Author: Daniel Shawul
Date: 20:40:26 12/02/05
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On December 02, 2005 at 10:19:48, F. Huber wrote: >On December 02, 2005 at 09:25:43, Eelco de Groot wrote: > >>Hello Ryan, >> >>Thanks for the Gambit Fruit Beta 4b! I could not seem to get the Scorpio >>bitbases to work yet in ChessPartner interface. The egbbdll.dll seems to be in >>use when Gambit Fruit is running, it is listed in Systeminfo as loaded module >>and I could not remove when I wanted to try a reinstall the .rar file with >>bitbases. Gambit Fruit beta was still running, so I think it did use the dll. >> >>I could not however see any changes in the analysis of simple positions, >>analyzing a position entered in CP, and for instance the engine does not find >>any mate scores in a typical position with lone King against two Bishops. Could >>it be a operating system thing? I have Windows XP with service pack 2 installed. >>Do you maybe have an idea what it could be? >> >> Regards, Eelco >> >>[D]4k3/8/8/8/8/8/8/4KBB1 w - - 0 1 > >Hi Eelco, > >the Scorpio bitbases are of course NOT complete - the file ´kbbk.dat´ you would >need for the position above is not included. >Try e.g. any position with bishop and pawn (i.e. ´kbpk´) and you´ll see that >the bitbase actually are working. > >But what´s a bit strange: I also don´t get any mate scores but simply an >evaluation about 40..60 !? > I see that Ryan multiplied the score the dll gives him by 5. This is not knowledgeable scoring according to E.Heinz. As you pointed out, the kbbk is not included because it is trivial and any engine will give +7.0 score easily. So to give +40 for a won kbpk is not a good idea as it favours this one over kbbk for no reason. daniel >Regards, >Franz.
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