Author: Vincent Diepeveen
Date: 16:31:29 05/10/98
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On May 08, 1998 at 22:34:59, Robert Hyatt wrote: >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... I get a lot of matches from unregistered guests. In fact just as much as i get registered matchrequests. I sometimes get bored that so many of these requests are guests who like to play with their program against me, as i'm having put in my notes that i have myself a chessprogram, they seem to confuse that with that i'm playing with a program at my Diepeveen account (how smart people are!), which is not the case. Diep's running under DiepX, JudgeTurpin (Bradley Woodward) or DoctorWho (Lonnie Cook). Note that i know within few games whether my opponent comes from Europe/Russia or the rest of the world (mainly USA). When a player comes from the Netherlands i find this out also very very soon, usually because he plays so tough. Even easier to recognize are guests who are using a program. Harder to see is the difference what program they use, because if i know this, then usually i beat them, where the first game that i play against these guests i of course lose, because i don't know that they play with a program, and go into tactics or open a file, and lose without a chance. The third or fourth game i start playing the Naarden anti-computer opening (close the centre and prevent opening files by playing 1.e4,e5 2.Nf3,Nc6 3.c4,Nf6 4.Nc3,.. 5. g3 6. Bg2 7. h3 8. d3 9. O-O 10. Kh2 and then soon f4 and g4, where g4 is mainly to prevent f7f5!), and then within 14 moves i sometimes even manage to know what category of program i'm playing (fritz/Nimzo/crafty/gnuchess or Rebel/Mcpro/The King). Vincent
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