Author: David Rasmussen
Date: 03:45:24 12/22/00
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On December 22, 2000 at 06:08:30, Dann Corbit wrote: >On December 22, 2000 at 04:57:27, David Rasmussen wrote: > >>I don't see where the part about not nullmoving for the first N plies when in an >>endgame is. > >(BTW -- NULL_MOVE_DEPTH is defined as 120) >Two tests here, one for piece count, and the other for depth. Notice also the >test for in check. Seems like a bad time to skip alternatives. ;-) >He is using a fractional indicator, with 60 points = 1 ply: > >#if defined(NULL_MOVE_DEPTH) > pieces = (wtm) ? TotalWhitePieces : TotalBlackPieces; > if (do_null && !tree->in_check[ply] && pieces && (pieces > 5 || depth < 421)) > Of course, I see now. Due to large amounts of moronity (there's a lot of it about, you know), I didn't realize what consequences the "depth < 421" had.
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