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Subject: Re: World champs 2003 and Tiger and DIEP

Author: Vincent Diepeveen

Date: 15:34:12 09/26/03

Go up one level in this thread


On September 26, 2003 at 18:22:32, Uri Blass wrote:

>On September 26, 2003 at 17:46:06, Vincent Diepeveen wrote:
>
>>On September 26, 2003 at 16:49:22, Christophe Theron wrote:
>>
>>>On September 25, 2003 at 23:02:20, Vincent Diepeveen wrote:
>>>
>>>>On September 25, 2003 at 12:53:42, Christophe Theron wrote:
>>>>
>>>>>On September 25, 2003 at 09:41:05, Vincent Diepeveen wrote:
>>>>>
>>>>>>On September 25, 2003 at 09:15:09, José de Jesús García Ruvalcaba wrote:
>>>>>>
>>>>>>>On September 25, 2003 at 08:26:21, Vincent Diepeveen wrote:
>>>>>>>
>>>>>>>>ICGA asked me to Call for participation in the world championship 2003.
>>>>>>>>
>>>>>>>>So far only 3 programs subscribed to join the world championship computerchess.
>>>>>>>>DIEP is one of them, i guess Brutus the other one.
>>>>>>>>
>>>>>>>
>>>>>>>And there three types of people: those who can count and those who can not.
>>>>>>>José (:
>>>>>>>
>>>>>>>P.S. Good luck and lots of fun the world championship!
>>>>>>
>>>>>>Ah just had email from Stefan, they all didn't know you had to register 'so
>>>>>>soon'.
>>>>>>
>>>>>>Usually world champs most things get organized at the tournament day itself,
>>>>>>i remember especially the paniccing phase 1 short before the world champs
>>>>>>started in October 1997, Paris :)
>>>>>>
>>>>>>Not a single organizer there from the home organisation (so not ICGA) spoke a
>>>>>>word English (and my english isn't that good either, for sure in 1997 it was
>>>>>>horror & co too), Dutch or German and my French is horrible, so i just sat
>>>>>>down at a chair, installed my computer and just guessed what the hand movements
>>>>>>of the home organisation meant.
>>>>>>
>>>>>>They must have guessed in advance to only receive French speaking participants,
>>>>>>a normal assumption for French organisers :)
>>>>>
>>>>>
>>>>>
>>>>>That's really unfair. The 1997 World Championship organization in Paris was
>>>>>great. Remember that we were playing not in some obscure university hall, we
>>>>>were playing in the "Palais de la Bourse".
>>>>
>>>>There were good things and bad things. i bet it was great for french speaking.
>>>>
>>>>bad was all the neonazi demonstrations and the real long waiting times to just
>>>>get past the 2 security checks each time.
>>>>
>>>>bad was not having any internet there or any other contacts to the outside
>>>>world, i would not be able to imagine in 2003 to be without internet.
>>>>
>>>>publicity was real bad of the tournament.
>>>>
>>>>nothing online. really nothing. i remember thorsten czub phoning during the
>>>>rounds to the outside world at his mobile phone the results, otherwise they
>>>>wouldn't even know the results.
>>>>
>>>>So publicity was non existing.
>>>>
>>>>Considering the huge staff of frenchmen running in panic mode around during the
>>>>whole tournament that was really a bloody shame, but what we would call here
>>>>'typical french chaosmanagement' :)
>>>>
>>>>Bad was that it took so long to just get outside of the building to just get 1
>>>>small bread for example.
>>>>
>>>>Good was that each morning when walking to the tournament hall i could order for
>>>>if i remember well 6 franc or something a big fresh bread at a breadshop. That
>>>>tasted real good!
>>>>
>>>>bad was fact that there was still too many world titles then. There were just 3
>>>>competitors if i remember well for the professional world title. Virtual chess,
>>>>CSTal and Fritz.
>>>>
>>>>Good was that after a few days there was very cheap drinks IN the tournament
>>>>hall supplied by organisation.
>>>>
>>>>Good was that it was possible to walk around without problems in the tournament
>>>>hall, in 2001 maastricht for example i found the location a bloody shame. They
>>>>corrected that great in 2002 though in Maastricht.
>>>
>>>
>>>
>>>OK, so in short the good parts were the french bread and free drinks and that it
>>>was possible to walk during the rounds.
>>>
>>>If you like the french bread you should try our chess programs. Some of them
>>>would give you a good run for the money. ;)
>>
>>Well meeting each culture at a world champs is real important and leaves an
>>impression that lasts forever.
>>
>>But the french bread,.... everyone must try it :)
>>
>>But the Tiger, well perhaps it plays me to french bread, so let's not try it too
