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Subject: Re: Weird things with hash tables.

Author: Jeremiah Penery

Date: 21:27:58 02/24/99

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On February 24, 1999 at 23:55:26, James Robertson wrote:

>On February 24, 1999 at 04:48:50, Ulrich Tuerke wrote:
>
>>
>>On February 24, 1999 at 04:36:47, Ulrich Tuerke wrote:
>>
>>I use the 2 positions below to test correct work of my hash algos. You need
>>correctly working hash to solve this. May be they are useful for you.
>>
>>8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1 id "HASH-01";c0 "Only Kb1! wins";
>>8/1p5k/1P1p4/3p4/3Pp2p/2K1P2p/7P/8 w - - 0 1 id "HASH-02";c0 "Kb2! draws";
>
>I cannot solve either in a reasonable time with or without hash tables. :(
>For the second position, I solve at ply 21 after more than a minute of thinking.
>There is is probably some big bug in my search that doesn't have to do with hash
>tables, as it seems that William Bryant was able to solve at ply 13. This is
>distressing (not his success, but my failure). :(
>
>James



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