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Subject: Re: on understanding...

Author: Ed Schröder

Date: 00:15:01 08/17/99

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On August 17, 1999 at 02:14:37, Will Singleton wrote:

>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.
>>
>>5rk1/5p2/pr2pPp1/Pp1pP1Pp/1PpP3P/K1P5/8/8 w - - am a5b6;
>>
>>Ed Schroder
>>
>>>Will
>
>You make good points, and I cannot argue with them.  I will say, however, that
>we cannot fairly compare a human's approach to chess with the prevailing
>computer approach.  The human does what is best for him, and the computer does
>likewise.  The human is better at patterns and intuition, the computer
>calculates better.  So, in the future, the computer's approach will prove more
>effective.

I agree.

>So, I agree that a computer cannot match the GM's understanding of the game,
>from our perspective, and may not do so until neural nets or other approaches
>become feasible.  But from the computer's perspective, the GM will soon be
>unable to match *it's* understanding of the game.  This isn't just semantics.

Right, computers do it in another way.

Ed Schroder

>Will



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