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Questionniare

Posted By: Rick Janowski
Date: Saturday, 20 February 2016, at 10:57 p.m.

In Response To: Questionniare (Barry Silliman)

It seems I misunderstood what was meant by decay.

I was considering how the relative weighting (or influence) of previous results in an Elo system are reduced per match played. Here is an excerpt from the Wikipedia page on Elo ranking systems to illustrate the point:

"If the K-factor coefficient is set too large, there will be too much sensitivity to just a few, recent events, in terms of a large number of points exchanged in each game. Too low a K-value, and the sensitivity will be minimal, and the system will not respond quickly enough to changes in a player's actual level of performance."

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