Author: Vincent Diepeveen
Date: 16:53:36 12/22/04
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On December 22, 2004 at 02:43:50, Harald Faber wrote: >On December 22, 2004 at 02:07:46, Kurt Utzinger wrote: > >>On December 22, 2004 at 02:04:10, Jouni Uski wrote: >> >>>Hopp oder top – Steigern Tablebases die Spielstärke? >>>Helmut Conrady untersucht in einem sehr breit angelegten Test die Auswirkungen >>>der Tablebases auf die Spielstärke von Schachprogrammen. Die Ergebnisse sind – >>>gerade auch für viele Programmierer – äußerst überraschend! >>> >>>Summary in english after reading article yesterday: after 1000s of games with >>>different levels and engines tablebases seems to have always NEGATIVE effect >>>on playing strength!! No doubt at all! Uri can easily forget implementing now.. >>> >>>Jouni >> >> Hi Jouni >> From discussions at CSS a lot of people argue that >> Helmut Conrady's conclusion would at least be wrong >> for games at slow time controls. Helmut tested >> at different blitz time level. Personally, I believe >> Helmut is right. >> Kurt > >The argument is easy and logical: >The more positions you search, the more likely you reach positions from the TBs >which are relevant for the current position. >If you search for 3 sec per move it is unlikely that you hit the (right) >tablebase positions than when thinking for 1 minute e.g. Easy logical and completely wrong. The more shallow you search for a program like Shredder or Diep, the more likely is that they will exchange without realizing the consequences. Also the 'luck' factor is bigger in blitz than at slower levels. That's why in blitz EGTB's are far more important than in slower levels.
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