Author: Robin Smith
Date: 17:56:11 04/09/03
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On April 09, 2003 at 10:24:57, Uri Blass wrote: >On April 09, 2003 at 09:18:37, Pat King wrote: > >>On April 08, 2003 at 19:30:24, Robin Smith wrote: >> >>>The following position is a rather trivial (for a human) perpetual check. Why >>>does it take some programs so long to see it? >> >>Most programs use some kind of "contempt" score for draws, so in a materially >>balanced position, they will reject draw scores, so as to provide active play. >>In a position like this, they will keep playing to win, having no means to >>"realize" the truth. Since this logic doesn't cause losses, there is no reason >>for programmers to spend time making programs smarter in this respect. >> >>>Robin >> >>Pat > >No > >Most program use no contempt in analyze mode and the poster did not talk about >scores of +0.15 that are normal contempt factor but about scores of winning for >white. > >Uri Right Uri! Hiarcs 8 sees +4.5 pawns!! And this doesn't decreese with deeper searches! Robin
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