Author: Uri Blass
Date: 15:16:17 10/19/02
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On October 19, 2002 at 17:59:05, Jesper Antonsson wrote: >On October 19, 2002 at 17:27:43, Uri Blass wrote: > >>They probably searched more important lines than Fritz so I do not think that >>their 12 plies are eqvivalent to fritz's 12 plies but I still strongly believe >>that their 12 plies are not more than Fritz's 14 plies and Fritz can search more >>than 14 plies in the middle game with fast hardware so I guess that Fritz with >>fast hardware is better. >> >>Uri > >Why? If they reached 12 true plies (without nullmove) and did more extensions on >top of that, why do you "strongly believe" that that was not "more" than Fritz's >14 pruned plies? I believe based on analysis of the games. I found that Fritz on p800 was only slightly slower in seeing the same line relative to deeper blue in few cases. Hsu also did not claim that they did 126M effective nodes. He said that the estimate for the real number of nodes(not efective nodes is 200M and with all their problem of parralel search and hardware it is logical to assume that the eqvivalent number of nodes on a single machine is a lot more than 2 times lower. And remember that DBs eval was much better than Fritz's. (I >know you won't agree, but I believe Hsu here, because I know the DB team was >smart and because Hsu in a better position to know than you are.) > >/Jesper Hsu knows nothing about the evaluation of Fritz and it make sense to believe that Fritz's evaluation is better because Fritz had more time to test their evaluation. Uri
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