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Subject: Re: Clarification questions for Sandro Necchi re Shredder 9 Paderborn

Author: Uri Blass

Date: 11:25:13 02/27/05

Go up one level in this thread


On February 27, 2005 at 14:07:35, Stephen A. Boak wrote:

>On February 27, 2005 at 06:57:54, Sandro Necchi wrote:
>
>>On February 27, 2005 at 06:24:35, Rex wrote:
>>
>>>On February 27, 2005 at 06:09:15, Sandro Necchi wrote:
>>>
>>>>On February 27, 2005 at 06:00:06, Kurt Utzinger wrote:
>>>>
>>>>>On February 27, 2005 at 05:54:35, Rex wrote:
>>>>>
>>>>>>With all that was learned out of IPCCC I sure would like a "free" update.
>>>>>>
>>>>>>Enjoy
>>>>>
>>>>>      I am almost sure that there will be no such update.
>>>>>      At Paderborn an experimental version of Shredder 9
>>>>>      is participating and nobody knows about the real
>>>>>      playing strength of it.
>>>>>      Kurt
>>>>
>>>>
>>>>No, we have used the same 9.0 version.
>>>>
>>>>We only used a modified book for the tournament...an intermediate version for
>>>>the next WCCC or match against Hydra hoping someone can arrange it.
>>>>
>>>>Sandro
>>>
>>>
>>>Nice info Sandro,
>>>
>>>Everyone assumed that there was some "Special" Shredder Version being played.
>>
>>No, we did not use a new version as we agreed the 9.0 was more reliable.
>>
>>>Nice to see Shredder 9 being used.  Although there are some concerns that some
>>>reviewing the games could not duplicate IPCCC Shredder moves.
>>
>>This is because it is necessary to modify the book to play tournaments. Still
>>they were able to prepare a trap to us (Diep).
>>>
>>>Were there any special settings Shredder had used other than default?  If so
>>>could they be posted?
>>
>>No, std. setting with a different harware.
>>
>>I think people can be pround they can use/play with the strongest Shredder on
>>their computers.
>>
>>Sandro
>
>Hi Sandro,
>
>Excellent job done by you & Stefan in Paderborn!
>
>In your several postings, you indicate Shredder 9 (not an experimental version)
>was used at Paderborn with standard settings, since it was agreed most stable.
>
>Yet you also indicate the Shredder 9, as used, was 'buggy', since certain
>routines regardig piece exchanges and sacrifices were disabled accidentally.

No

He only said that shredder that played in WCCC and shredder that played the
match against hydra had that bug.

>
>Are you saying that my recently purchased and downloaded Shredder UCI version
>has those 'bugs' in it?

No
>
>Are you saying that my purchased S9 version is not as strong as it could be, due
>to a bug?

No
>
>Are you saying that my S9 home version, if used on a quad processor as in
>Paderborn will play the same moves, generally speaking, as Shredder vs Hydra in
>that Tournament?

No

programs that use more than one processors are not deterministic.

>
>Does that mean a free upgrade is forthcoming, to fix the bug?

No
The bug is only in something that was never commercial.

Uri



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