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Subject: Re: A test position from kramnik-kasparov

Author: James Robertson

Date: 15:58:10 10/24/00

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On October 24, 2000 at 18:25:31, Uri Blass wrote:

>On October 24, 2000 at 16:58:29, Uri Blass wrote:
>
>>[D]1r4k1/p3QNpp/1p3n2/8/8/5P2/Pq3P1P/4R1K1 w - - 0 1
>>
><snipped>
>>I am interesting to know how much time do chess programs need to find Qe6
>>that is probably a winning move because of the line Qe6 h5 Ng5+ Kh8 Qf5 and
>>black is in real trouble(for example Qxa2 Re7).
>
>I can add that Qf5 in this line is another hard move to find and programs may
>need many minutes to find.
>
>Here is the position when you need to find Qf5
>
>[D]1r5k/p5p1/1p2Qn2/6Np/8/5P2/Pq3P1P/4R1K1 w - - 0 1
>
>Fritz6light can find it in less than a minute on my pentiumIII450 but Hiarcs7.32
>cannot see it in 30 minutes.
>
>Crafty17.11 also have problems in this position and needs more than 20 minutes
>to see Qf5.
>
>Crafty at depth 13 considers Qf5 for many minutes so I guess it is going to find
>it.
>
>I used Crafty17.11 as an engine for Hiarcs
>The programs got the all game as the data and not only the position before Qf5.
>
>Uri

Insomniac 0.69a needs 50 seconds on my P933 to find Qf5 (depth 11). I have it
working on Qe6 now, but I suspect this may be too much to ask....

James



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