Author: Robert Hyatt
Date: 19:34:59 05/08/98
Go up one level in this thread
On May 08, 1998 at 13:41:51, Fernando Villegas wrote: >On May 08, 1998 at 10:28:53, Terry Presgrove wrote: > >> Would someone please explain the aproximate rating >> differential between ELO and USCF ? > >Hi: >It seems the differential does nor run along an straight line, but on a >curve. At the high end of it both lines -or curves-tend to aproximate, >so some learned people say. In the middle class rating section, it seem >the difference is like 100 points, that is, USCF rating is inflated in >100 points compared with the equeivalent in strnght of ELo rating list. >A 2400 player would be no more than a 2300 in Elo, but who knows... Ken Sloan posted a detailed analysis of this about a year ago in r.c.c.c, where he compared several hundred players with both FIDE and USCF ratings. For a linear fit, USCF=FIDE+50. But it is not a linear equation, unfortunately. But that is a close approximation, particularly at 2300 and up...
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