Author: Andreas Guettinger
Date: 14:43:07 01/22/06
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On January 22, 2006 at 16:01:25, Joseph Ciarrochi wrote: >Does anybody have any evidence that the fritz gui may favour fritz under certain >conditions? It is not created by a neautral party (chessbase), as was arena. > >I know chessbase supposidly fixed the bug that turned pruning off for fruit >2.2.1. But i am wondering about processing resources. Let's say a second task >makes a demand on processing resources whilst you are playing an engine versus >engine tournement. Could it be that fritz gui protects fritz from loss of >resources, but does not protect UCI engines as well? > >One more question. When the ssdf or other people play with two computers, can >one of the computers run on a non fritz9 gui? so you have one computer running >on fritz gui and say one its own gui or on arena? > >best >Joseph Of course you are right that Chessbase is not a neutral party, like every company on the market they want to sell their products. But I don't think that Fritz gets any advantage in the Fritz GUI. At least this would not be in the interest of Chessbase, because they sell a lot of different engines that can be used in Chessbase GUIs apart of Fritz. They would basically "cut their own throat" by doing that. A good questions is, like you asked above, if UCI engines are run with the same priority as native Chessbase engines? Well, I don't know of any evidence that would support the contrary. But maybe just nobody tested it. E.g. in polyglot you can adjust adjust a flag in the sources that gives the engine higher or lower priority. (UseNice). But from what Fabien told me, this has not much effect on windows operating system. Something similar can be in the UCI adaptor code of chessbase, the GUI gives the engines some priority when it is started. I assume the priority is the same for native and UCI engines, so they get the same resources. On the contrary it's always possible that bugs will intefere with one or the other UCI engine like in the Fruit case. It's only natural that chessbase will mainly test there GUIs with chessbase engines. regards Andy
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