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Subject: Re: Announcement: Diep - Tiger beginning saturday!

Author: Robert Hyatt

Date: 20:44:13 01/04/00

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On January 04, 2000 at 17:10:49, Christophe Theron wrote:

>On January 04, 2000 at 15:32:13, Robert Hyatt wrote:
>
>>On January 04, 2000 at 14:02:33, Christophe Theron wrote:
>>
>>>On January 04, 2000 at 12:45:55, James T. Walker wrote:
>>>
>>>>On January 03, 2000 at 20:34:52, Robert Hyatt wrote:
>>>>
>>>>>On January 03, 2000 at 19:34:43, James T. Walker wrote:
>>>>>
>>>>>>On January 03, 2000 at 02:20:43, Thorsten Czub wrote:
>>>>>>
>>>>>>>Want to remind you on the fact that i will do a tournament between
>>>>>>>a fast-searcher .-))) rebel-tiger12 without book,
>>>>>>>and vincents slow-searcher diep in a few days...
>>>>>>>
>>>>>>>it will be 40 games 40/120. on 400 Mhz machines.
>>>>>>>maybe we get so many data concerning this topic,
>>>>>>>that we can have nice discussions here.
>>>>>>>
>>>>>>>I am mainly vincents opinion.
>>>>>>
>>>>>>Hello Thorsten,
>>>>>>I'm sure you will post the games here for all to see.  Frankly, I will be
>>>>>>surprised if Diep is within 150 points of ChessTiger.  Have you tested Junior 6
>>>>>>yet?  I'm very impressed with this program.
>>>>>>Jim Walker
>>>>>
>>>>>
>>>>>I will be surprised if they are very far apart.  Diep plays a lot on ICC and it
>>>>>is _not_ a pushover.  At longer time controls it is very dangerous.
>>>>
>>>>Hello Bob,
>>>>I hope you are right!  I have only seen Diep at G/30 or less.  It was not very
>>>>impressive but I also believe it has faster hardware now.  I hope it is an
>>>>interesting match.
>>>>Jim Walker
>>>
>>>
>>>I wonder why Diep is supposed to be stronger with a faster computer and Tiger is
>>>not...
>>>
>>>Maybe some people are already brainwashed by Vincent's words?
>>>
>>>
>>>    Christophe
>>
>>
>>No... but some programs react better.  If you run crafty on a machine, and
>>cut the clock speed by 1/2 every now and then, the playing skill will drop
>>steadily until some threshold value, then it will plummet... because you just
>>dropped the search depth into the range where my null-move search assumptions
>>begin to fail badly.  A non-null program won't have that threshold to cross and
>>at some point it will suddenly start to kill mine when the hardware gets too
>>slow.
>>
>>Not uncommon at all...
>>
>>Whether this is Vincent's issue or not is unknown.. I only know that his program
>>plays _very_ strongly on ICC...  Against Tiger, against mine, against anyone...
>>
>>It never pays to take someone too lightly...
>
>
>That's not how I see it.
>
>I'm taking the risk in public to challenge somebody who has a big mouth.
>
>I know many peoples are irritated by Vincent blahblah, but I see nobody (almost
>nobody) standing up to tell him.
>
>What do I have to win from this match? Can you tell me, Bob?
>
>I have nothing to win, and much to lose.

That is probably true, of course.  I'm only warning you that his program
is not a sargon or some such thing from the 80's.  It is very strong and
knows a lot of things about the game that a lot of programs don't.  How it
will do is anybody's guess.  It is pretty slow in terms of NPS, so it can
get into tactical trouble, given a chance.  But if it doesn't, its knowledge
can spell trouble for the opponent if the opponent is not a very 'smart'
program.

Will be interesting to see the games...





>
>However I take this match exactly like the matches that have been played by the
>SSDF, Tiger against X, X being a strong commercial program. I have never been
>afraid of such matches, I'm not going to be afraid today just because Vincent
>claims he has such a wonderful program and such a wonderful understanding of
>chess programming.
>
>Actually when I read such claims I feel more confident. I don't know why...
>
>
>
>    Christophe



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