Author: Alvaro Polo
Date: 00:16:06 08/25/00
Go up one level in this thread
On August 25, 2000 at 02:35:18, Ricardo Gibert wrote: >On August 25, 2000 at 01:17:06, Alvaro Polo wrote: > >>On August 24, 2000 at 23:17:53, Bruce Moreland wrote: >> >>>On August 24, 2000 at 22:48:47, Michael Fuhrmann wrote: >>> >>>>On August 24, 2000 at 22:01:39, Bruce Moreland wrote: >>>> >>>>>On August 24, 2000 at 18:53:53, Eran wrote: >>>>> >>>>>>Different chess programs use different processor speed, and the results may not >>>>>>be fair. If Junior uses Pentium III 1000 Mhz instead of 700 Mhz, Junior might be >>>>>>a bit stronger and belong to the group of top chess programs, Shredder, Fritz, >>>>>>and Nimzo. I assume that if all chess programs use the same processor speed >>>>>>exactly, for instance Pentium III 1000 Mhz, the wmcc results will be enough >>>>>>reliable and fair. Do you agree with it? >>>>>> >>>>>>Eran >>>>> >>>>>As for "fair", this is not a uniform platform tournament. If you do a uniform >>>>>platform tournament, you get "fair". If you go to one that isn't, and you >>>>>expect "fair", it's better to stay home, because it won't be. It's not uniform >>>>>platform. >>>>> >>>>>If you expect "reliable", even in a uniform platform tournament, you aren't >>>>>going to get that, either. If you deduce a perfectly accurate rating for each >>>>>participant, and simulate the tournament a few dozen times, you'll get wildly >>>>>different results. The "best" program won't win every time. The "best" program >>>>>might not even finish in the top half. >>>>> >>>>>bruce >>>> >>>> >>>>Sounds like there's no good reason for holding the event at all, since the >>>>result doesn't tell us anything meaningful. >>> >>>Right. There isn't a reason to hold the World Series, the Olympics, the World >>>Cup, or any other sporting event, either. >>> >> >>It is curious what you say. In plain chess (not computer chess), if there is a >>tournement where Kasparov participates in, you can expect him to win. Sometimes >>he wont, of course, but I don't think it is probable that he won't finish on the >>top half. It looks like chess is much more reliable than computer chess. I >>wonder why. > >Kasparov is rated 2849 by fide while the number 2 player Kramnik is rated 2770. >That is a 79 point rating difference. The difference is even greater when you >compare him with other players, so it is not surprising at all that he wins as >often as he does. It's not like they are miscalculating his rating. It reflects >precisely what he has accomplished. In computer chess, the top programs are >bunched very closely together. There isn't one program that can dominate the >others, so their ratings reflect this also. > That is the question. Why do elos among chessplayers differ more than elos among chessprograms? I would think that, given that more people play chess than program chess, variability among top programmers talents would be greater. Alvaro >> >>Alvaro >> >>>Unless of course you don't regard them as scientific experiments intended to >>>produce statistically reliable data. >>> >>>bruce
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