>>soon :)
>>
>>>
>>>
>>>
>>>
>>>>>The main problem I remember there was AMD. They sponsored the event and provided
>>>>
>>>>Oh the hardware, well Kallisto was sponsored a PII300 by intel. Kallisto however
>>>>was still 16 bits and way faster (like 50% or some insane big diff) on the
>>>>233Mhz K7 that Jan Louwman had managed to get too.
>>>>
>>>>So officially Kallisto ran on that PII300 but in reality diep ran at it. You
>>>>couldn't get that cpu in any shop at that time.
>>>>
>>>>When i entered with that machine the tournament hall i was amazed to see that
>>>>half the tournament was carrying a PII300 with him :)
>>>>
>>>>The toledo2000 programmer was not understanding that his DOS just went up to
>>>>64MB hashtables instead of the full 128MB that he had on the PII300 machine :)
>>>>
>>>>But i guess the real bad thing from world champs 1997 in my memory is fact that
>>>>only search depth mattered there really, assuming a debugged program. I lost
>>>>game after game thanks to simple tactical errors. 8 ply search for a few moves
>>>>and DANG opponent starts smiling "i win a piece!".
>>>
>>>
>>>
>>>Ah well, so that can be put in the "good" column I guess: you discovered there
>>>that in chess your are helpless if your opponent outsearches you significantly,
>>>and that you'd better debug your program before the start of the tournament.
>>
>>it was tested in 1997 with 1000 games auto232 by Jan Louwman. Without that i bet
>>it would have crashed like so many others :)
>>
>>Well crashing is part of the fun...
>>
>>Nowadays some find it bad to crash, but it's part of life.
>>
>>Ask the winners of the previous 2 world champs. I remember they crashed last 18
>>games they played there around 30 times?
>>
>>>You could have discovered that at home, but well. Wisdom is wisdom.
>>
>>You don't want to miss the fun 500 processors are going to give in that respect.
>>
>>In fact i might get 1 or 2 testruns at 500 processors for 1 hour or so.
>>
>>Coming monday morning very early i will have 1 such testruns (those get
>>scheduled automatically but because the machine is never empty some
>>administrator must clean by hand the whole machine and let this run, so
>>practically it only happens when they have maintenance at the machine) so that's
>>very interesting.
>>
>>Some countrymen of yours can't in fact wait for that output. Expected
>>efficiencyspeedup is a bit less than 37.3%, so you can do the match with 125GB
>>hashtables at 1 position from
>>
>>Nataf - Svidler (Fressinet)
>>
>>As you know i managed to help Nataf in FIDE world champs by 'psychologically
>>motivating' him.
>>
>>Hopefully this 500 processor run helps too:
>>  http://www.nao-cc.com/naocc/index.html
>>
>>That is what it will analyze some line that is in the 'psychological' interest
>>of my friend :)
>>
>>>
>>>
>>>
>>>
>>>>In RGCC at the time some people like Bruce and Bob just posted their believe
>>>>that search depth mattered and the rest was not important at all, especially a
>>>>good evaluation wouldn't matter at all.
>>>>
>>>>Well how they were proven wrong later of course.
>>>
>>>
>>>
>>>As far as I know nothing has been proved, either way, in this area.
>>
>>That is not real true.
>>
>>Please delete your current evaluation function and replace it with tiger 1.0
>>evaluation functions, preprocessing etc.
>>
>>Just make the search the same like it is now and go compare.
>>
>>I bet that it will not kick any commercial engine that tiger 1.0 when compared
>>to the current version.
>>
>>>The strength of computers at chess comes from a combination of good search
>>>techniques and reasonable evaluation, with some emphasis still today on search.
>>>Don't forget what you have learned in 1997...
>>
>>No that's not true. You *can* get another 5 ply easily by using a dumber
>>evaluation function type Cilkchess.
>
>plies are unimportant amd it means nothing.
>It even does not mean tactical strength because if you prune good lines by null
>move pruning you can miss tactics.
>
>Christophe also did not say that reasonable evaluation is unimportant so your
>example proves nothing.
>
>Uri

the only improvements i see in tiger since version 0.0001 which impressed
tactically in paderborn a lot of years ago when operated by Thorsten Czub,
is that tigers evaluation has become better.

I see not a single other improvement in tiger that i find worth mentionning.





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