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Subject: Re: Number of positions in chess

Author: Greg Simpson

Date: 12:16:08 01/02/06

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So is it possible to store the results for 2^157 positions?  For win/lose/draw
we need 1.58 bits per position.  Assuming we need 6000 Daltons per bit for
storage and a read/write mechanism (the weight of about 500 carbon atoms), or
10^20 bits per gram, I come up with a little less that half the mass of Mars.
This might be theoretically doable sometime in the future, but no one would ever
bother doing it.  I'm ignoring how long it would take to actually calculate the
proper values and store them, but you might have to hurry to get it done before
the Sun becomes a red giant.



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