and trademarks · 3
TrueSkill → April, Microsoft, The
related to External links · 2
TrueSkill → Microsoft Research's TrueSkill, Research's TrueSkill

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Important terminology

displaystyle skill sigma model mu distribution match rating system players gaussian skills games microsoft described player's mean uncertainty performance xbox

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
TrueSkillis askill-based ranking system developed by Microsoft for use with video game matchmaking on the Xbox network0.90text
the performance noiseinstance ofbut practical deployments must also choose a numerical scale and values for model parameters0.80text
the rate at which skills are allowed to drift over timeinstance ofbut practical deployments must also choose a numerical scale and values for model parameters0.80text
leaderboardsinstance ofFor player-facing displays0.80text
Xbox Live displayed a conservative estimate rather than the posterior mean aloneinstance ofFor player-facing displays0.80text
player experienceinstance ofThe paper describes using signals0.80text
squad membershipinstance ofThe paper describes using signals0.80text
individual statisticsinstance ofThe paper describes using signals0.80text
TrueSkillrelated to Displayed ratingIn0.60section
TrueSkillrelated to Displayed ratingThe TrueSkill0.60section
TrueSkillrelated to Displayed ratingGaussian0.60section
TrueSkillrelated to Displayed ratingAs0.60section

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