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Subject: Re: Mate in 67 ! and other true confessions.

Author: Uri Blass

Date: 20:55:46 12/22/00

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On December 22, 2000 at 20:06:11, James T. Walker wrote:

>I recently made the statement that Shredder was not a "Blitzer".  I'm issuing a
>recall of that statement.  I just finished a 20 game match of Gambit Shredder vs
>Chess Tiger 13 (G/5minutes).  Gambit Shredder won +8 -6 =6  (11-9).  That does
>not necessarily mean Gambit Shredder is better than Chess Tiger but it does
>indicate it can play with the Tiger.  Below is game 17 of the match in which
>Gambit Shredder announced "Mate in 67".  Of course it's a tablebase win in a
>very difficult KBBKN endgame.

The question is if it is not a draw by the 50 move rule against the right
defence.

There are 2 questions:
1)Can shredder win against itself(does it capture the knight early enough to
avoid a draw)?

2)Is there a win for white against the right defence?

The 2 questions are different because the best move for the side with the
bishops may be not the shortest way to force mate when you consider the 50 move
rule.

I guess that you can answer only 1 because I do not know of a program that use
the right KBB vs KN tablebases of distance to conversion and not distance to
mate.

Uri



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