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The TrueSkill rating system

Project description

An implementation of the TrueSkill algorithm for Python. TrueSkill is a rating system among game players and it is used on Xbox Live to rank and match players.

>>> from trueskill import Rating, rate_1vs1, quality_1vs1
>>> r1, r2 = Rating(mu=25, sigma=8.333), Rating(mu=30, sigma=8.333)
>>> 'Match quality = {:.1%}'.format(quality_1vs1(r1, r2))
'Match quality = 41.6%'
>>> rate_1vs1(r1, r2)
(trueskill.Rating(mu=30.768, sigma=7.030),
 trueskill.Rating(mu=24.232, sigma=7.030))

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