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Subject: Re: Shredder 4

Author: Peter McKenzie

Date: 01:50:45 10/29/99

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On October 29, 1999 at 03:18:48, Stefan Meyer-Kahlen wrote:

>On October 28, 1999 at 17:02:22, Helmut Conrady wrote:
>
>>On October 28, 1999 at 15:13:30, Steve Coladonato wrote:
>>
>>>From the description at the computerchess.com site Stefan Mayer-Kahlen has added
>>>some nice features to the program.  I don't believe the engine itself has
>>>changed.  Just the interface and functionality.
>>
>>I am testing the shredder 4 beta. It has a lot of interesting new options and
>>features. I do not think it is necessary to build a complete new engine, which
>>has won the Computer chess wordchampionchip. Of course it is a complete other
>>engine than shredder 3.
>>
>>Helmut
>
>The engine is almost the same as the WCCC engine in Paderborn and is really
>different to Shredder3. Shredder4 will be out mid of November.
>
>Stefan

Hi Stefan,
Congratulations again on your success at Paderborn.  I am reminded of Ernst
Heinz's comment at the players meeting when he said he thought you were seeded
much too low!

Would it be possible for you to give a brief overview of the approach you are
taking in your engine?  (Without giving away any important secrets of course)
From memory your engine is using null-move pruning, and isn't what could be
called a fast searcher.

Do you think you are doing anything significantly different from the other
engines?  Or is your success mainly due to a very good engineering and tuning?

cheers,
Peter



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