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Subject: Re: Not much about the Rebel Game

Author: blass uri

Date: 10:47:35 08/16/99

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On August 16, 1999 at 12:59:10, Ed Schröder wrote:

>>Posted by Will Singleton on August 16, 1999 at 02:58:46:
>>
>>>GM's are by far superior when the topic is understanding the game of chess
>>>and that will remain for a very long time and maybe even after 100 years.
>>>
>>
>>Ed,
>>
>>It's great to see these games on ICC; I really like your initiative.  I must
>>disagree with your statement above, however.  100 years?  Did you perhaps mean
>>10 years?
>
>No typo :-)
>
>>10 years ago, you were using perhaps a 68020 at 25 mhz.  You are now
>>running at 600 mhz, effectively about 30x faster (considering cache etc).  In 10 years we
>>might have 20 ghz machines, which means that a 3 minute think today will
>>take 6 seconds then.  This is not even considering advances in chess algorithms,
>>which will certainly occur.
>
>This is all very true.
>
>>So, I must take issue with your concept of "chess understanding," since
>>that can only be measured by wins and losses.  If a computer beats a GM, by
>>definition it has better understood the game.
>
>I disagree.
>
>If a computer beats a GM the computer is simply stronger. I consider stronger as
>something else than understanding chess.
>
>>In 10 years, it's clear that no human will be able to contend with commercial
>>programs running on off-the-shelf hardware.  Since you have a propensity for
>>gambling, would you like to make a wager on that?
>
>I also believe that in 10-15 years a PC is able to beat the strongest human on
>earth.
>
>Doing so this doesn't automatic mean the computer does understand chess
>better than the human.
>
>This is what I mean with my 100 year statement: Look at any GM-COMP game
>and you will see that the human ALWAYS gets the initiative. The computer always
>has to defend. Why? Because the GM knows how to play chess. The GM
>understands chess, the computer can not match the feeling for (long-term)
>strategy, the feeling for certain positional long-term sacrifices etc. etc.
>
>What usually happens is that GM's throw away the gained advantage by
>overlooking smart, deep and sometimes very surprising defences of the
>computer.
>
>IMO the current struggle in GM-COMP can also be redefined as:
>
>"Strong understanding of chess + a not optimal search algorithm (many leaks)"
>
>    versus
>
>"Average understanding of chess + a perfect search algorithm (hardly any leak)"
>
>IMO a search-depth of 11-13 plies plus decent human-alike or anti-human chess
>knowledge is sufficient to beat GM's to 2600.
>
>Maybe 14-16 plies is enough to beat GM's to 2700 and maybe 17-20 plies is
>enough to catch Kasparov. Who knows...
>
>But in the end the human knows how to play chess. A computer will never
>find moves like Ra1 (Fischer) or Rxd4 (Kasparov) and and and... Ok, maybe
>in 100 years :-) Just try this (old and simple) one.

I think that Fritz found Rxd4 of kasparov against topalov and Junior with
contempt=0(the default value is 15) also could find it.

I am also not sure if Rxd4 is the best objective move because topalov could
defend by Kb6 and I found that computers can find this move after a long time.

Uri



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