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Subject: Re: ChessPartner 5.3 and UCI engines

Author: Lex Loep

Date: 06:44:16 01/06/05

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On January 06, 2005 at 07:24:52, enrico carrisco wrote:

>On January 06, 2005 at 07:18:03, Lex Loep wrote:
>
>>On January 06, 2005 at 05:31:08, enrico carrisco wrote:
>>
>>>I haven't played with ChessPartner since 5.1 or 5.2 -- perhaps I'm missing an
>>>important setting.  However...
>>>
>>>When connected to ICC and trying to play with multiple UCI engines, ChessPartner
>>>5.3 appears to lose track of who's turn it is.  As I tinkered more, I noticed
>>>that this problem disappeared after removing the TIMESTAMP client...  This does
>>>not appear to be the case when using native engines, however.  (I couldn't
>>>re-create this situation with LCHESS loaded...)
>>>
>>>Lastly, I doubt it makes any difference, but this is with the evaluation version
>>>of ChessPartner 5.3.
>>>
>>>Any help would be appreciated -- thank you.
>>
>>
>>There is currently a possible bug in ICC under investigation, is that perhaps
>>what you are seeing ?
>>See this thread:
>>http://www.lokasoft.nl/forums?func=view&wid=37&forumId=1059&forumOp=viewThread&forumPostId=621#621
>>
>>Lex
>>>
>
>Thank you Lex..  One question, though.  If it were clearly an ICC bug, why can't
>I cause the same situation when using a native engine?  Whether the engine is
>native or UCI/winboard should have no bearing on how fast the bookmoves get sent
>to ICC.  It seems very odd to me that the native engine(s) aren't experiencing
>the same issue (however, I've only tested LCHESS.)



In the traces I have seen it is clearly a ICC bug. I don't know why it does not
happen with LCHESS. This could be because LCHESS book handling is a bit slower,
probably there is just a very small time window of maybe 10-20 millisecond in
which this problems shows up. In fact here in the lab I have never been able to
duplicate the problem.


>
>For the time being, selecting "None" instead of Timestamp seems to be a quick
>fix for the problem.
>

The problem seems related to the timestamp program.

I will soon release a ChessPartner update which has a option to introduce a
small delay before sending move to ICC. This is of course a workaround.

Lex


>Regards,
>
>-elc.



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