Author: blass uri
Date: 00:33:03 07/14/99
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On July 14, 1999 at 03:19:57, Shep wrote: >On July 14, 1999 at 01:05:25, Terry Ripple wrote: > >>On July 13, 1999 at 23:42:00, Brett Clark wrote: >> >>>On July 13, 1999 at 17:30:10, John Wentworth wrote: >>> >>>>I have had some games where Hiarcs will first announce mate in 3, then on it's >>>>next move it announces mate in 5, then back to 3, back up to 6 etc etc. I >>>>thought when it announced a mate in X number of moves, the moves were forced. >>>>Doesn't appear that way though. Has anyone else had this problem of am I >>>>interpreting it wrong? >>> >>> >>>I've had the same problem. Once, it announced mate in 9, then on the opponent's >>>next move, it came back with an eval. of about +8.50 with no mate announcement. >> >>------- >>In several of my computer vrs computer matches, i seen Hiarcs announce Mate7- >>and this was 5-min. Blitz and was correct by its evaluation. I didn`t experience >>this problem that you are saying, as yet! > >Actually, this problem can be observed in quite a lot of chess programs (Junior, >Fritz, Chess Tiger [rarely] etc.). >Maybe it has something to do with null-move (?). Junior is not a null mover and crafty is a null mover so it has nothing to do with null move. I do not think it happens very often to Junior. It is more common with Fritz from my experience in engine-engine games. Uri
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