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Subject: Re: claiming a 3-fold repetition

Author: William H Rogers

Date: 13:27:47 12/01/03

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On December 01, 2003 at 16:20:54, Robert Hyatt wrote:

>On December 01, 2003 at 16:00:54, William H Rogers wrote:
>
>>I simply do not understand the problem. I thought that the three fold move was
>>used as an option for a side that was losing by enabling it to claim a draw.
>>I have never heard of it being a mandatory draw.
>>Bill
>
>
>It is not mandatory.  If either (a) the position before my move has occurred
>three times with me to move, or (b) the position after my move has occurred
>three times with my opponent to move, I can claim a 3-fold repetition draw, if
>I choose to, or I can move.  Of course, if I move with the intent of not wanting
>a repetition draw, I had better move something that creates a position that has
>not been seen twice before or my opponent will have the option of claiming the
>draw as well.

That is exactly what I thought the rules said. My own chess program has made the
three moves simply because it could not search deep enough. Once the opponent
made a different move then it got out of its rut. I did put in some penalty
points to keep it from repeating its last move.
Bill




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