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Subject: Re: hash and checks

Author: Larry Griffiths

Date: 18:45:28 01/19/01

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On January 19, 2001 at 19:47:20, Will Singleton wrote:

>I was looking at my code today, and I noticed that I don't store or retrieve
>check positions in and from the hash table.  I have always had a bad habit of
>not documenting my code, which stems from my origins as a hobby programmer.  I
>always figure I'll remember what x+ (temp-1) means, how could I forget?
>
>Anyway, do others store checking positions?  If so, what happens if you disable
>it?  I'm asking because I had some weird results when I tried it.
>
>Will

It seems like I do not store checkmates because my score for checkmates are
adjusted depending upon the ply that they occured at so that checkmates close to
the root ply score higher than checkmates at the horizon nodes and beyond so
that the shortest number of moves to a checkmate would be chosen.  I think that
this scoring method caused problems with my hash table, so I do not store
checkmates in my hash table.

Maybe you score like I do ?

Larry.



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