Computer Chess Club Archives




Subject: Re: Hash table efficiency

Author: Robert Hyatt

Date: 07:34:59 12/06/00

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On December 06, 2000 at 05:30:20, David Rasmussen wrote:

>On December 05, 2000 at 15:46:15, Robert Hyatt wrote:
>>On December 05, 2000 at 15:21:02, Miguel A. Ballicora wrote:
>>Try this position:
>>/k/3p/p2P1p/P2P1P///K/ w
>>The solution is Kb1, and should take between 18 plies and maybe 21-22 plies
>>to find.  If you can't get to 18 instantly, your hashing is not working right.
>>For comparison, on a 550mhz single cpu machine, Crafty can reach depth 34 in
>>8.2 seconds...
>I assume you mean this position from Fine's endgame book.
>[D]8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1

Correct.  That is the position I posted...

I generally give FEN without the "fluff" since Crafty will read it just

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