Author: Robert Hyatt
Date: 06:52:06 04/30/00
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On April 30, 2000 at 04:20:40, Dann Corbit wrote: >Instead of calculation of population count for a board, why not just use a >counter to keep track of captures and decrement it when a capture is unmade? > >Would this be more or less efficient? > >Has it been tried already? I do this for material. But I can't easily do it for other things. IE "How many pawns are on this file?" Or any of several dozen other questions. If these are kept incrementally updated, before long the update becomes slower than the occasional popcnt().
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