Author: Shep
Date: 00:19:57 07/14/99
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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 (?). Crafty seems to be one of the very few which does not have this peculiarity. However, I have not yet seen this to be any problem since no program gets caught in a "mate in 8 -> mate in 6 -> mate in 9 -> mate in 5 -> mate in 9" loop. --- Shep
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