Author: Graham Laight
Date: 16:16:28 01/06/00
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On January 06, 2000 at 17:07:01, Robert Hyatt wrote: >>>Which perspective seems most accurate? The user of a black box, or the person >>>that 'filled' the black box? >> >>Or the impartial evaluator of the black box? > > >That is the point. You can _not_ evaluate the black box. You can only evaluate >the results. The brain surgery worked. You consider it wonderful. Only the >doctor knows all the difficulties he had during the surgery, how close he came >to losing the patient, etc. Because the doctor sees _inside_ the black box. Put the human chess player is also a black box. More so, in fact! >That is why 'impartial evaluation' is not easy until we simply have a lot of GM >games to go on. At present we don't. My view from inside the black box shows Agreed. >thousands of problem areas that need work. It may be that my view is wrong, if >and only if the black box can produce results against GM players that I don't >expect. The easy way out of this is to wait. We are getting data. We know for >sure that Rebel isn't going to have a 2700 TPR based on games so far, so the >2700 number for Tiger on the SSDF is grossly overinflated. As Ed said, and as I Ahem... aren't Century and Tiger two different programs? The last version of Rebel to get an SSDF rating was V9. From memory, it's rating was a little over 2500. Take away the 20-30 points for alignment with FIDE ratings, add them back to allow for the fact that computers are faster now, and the rating isn't far off where Ed claims Century now is. Having said that, I strongly suspect that Century on 400 Mhz would score significantly higher than V9 - and I hope that the SSDF go ahead and rate it. >have said many times, I would consider a TPR of 2500 a remarkable result. And >that isn't good enough to make a GM. True - 2550 FIDE Elo would be required. -g
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