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Subject: Re: Problem with TT

Author: Grzegorz Sidorowicz

Date: 15:51:07 07/11/03

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>>Without null moves my program also can't find solution
>
>A couple of points.  First, you ought to get to depth=25 _instantly_.  You
>can try this position on Crafty to get a feel for how you are doing.  I'd
>immediately inspect the hash probe and hash store code _carefully_ as it
>appears to be broken.
>
>For comparison, Crafty gets to ply=35 in 7 seconds on my PIII/750 laptop.
>It finds Kb1 at around depth=18/19 depending on hash size.  If you don't
>find it by depth=26 you have a horrible bug.  And if you don't get to depth
>26 instantly (my same laptop takes .5 seconds to get there) you also probably
>have a bad hashing bug.
>
>are you sure you are handling the bounds correctly when you store them and
>then look them up.  Are you checking the draft right, using >= rather than
>> in the comparison?  Etc.

I'm sure I have got bug but maybe this bug is not in TT.
How fast Crafty can find solution without TT.
In few days I will try debug it again but I can't find reason.
Today I was thinking about wrong random numbers. But now I'm sure
it is OK.
I will try debug it again and again....



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