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Subject: Re: A test position for chess programs

Author: James T. Walker

Date: 16:34:43 04/11/01

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On April 11, 2001 at 15:32:49, Uri Blass wrote:

>[D]8/p4k2/1p1p1qp1/1P1P4/P5P1/7P/4Q1K1/2b5 b - - 0 1
>
>The test is to avoid Qb2
>
>Most programs have no problem to avoid Qb2 but I suspect that this mistake is
>typical for Junior(I have not the latest version and it is interesting to know
>if Junior can avoid Qb2 and how much time does it need).
>
>I played Qb2 in a tournament game today and had to agree to a draw after Qxb2
>Bxb2 g5.
>
>It was my mistake to use only about 1 minute for 39...Qb2 when
>I had about 6 minutes for moves 39-40.
>
>I thought that 39...Qb2 is winning the game.
>Unfortunately I calculated only the line 39...Qb2 40.Qxb2 Bxb2 41.Kf3
>
>Uri

Hello Uri,
Junior 6 finds Qb2 at 1:13 (d=17) on my Athlon 900 but drops it in favor of Kg7
(d=17) at 1:46.  It holds Kg7 for over 6 minutes after that.  I don't have Deep
Junior.
Jim



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