Author: Uri Blass
Date: 01:01:01 08/25/05
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On August 25, 2005 at 02:04:32, Shaley wrote: >On August 24, 2005 at 08:41:38, Joachim Rang wrote: > >>This is some kind of special knowledge and irrelevant for playing strength. I'm >>not saying that Fruit has more or better knowledge of specific chess positions >>than Fritz (it most certainly has less) but that it _plays_ very good. My >>definition of sound chess is: it wins more often. ;-) >> >>kind regards >> >>Joachim > >Oh, Joachim, I don't believe there're irrelevant positions in chess, however >unnatural they may seem. You know a lot of chess problems when the weakest side >gains a draw by force sacrificing pieces and closing the pawn chains, don't you? >But, true, I've got your point; you meant it was not real chess, these positions >occur very rarely, one in thousands, may be. All right, I tested Fruit 2.1 >against Fritz 8.1.2.0 (Bilbao) in a 20 games' match with the time controls of >15'+ 15". The opening books were switched off not to give Fritz an edge due to >his powerful opening book. The result was very pathetic for Fruit: +0 =6 -14. >Well, it's very likely that Fritz Bilbao is too strong for Fruit 2.1. It is very likely that something is wrong in your test because as far as I know no testers got similiar results. If you use the opening position with no opening book and no learning then the same game can repeat often so the test is not serious. If you want to test without opening book you can use the nunn match when both programs get the same position with white and black. Uri
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