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Subject: Re: change of opinion

Author: Steffen Jakob

Date: 08:22:03 12/09/03

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On December 09, 2003 at 11:19:39, Sune Fischer wrote:

>On December 09, 2003 at 10:18:44, K. Burcham wrote:
>
>>
>>the program Jonny did not know that a 3 fold repetition is a draw.
>>
>>GCP
>>
>>Oh I see. this changes my opinion.
>>so we can say that shredder nor jonny could see the draw.
>>for what ever reason, code, bug, neither program could see draw, maybe in eval
>>but neither program said "draw by repetition". maybe ok to play on. not sure.
>>
>>kburcham
>
>This is getting technical, more so than it has to be, I will try and explain.
>
>Chessabase, UCI and WB engines are different concerning a some minor details.
>
>In WB the engine has to do everything by itself, read the book, claim the draw
>etc.
>
>In UCI there is no way the engine can claim a draw, there is no protocol command
>available for the engine to do this.
>
>This is all documented and normal behavior, there is nothing here indicating
>Jonny didn't behave according to protocol or was lacking in some way.

Jonny is not a UCI engine. It is a winboard engine and used the winboard adapter
from Chessbase.

>But all that tech stuff aside on who knew what and why, the crucial point
>remains that Jonny managed to bring about a draw on the board and the operator
>was allowed to overrule it only to face certain defeat.

Greetings,
Steffen.



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