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Subject: Re: One (small) example where the Shredder selectivity fails

Author: Robin Smith

Date: 13:28:58 06/04/05

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On June 04, 2005 at 13:07:29, Ernest Bonnem wrote:

>[D]6n1/3p4/8/1P1Pk1n1/4P3/B5K1/8/8 w - -
>
>White to win
>
>Here Shredder 9 UCI cannot find the "simple"  b6! even at depth 36/61 (searching
>more than 2 hours on my computer)
>
>b6 is found almost immediately by all other programs I tried (Fritz 7, Tiger,
>Pharaon,...)
>
>Has anybody an explanation ?

Very interesting. As Rémi Coulom pointed out it is likely zugzwang related,
since the main line does reach a zugzwang position. What is the source of this
position?

-Robin

• Source... Re: One (small) example where the Shredder selectivity fails Ernest Bonnem 10:17:02 06/05/05

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