Author: Enrique Irazoqui
Date: 11:42:18 12/23/99
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On December 23, 1999 at 13:43:50, Chris Carson wrote: >On December 23, 1999 at 13:40:32, Chris Carson wrote: > >>On December 23, 1999 at 13:31:02, Enrique Irazoqui wrote: >> >>>On December 23, 1999 at 13:06:20, Tony Hedlund wrote: >>> >>>>On December 22, 1999 at 18:59:10, Enrique Irazoqui wrote: >>>> >>>>>On December 22, 1999 at 12:36:48, Tony Hedlund wrote: >>>>> >>>>>>Swedish ELO-list from 990101: >>>>>> >>>>>>1. GM Ulf Andersson 2623 >>>>>>2. GM Ferdinand Hellers 2605 >>>>>>3. GM Jonny Hector 2542 >>>>>>4. GM Evgenij Agrest 2533 >>>>>>5. GM Ralf Åkesson 2530 >>>>>>6. GM Pia Cramling 2515 >>>>>> >>>>>>Tony >>>>> >>>>>These are exactly the FIDE ratings, January 1st 1999. Does this mean that >>>>>Swedish and FIDE ratings are identical? >>>> >>>>Good question. I got the numbers from the Swedish chessmagazine Schacknytt >>>>(chessnews). It stated "the Swedish ELO-list", but I guess they meant FIDE-ELO. >>>>But then again they listed every Swede over 2200, 236 players. I don't think >>>>there are so many Swedish players with a FIDE-ELO. >>> >>>Yes there are, I just looked. Exactly 236 with an Elo of 2200 or over in the >>>FIDE list of 1-1-99. It must mean that Swedish and FIDE lists are the same, no? >>>In this case, your list was calibrated for FIDE and the 2696 of Tiger really >>>means 2696 according to the SSDF. >>> >>>Enrique >>> >>>>Tony >>>> >>>>> >>>>>Enrique >> >>Almost right. You need to factor in the Error of measure. For a >>confidence of 95% you add or subtract 2 error of measure. So Chess >>Tigers rating is between 2616 (2696-40-40) and > 2784 (2696+44+44). Keep in mind there is still a 5% chance that the >true rating is above or below this range. :) Sure, but this 2696 is unreal anyway. What I wanted to know is how the SSDF list was calibrated with human players. It seems that for FIDE ratings = Swedish ratings. This is the only thing I wanted to find out. Enrique >Best Regards, >Chris Carson
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