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Subject: Re: Search Speed vs. Chess Knowledge

Author: Dave Gomboc

Date: 00:20:26 05/25/99

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On May 25, 1999 at 02:20:40, Jeremiah Penery wrote:

>On May 24, 1999 at 19:50:06, Francis Monkman wrote:
>>
>>On May 24, 1999 at 19:06:05, Will Singleton wrote:
>>
>>>I think it's extremely difficult for a computer to do GM-type positional
>>>assessment.  The human brain seems better setup to do that type of
>>>pattern-matching, selective recall, etc.  At Deep-Blue type depths however,
>>>short-term positional understanding becomes less important, since small (or
>>>large) tactical maneuvers can be found, resulting in either material gain or a
>>>simple positional betterment.
>>
>>It's also worth mentioning that chess strategy in the 20th c. has focussed more
>>on the dynamics of chess, hidden potential, even 'resonant' and 'unresonant'
>>positions. Watching parallel searches, one can often deduce more about the
>>dynamics of a position from the relative behaviour of the lines, than from the
>>actual move chosen. Current searches obviously reveal information about the
>>dynamics of the position, but it seems to be wasted.
>
>I'm not sure I completely understand what this is saying.  Can you try to
>clarify a bit for me?  Thanks. :)
>
>>>At a certain depth, the GM can't compete.  We haven't reached that yet, but
>>>theortically it's true.  So, yes, I'd say that due to the inherent difficulties
>>>of the linear computer-model, the only way to beat a GM in the future is to go
>>>deeper, bean-counting style.
>
>I think this will eventually work.  As you said: "At a certain depth, the GM
>can't compete."  However, I think there are alternative ways of reaching this
>goal.  Perhaps they just haven't been found yet.
>
>>I've just been playing through several games by Mihai Suba (author of the
>>*excellent* "Dynamic Chess Strategy"), and I've just been following a forced
>>line 19-ply deep from start of attack to resignation. And even then viewers were
>>surprised, as a clear advantage wasn't seen for another 8-ply or so. In terms
>>of sheer depth, searches have a long way to go! (I sometimes wonder, in
>>*clearly forced* sequences, why programmers don't just go straight to the
>>'end of the line', and start the search from there...)
>
>>BTW There was another excellent example of a forced win in another of Suba's
>>games -- only CSTal II found the line, and immediately! Congratulations, Will,
>>another victory for the 'intelligent approach'.
>
>Could you post these positions?  I'd like to take a look at them, if possible.
>:)
>
>>A final quote from Suba: "While dynamism refers to the present state of activity
>>in someone's position, potential shows the possible future activity. I know it's
>>more nebulous than material count, pawn structure or open lines, but we must
>>be aware of it, because the future of chess strategy depends on it, and the
>>chess-race, human-computer, also depends on it." (1991)
>
>This is quite interesting...Before I ever start writing a chess program
>(Someday! :), I'll have to take a look at this book...

If you are a chess player, consider reading it immediately. :-)  Just a couple
of months ago, a GM told me that it is the most important book written on chess
in over 50 years.

Dave



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