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Subject: Re: Programming Issue: When & how should the engine claim a draw or res

Author: Sune Fischer

Date: 15:07:52 11/30/03

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On November 30, 2003 at 16:37:17, Dieter Buerssner wrote:

>PS. I don't want to say, that those rules are particually suited for engine
>matches. But that is another problem.

Yes, it seems to me this is a silly technical rule with no real purpose other
than to cause trouble.

What do you think would be the best way for a (WB-)engine to handle it?

If the engine makes the drawing move after claiming the draw, then obviously,
the engine will be sending a move _after_ the game is over.

I think such move might not be recognized by WB, but there is no other way for
the engine to send the move. The pgn is going to appear buggy because the
drawing move is not recorded.

In games against a human, one could perhaps have a popup box with "3-fold
repetition on Rb8+", but such a box can't be used in automated matches.

I wonder how the servers handle it, I suspect they accept a draw claim from both
sides before and after the move, ie. simply ignoring the rule.

-S.



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