Author: blass uri
Date: 04:36:31 07/19/99
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On July 19, 1999 at 03:54:52, Shep wrote: >On July 17, 1999 at 16:10:49, Frank Müller wrote: > >>On German commercial Shredder site >>http://www.computerchess.de/shredder/news.html you will find the following >>position: >>5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - >>If you set Shredder's selectivity tab on maximum value, Shredder will indicate >>mate in 30 within few seconds. My Hiarcs 7.32 and Fritz 5.32 programs, however, >>are not able to find this solution. Does Shredder have an advantage over Hiarcs >>or Fritz in this kind of positions? Well, I know that this kind of examples are >>not the only criterion to evaluate common strength of a chess program, but >>nevertheless, it is quite interesting. Who can help me with some own experiences >>with regard to selectivity settings in ChessBase programs? Thank you very much >>for your help. > >Hiarcs will probably never find this solution. The reason is that its maximum >search depth seems to be 30 (or 31) ply. If you are right then hiarcs can have problems in correspondence games because you often need to look more than 30-31 plies forward in these games. Uri
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