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Subject: Re: Ruffian 1.0.0 can't mate with KR v K??

Author: Bernhard Bauer

Date: 06:21:32 09/27/02

Go up one level in this thread


On September 27, 2002 at 07:46:20, Uri Blass wrote:

>On September 27, 2002 at 07:07:43, Bernhard Bauer wrote:
>
>>On September 26, 2002 at 10:00:41, Jonas Cohonas wrote:
>>
>>>On September 26, 2002 at 08:34:43, Bernhard Bauer wrote:
>>>
>>>>On September 26, 2002 at 08:01:26, Jonas Cohonas wrote:
>>>>
>>>>Ruffiah seams to be a modern engine. It uses the null-move heuristic heavily.
>>>>Since the endgame is all about zugzwang it is no surprise that Ruffian will fail
>>>>to to properly in that area. Tablebases resolve this partially.
>>>>So why don't you use them??
>>>>Showing bad results when you criple the engine dosn't say anything about the
>>>>engine, it says something about the user.
>>>>Regards
>>>>Bernhard
>>>
>>>As far as i know the tb's are not part of the engine, so i don't see how that
>>>not using tb's could possibly be described as "cripling" the _engine_...
>>>
>>>I chose not to use tb's since cm8 has no access to them and i wanted it to be an
>>>even match...
>>>
>>>Regards
>>>Jonas
>>
>>Hi Jonas,
>>by this logic the book is not part of the engine. Since the books are different
>>I assume you choose to play without books because you wanted an even match.
>>
>>Up to now the engines need assistance by book, book learning, position learning
>>and tablebases. These things may be regarded as the arms and the legs of an
>>engine. Cutting them apart is cripling the engine.
>>
>>Think about playing the Muzio without a book!
>>
>>Kind regards
>>Bernhard
>
>Computers have limited memory so people have the right
>not to install tablesbases or part of the tablebases.
>
>The problem does not seem to be lack of tablebases because Ruffian
>in analysis mode under winboard can see the mate without tablebases.
>
>I have no idea what is the problem.
>
>Uri

Regarding the KRK endgame neither disk space nor memory is an issue.
BTW I'm not questioning peoples rights.
I use arena together with ruffian (book and tablebases) and I see no problems.
Regards
Bernhard



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