Author: Walter Faxon
Date: 15:07:55 07/30/04
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On July 30, 2004 at 06:47:39, Gerd Isenberg wrote: >On July 29, 2004 at 23:18:53, Walter Faxon wrote: [ snipped ] >>Will this detect when two like pieces have "traded places" in the repeated >>position? > >Good point. > >I don't see how the "New Approach" handles "traded places" as well, because the >list_of_moves doesn't contain piece information but only from/to squares. > >So occasionally the "New Appoach" may miss some repetitions, where rooks or >knights have traded places. Whether this is practically relevant is another >question. > >Gerd And multi-queen endings (like from a Q+P ending). It's certainly OK if you don't catch all repetitions in quiescence search -- some programs don't check for them at all in QS -- but only there, and only if you know that you indeed might be missing some. </Pedantic off> -- Walter
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