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Elo difference mapping to Snowie ER
Posted By: Rich Munitz
Date: Monday, 10 May 2010, at 2:34 a.m.
In Response To: Elo difference mapping to Snowie ER (Christian Plenz)
XG does indeed use a 33 Elo = 1 PR ratio.
From the online help:
2. Equivalence between performance and Elo There is, roughly, a linear relation between Elo (GammonSite equivalent) and performance:
Elo=2240performance*16500
3. Performance Rating (PR) Performance rating express your performance using a easy to manipulate number.
PR= performance*500
So performance = PR/500 and Elo = 2240PR/500*16500 = 2240PR*33
So Elo is proportional to PR*33
General perception seems to be that PR ~ 1.1 (Snowie) ER. If that is true, then
1 (Snowie) ER ~ 30 Elo.

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