Author: Harald Faber
Date: 07:39:38 10/12/02
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On October 12, 2002 at 10:35:28, Kurt Utzinger wrote: >On October 12, 2002 at 10:17:09, Harald Faber wrote: > >>On October 12, 2002 at 09:27:25, Kurt Utzinger wrote: >> >>>There are three differences: >>> >>>1.) >>>Harald Faber is using the autoplayer and two PC's >>> >>>2.) >>>Harald Faber is playing with ponder=on >>> >>>3.) >>>Harald Faber used the kostick.btk (under Shredder-GUI) for CM9 and the >>>commercial books for the other programs, whereas we chiefly let all programs >>>play with the remis.ctg (write protected, thus no learning). We wanted to test >>>playing strenght of engines only and not good/bad books. >>> >>>In my opinion the last point may have the greatest influence on the outcome of >>>matches, and furthermore the Kostick book may be too old fashioned to keep up >>>with other modern books. And eventually, there is always a statistical margin of >>>error in all matches played. >>> >>>Kurt >> >> >>IMO the Kostick book is even better for testing than some remis/draw opening >>book. Just my 2 cents. >>And you forgot to mention >> >>4) I am testing 40/120+60 whereas you test 40/40. >>( 5) The opponents use the 5-man tbs) >> >>4 SIGNIFICANT differences. > >With respect to books you are surely wrong Harald. The program (CM_9000) using >the Kostick.btk (converted Kostik.opk) has a disadvantage vs the top modern >commercial books of Deep Fritz, Hiarcs8 and so on. That was the reason why we >gave all program the same remis.ctg book. This book does not at all include >lines that lead to drawish games, but the programs are at the same moment out of >book in balanced (positional/dynamical) situations. >Kurt May I remind you on the CLEAR loss CM 9000 plus Shredder opening book vs. DeepFritz 7? For me it does not look like a big dependency on the book. Anyway, sure, for further testing I will modify the Kostick book, there are some strange King's Indian and A11 lines contained which a program should not play.
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