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Subject: Re: About draws and chessprograms - a chessplayer's view

Author: Miguel A. Ballicora

Date: 17:16:14 04/28/01

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On April 28, 2001 at 18:00:03, Peter Berger wrote:

>To quote you : I disagree ;-) !
>
>When I play a chessprogram I usually play it on the screen - it displays a
>chessboard . This chessboard represents the wooden one I usually use when
>playing people in real life .
>
>I expect the program to follow just the same rules that are normal for those
>games - or else it should tell me before the game starts " Hey , Peter : please
>note that I changed a few rules of chess - list following :"
>
>pete

Pete, you are absolutely right. I asked this a while ago in the winboard
forum and there is no way to do it correctly in winboard.
There should be a command like
claimdraw Nd5
where you claim the draw letting know the interface which move is the one
that does the trick.
The problem is that if you make the move first, it is NOT LEGAL to claim
a draw so the the other engine can keep playing. If you claim the draw
before moving, there was no repetition to prove it.
Since winboard believes what you send, you could claim before moving, but
I do not think it will behave correctly in ICS, FICS etc.
The problem is that there could be a race condition in these servers,
you move, claim a draw, but the other player move faster and the claim
is not valid anymore.

Regards,
Miguel




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