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Subject: Re: Hard study for computer

Author: Uri Blass

Date: 14:13:19 10/01/03

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On October 01, 2003 at 15:40:22, Jaco van Tonder wrote:

>The solution to the position starts with 1) Nc6+ (as a clue) for those still
>struggling. If you want more info, read on.....
>
>I've tried all the main strong engines I've got (Ruffian 1.0.1, Shredder 6
>Paderborn and The King 2.23 amongst others) and all of them were pretty much
>nowhere after 30 minutes of thought per engine. The engine that found the key
>move (with evals going from the -4.00 to 0.00 within 6 seconds!) was Aristarch
>4.21!!! Even after entering the key move for some of the other engines, they
>still struggle. I'm not sure why was able to Aristarch spot it so quickly.....

Aristarch does not considering underpromotions and I believe that it is the
reason that it can find it so fast.

Uri



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