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Subject: Re: WAC 141 blowup

Author: Andrew Platt

Date: 12:07:31 09/01/04

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On September 01, 2004 at 14:46:33, Uri Blass wrote:

>It seems very strange for me that mate extension do not help to find it faster
>
>2 questions for both of you:
>1)At what depth your engine search first the line Qxf4 Bxf4 2.Rxh5?
>2)At what depth it can see first that 2.Rxh5 threats mate and decide to extend
>it?
>
>Maybe your null move simply does not return mate after these moves.

This is it! It was returning beta at certain points rather than the score so the
mate threats were getting lost. It now finds it at ply 10 in just under a
minute.

Thanks!

Andy.



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