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Subject: Re: Shredder bug? Nonsense again

Author: Ricardo Gibert

Date: 05:29:03 05/26/02

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On May 26, 2002 at 08:24:54, Uri Blass wrote:

>On May 26, 2002 at 07:46:18, Ricardo Gibert wrote:
>
>>On May 26, 2002 at 06:58:41, Harald Faber wrote:
>>
>>>On May 25, 2002 at 20:18:27, Peter Kappler wrote:
>>>
>>>>On May 25, 2002 at 18:52:10, Ricardo Gibert wrote:
>>>>
>>>>>In the following position against a guest:
>>>>>
>>>>>[D]8/8/8/8/7p/4k2P/5pK1/8 b - - 1 80
>>>>>
>>>>>BK-Chess (Shredder) allowed a draw by repetition by 80...Ke2 81. Kh1 Ke1 82. Kh2
>>>>>Ke2 83. Kh1 Ke1 84. Kh2 Ke2 85. Kh1. Supposedly it has all the 3, 4, 5 man EGTBs
>>>>>as per its finger notes.
>>>>>
>>>>
>>>>I suspect it had KPPKP, but not KQPKP, which explains why it happily kept a
>>>>mate-in-X position on the board instead of queening the pawn (which would drop
>>>>the score to "only" +10).
>>>>
>>>>Note that it still should have seen the correct mating line in the search, but
>>>>perhaps Shredder doesn't bother searching if it finds tablebase mates at the
>>>>root.
>>>>
>>>>-Peter
>>>
>>>
>>>I don't know about that, fact is: on my machine, like always when someone like
>>>Ricardo complaints about a "BUG", everything is fine. 1.Ke2 (#6) Kh1 2.f1-Q+
>>>(#5) and so on, no draw. In opposite to the SUPPOSED installed 5-man, *I* really
>>>have them installed.
>>>
>>>I wonder if these "bug" resports will ever end...I am feeling like Don
>>>Quixote...
>>
>>Forgive me if I'm being obtuse, but how is it that "everything is fine" when the
>>game ended in a draw by repetition?
>
>Everything is fne on his machine because on his machine the KQP vs KP tablebases
>are installed.
>
>Uri

I guess I continue to be obtuse, but where did *he* make the qualification "on
his machine"?



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