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Subject: Re: Tablebases Again

Author: blass uri

Date: 01:16:31 10/11/98

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On October 10, 1998 at 21:25:25, James T. Walker wrote:

>I tested Crafty15.20 tonight and it solves the problem instantly.  I also tested
>the following computers/programs. ALL solved the mate instantly.
>Fritz5.0,Rebel Decade 2.0,Rex2.3,Fidelity Mach3,Fidelity Mach IV,M-Chess Pro 3.5
>M-Chess Pro 5.0,Genius 4.0, Genius 2.0,Kasparov's Gambit,CM4000,CM5000,CM5500
>and my handheld Mephisto Marco Polo(USCF about 1800).

The rating is not important
The rating of Junior5 is near 2500 fide elo based on games against humans

>I do not have a single
>program/computer that does not solve this instantly.  Maybe the creator of JR.
>should take a look at this problem.

crafty has no problem with positions when one side has a pawn but I read that it
has problems with positions like KBvKB when there is a mate in 1 it cannot see
something like
white Kh1 Bg1
Black Kh3 Bf1
I think in a similiar position crafty could not find a mate in 1.

In practical games Junior did not suffer from this problem.

Uri





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