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Subject: Re: Opening Books / Tablebases

Author: Ulrich Tuerke

Date: 01:03:01 05/09/00

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On May 09, 2000 at 03:56:07, blass uri wrote:

>On May 09, 2000 at 03:36:17, Ulrich Tuerke wrote:
>
>>On May 08, 2000 at 22:18:37, Adrien Regimbald wrote:
>>
>>>Hello,
>>>
>>>I think that restricting computer engines in a tournament with humans is
>>>rediculous.
>>>
>>>- Some human players is that they are an "external resource".  This is
>>>nitpicking over details - a program could easily include such information within
>>>the binary itself.
>>>- Some human players complain about not having an opening book or endgame
>>>tablebases to use themselves.  There may be some reasonable argument here ..
>>>computer programmers will argue that the humans had a chance to learn the
>>>openings / endings through books and have memorized the openings / endgame
>>>techniques .. the humans will argue that they don't have perfect recall of this
>>>information
>>>
>>>It seems to me that it is only reasonable to allow the computers access to
>>>opening books / endgame tablebases as needed.  Perhaps human players will be up
>>>in arms about it, but it is an extremely unfair handicap for a computer to be
>>>playing against (for example) a GM who has spent their life memorizing the
>>>latest and greatest variations in all of their openings.
>>>
>>>To show how rediculous the perfect recall argument is - if you take this far
>>>enough, human players aren't given diagrams when they play of where the pieces
>>>are best, and humans can't always remember this, so computer shouldn't be able
>>>to have these internal tables of piece/square bonuses for positional evaluation.
>>> If we continue this far enough, a computer's eval would be completely
>>>disallowed, as humans aren't even given piece values when they sit down to play.
>>>
>>>I mean, really, come on - it's quite rediculous.  If you took 2 GM strength
>>>players, and you somehow had the ability to take away all the variations that
>>>one GM had memorized, and all of the familiar endgame positions, who do you
>>>think would win?  That's exactly what is being done to the computers being
>>>forced to make concessions concerning opening books / endgame tablebases.
>>>
>>>As an author of an engine myself, I get quite incensed when people say my
>>>program is "cheating" by using an opening book.
>>>
>>>What is the opinion of other authors on this?
>>>
>>>
>>>Regards,
>>>Adrien.
>>
>>I fully agree with you.
>>Unfortunately, it will become increasingly difficult, to have a computer
>>participate in a humans' tournament (the chance is already zero today unless you
>>pay a lot). However, I doubt that compromises of the above kind (omit some
>>hardware or databases) will stop this  trend. I am afraid, we have to live with
>>it.
>>
>>A "fair" chance to compare were man-machine events where it was clear from the
>>beginning that humans have to play machines. I guess these are all gone now.
>>
>>I think, the best chance today to get human opponents for a prog are in fact the
>>chess servers.
>>
>>Uli
>
>I think that the problem is that some sponsors are against computers.

It is my experience that many PLAYERS refuse to play computers, in particular
many of the master players !
(A few years ago, Comet participated in 2 human events in the Frankfurt area.
The organizers had no objections but IMs complained.)


Uli

>
>I do not think that less humans will play in tournaments if they know the prizes
>for humans are the same and also that everyone has to play with the computer.
>
>Maybe there are some humans who will not play in this case but there will be
>other humans that will be happy to play computers because they believe that they
>can get better results against computer relative to other humans with similiar
>rating and improve their chance to win prizes.
>(hasidovski(2177) drew against 3 chess program in the israeli league)

Yes, sure i agree that there are also "computer-friendly" master players.

>
>Uri



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