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Subject: Re: Theory: Deeper Search creating worse performance due to PE

Author: Charles Roberson

Date: 15:25:49 01/04/06

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  Here's an anlogy that seems to work.

  You have a large group of swimmers jumping into a lake at the same time to
race to someother point. Amongst that group of swimmers are two individuals that
believe they have plotted a better path to the other point. The difference
between the two swimmers is one is a stronger swimmer (the 2nd strongest in the
field (deeper search for chess)) while the other is about average for the field.
Each wanted to use their "better" navigational skills to gain an edge of the
opponents (similar to the PE in chess).

  Both swimmers, at the start, are in the middle of a dense pack. The weaker
swimmer can not break free of the pack and is thus forced to follow the common
path. However, the stronger swimmer can swim over, under and around to break
away from the pack. However, unbeknownst to the two swimmers their more
efficient path is less efficient due to currents or something. Thus, the weaker
swimmer (speed/depth of search) finishes before the stronger swimmer.



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