Elo formulated the model for describing players strength and also one method for estimating the strengths with very simple method. And at the bottom you argue that even Elo's model is merely Bradley-Terry model for preference but their exercise was purely academic and not related to chess.
Dr Glickman made a another method for estimating the same i.e at bottom is more of the same than different. It just finds the correct values bit faster
Remember how we learn language. We start as babies with zero words in our heads. No one can give us any definitions because we would need words already.
What do we do?
We hear repeating sounds and begin to speculate what they might mean.
We hear more, and correct and refine our assumptions about what the sounds mean.
It's amazing, but apparently this is a working way to learn to speak, so we keep this way.
We start with chess, and hear others talk about ELO as a measure of playing strength. We assume this is a universal way of measuring playing strength. We come to a chess server and see a number next to the players' names that is higher the better they play and think: Ah, that must be that ELO.
In France they say, ‘Ello ello’!
@InkyDarkBird said in #1:
> When Lichess uses the Glicko-2 rating system?
Cause it's every chess players' first association with rating systems and using the word "glicko2" all the time sounds like shit?
It‘s because of Ukrainia (Glicko=Klitschko).
@BorisOspasky said in #23:
> In France they say, ‘Ello ello’!
Exactly, and 'France Gall' even sang a song about it.
It's her homage to the Ello system.
@Sarg0n said in #25:
> It‘s because of Ukrainia (Glicko=Klitschko).
Thank you for your information, until now I thought the name of this strange rating system was derived from the gecko species.
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