Author: blass uri
Date: 16:11:33 04/22/00
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On April 22, 2000 at 17:22:52, Robert Hyatt wrote: >On April 22, 2000 at 14:20:57, A.L.Mourik wrote: > >>Hello dear CCC friends, >> >>Although earlier reports from e.g. Jouni Uski, suggest an enormous increase in >>strenght for Crafty 17.10 >>Nuun 2 match result Fritz6 against Crafty 17.10 ends in a very clear >>29,5-10,5!! victory for Fritz6. >>Played on PII 400 8mb for HT, Timecontrol 5 min + 3 sec per move. > > >This keeps coming up, so I may as well add my two cents worth one more >time.. > >You did _not_ reproduce the results of others. But then you didn't run >the same test either. You used one computer, presumably with ponder=off. >That is _not_ a reasonable test. Lots of reasons, but to make it simple: > >Let's play a match with no opening book. That favors the program with the >lousy book. > >Let's play a match with search extensions and tricks disabled. That favors >the program with the best eval. > >Let's play a match with evals disabled. That favors the program with the >best search. > >Lets play a match searching to fixed depth. That favors the program that does >the most work per node. > >Let's play a match searching to a fixed time limit. That favors the program >that has a horrible automatic time allocation algorithm. The fact that one program has better opening book or better time allocation algorithm is important for games but is not important for analysis. This is the reason that I think that testing programs without opening book is also important(Unfortunately Chessbase's interace does not give a possibility to use also fixed time per move). Uri
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