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Subject: Re: claiming a 3-fold repetition

Author: Dieter Buerssner

Date: 12:59:24 12/01/03

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On December 01, 2003 at 15:49:00, Robert Hyatt wrote:

>On December 01, 2003 at 15:45:02, Daniel Clausen wrote:
>>Btw: I suggested "draw {Rcd7+}" as a possible xboard-command. That would be the
>>best IMHO.

This was suggested several times (perhaps without the parentheses, or slightly
different in other ways) in the Winboard mailing list. I guess, there is just
somebody missing, to contribute the code.

Perhaps even better would be something like

"draw Rcd7+ {3-fold repetition}"

>That won't work on ICC.  You need to send
>
>draw
>Rcd7+

XB/WB could (and should) translate it to the ICS syntax.

>in that order, which I do.  The draw command will either offer the opponent
>a draw, or if the repetition occurs after your move, the pending draw command
>will terminate the game correctly at that point, posting a 3-fold termination
>reason.

This is the proper way to do it on ICC. FICS help texts are a bit different:

---
Usage: draw [move]

  Claims an immediate draw if you are entitled to one; otherwise offers your
opponent a draw by agreement.

  If either the 50 move rule or 3 times repetition rule applies to the current
position, the draw command claims a draw.  In this case the game ends
immediately.  If you include a move in the command, the server makes the move
before checking for a draw.  This is the same as giving the move and "draw" as
separate commands, except it ensures that your opponent doesn't have a chance
to move out of the drawn position before you claim it.
---

So XB could translate it again to this syntax.

In a manually operated tournament situation, XB could pop up a box, and
translating this to: "I write Rcd7+ on the score sheet now and claim a draw by
3-fold repetition. Don't do that move on the board. Call the TD ..."

Regards,
Dieter



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