Author: Vincent Diepeveen
Date: 05:02:22 01/13/00
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On January 12, 2000 at 23:49:43, blass uri wrote: >On January 12, 2000 at 18:59:49, Vincent Diepeveen wrote: ><snipped> >>Deep blue searched only 11 ply here, so we must assume it didn't >>see the manoeuvre in which the white passed pawns nearly queen (and >>searching deeper you do see them queen, causing black to prevent that >>and give up another pawn). > >We do not must assume nothing because we do not know exacrly the extensions of >deeper blue Yes we do know the extensions exactly. Forced moves are first 8 ply of search seen deeper, but not the last 4 ply of search. Further we can assume the usual extensions (recaptures, check), and before the qsearch sometimes 1 ply extra if a pattern is there. >Uri
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