Author: Harald Faber
Date: 21:53:51 12/05/02
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On December 05, 2002 at 03:58:01, Tony Hedlund wrote: >Take a look at game 21. Shredder had a winning endgame, both programs showed >mate in 9. But suddenly the game ended in a repetition draw! A bug in Shredder? >Tony - This behaviour has been noticed with several engines before. - It has ALWAYS been caused by incomplete tablebases. - In this case AFAIK it is caused by the incomplete "Fritz endgame turbo". - That is the reason why I call this "Fritz endgame turbo" a piece of shit. - The question arises: WHY does SSDF use the Fritz endgame turbo? IIRC SSDF only tests chess programs kind of "out of the box". The Fritz endgame turbo is no part of Shredder 6/7 nor any other CB chess program. Why do you use it? - Why aren't the programs tested by using their provided package? So when there are some 4- and 5-man tbs on the released CD, install them for that specific program. - The problem with incomplete tbs is well known, also for you. Why don't you change your test setup to either complete, none or provided tbs? OK, finally I have to admit that the conditions are equal for all engines running under a CB-GUI... but anyway, games like this kind of falsify results.
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