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Subject: Square-of-the-pawn

Author: Stuart Cracraft

Date: 09:57:43 01/13/98


Years ago I remember reading something where Dan and Kathe Spracklen
(remember them?) said that the addition of the square-of-the-pawn
rule-of-thumb to their program increased is strength significantly.
(I think they said a whole USCF class!)

Anyway, now that I have passed pawns stored in my pawn transposition
table, it would be simple to use them in some calculation to get a
square-of-the-pawn assessment.

How have you implemented square-of-the-pawn? Are there any strange
implementation issues or things to watch for? What kind of strength
improvement did your program get and how did you determine this
strength improvement.

Thanks ahead!

Stuart



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