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Subject: Re: Ooops

Author: Robert Hyatt

Date: 17:55:19 06/19/03

Go up one level in this thread


On June 19, 2003 at 20:02:56, Ricardo Gibert wrote:

>On June 19, 2003 at 18:19:58, Tom Kerrigan wrote:
>
>>On June 19, 2003 at 18:01:57, Robert Hyatt wrote:
>>
>>>On June 19, 2003 at 17:17:15, Tom Kerrigan wrote:
>>>
>>>>On June 19, 2003 at 16:43:52, Robert Hyatt wrote:
>>>>
>>>>>I take the comment as what I said.  The original position 2 had 8 pieces.  He
>>>>>complained about the evaluation.  Even taking three pawns off it _still_ was
>>>>>wrong.
>>>>
>>>>What in the WORLD are you talking about?? What article are you referring to? I'm
>>>>going to this URL, which is at the top of this thread:
>>>>
>>>>http://www.clubkasparov.ru/521772350.html?462691585533321
>>>>
>>>>What do you mean, "original position 2"? Has the article changed?
>>>
>>>"original position 2": the position given in the article.
>>>
>>>"modified position 2":  the position you get if you "remove three pawns
>>>as suggested by the author."
>>>
>>>Was that too hard to understand???
>>>
>>>
>>>
>>>>? Because the
>>>>current position 2 has 7 pieces (not 8) and if you take the pawns off (for what
>>>>reason?), you're left with KB vs. KB, which you'd think Junior and Fritz would
>>>>evaluate as a draw, and the couple sentences of discussion about it don't talk
>>>>about databases at ALL.
>>>>
>>>>-Tom
>>>
>>>
>>>On the other hand, you are correct.  I meant position 1.  Not position 2.
>>>
>>>So in the above replace 2 with 1 in both places.  And we are back to the
>>>point.  Removing three of the pawns produces a bogus evaluation.  Because
>>>the tables were _not_ working.  He _should_ have known that before writing
>>>an article and publishing it.
>>>
>>>If you remove three pawns, it will be in the 5 piece tables.  If he really
>>>had them.  He implied he did.  But he didn't.  And that leaves out the fact
>>>that _some_ programs can get this one right without tables, even with the
>>>original 8 pieces on the board.  Mine can, for example.
>>>
>>>There is little excuse for saying something doesn't work, when it doesn't
>>>work because of a user error.  Publishing it is even worse.
>>
>>I think it's not optimal. It seems like he should have thought twice when his
>>5-man databases didn't give him the solution to a 5-man position. One can argue
>>that his complaints are legitimate because the programs gave him the impression
>>that the databases were installed when they weren't.
>
>
>One thing that should be kept in mind about GM Shipov's misimpression havin all
>the 5-man EGTBs is that advertising for chess programs foster this impression
>with ambiguity. They claim their program comes with 5-man EGTBs, but neglect to
>say they don't come with all of them. A lot of people fall for this and I
>remember once going through a lot of trouble a long time ago in sorting this out
>about a particular chess program. An understandable error.

Sure it is when chessbase advertises "all endgame tables on 3 or 4
CDs" or whatever they claim.  However, when publishing something, knowing
you are supposed to have all 5-piece files but getting a bogus score for
a 5 piece ending _should_ run up a red flag...


>
>
>>
>>I've always agreed with that point though.
>>
>>Now that you've dropped your assertion that the guy is an idiot because he
>>wasn't counting kings as pieces in his 5-man positions, it seems like this has
>>been discussed to conclusion.
>>
>>-Tom



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