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If my skill is above average, is it easier to go down than up? #131

Answered by vivekjoshy
jauggy asked this question in Q&A
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That depends on the skill level of your opponent and the model in question. For instance, the Plackett-Luce model's distribution isn't technically a normal one even though the relationship between $\mu$ and $\sigma$ parameters for an individual skill as implemented in Weng-Lin are normal. The Plackett-Luce distribution isn't even technically a univariate distribution like the Gaussian.

If you're looking for intuition, the traditional comparison to Elo can be helpful since it's proved in the paper Elo is a special case of the models.

TLDR: No. It depends on the distribution of skilled players. More skilled players than you mean, higher chance of your skill going down. When you go against e…

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