Author: Jorge
Date: 09:23:26 10/01/02
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On September 30, 2002 at 01:35:30, Terry Ripple wrote: >On September 29, 2002 at 20:46:09, Dana Turnmire wrote: > >>Anyone know what the performance rating is for the Chessmaster? >-------------- >CM 9000 won with a score of 2.5-1.5 > >CM 9000 shows an aproximate scoring probability of "62.5 percent" > >Larry Christensen's rating showed a "2559" in the match on ICC. > >According to the USCF's rating chart, the higher rated person who would win >about 62.7 percent of his games would be about 90 points(USCF) higher rated than >his opponent. > >If Larry's rating-(2559)is up to date, then "2559 + 90" = "2649" for CM 9000! > >)P.S. Remember, for the figures to be most accurate you need more games!) > >Regards, > Terry This is open to a huge error margin, since the percentages are very sensative to small sample, as you already know. Is there a rule of thumb on how many games should be played to have a better estimate (30 games maybe)? Where can I find a table based on % wins and Rating? thnks, jorge
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