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Subject: Re: Yet Another Null move question...

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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