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Subject: Re: Draw by treefold repetition

Author: Robert Hyatt

Date: 07:10:26 03/08/06

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On March 08, 2006 at 10:04:32, Robert Hyatt wrote:

>On March 08, 2006 at 00:47:39, Pedro Castro wrote:
>
>>[D]7Q/4bk1p/p2r2p1/1p3p2/1P6/P4P2/6PP/5K2 b - - 0 41
>>
>>41. .. h5
>>42. Qh7+ Kf6
>>43. Qh8+ Kf7
>>44. Qh7+ Kf6
>>45. Qh8+ kf7
>>
>>1/2 - 1/2
>>
>>Is it correct?
>>
>>My doubt is if it is necessary to consider that in the movement 41.. h5 is a
>>possibility to eat ep and therefore a move more would be needed take treefold
>>repetition.
>>
>>In my opinion I believe that it is not necessary to consider, GUI Fritz and
>>Arena they consider this way it, but I believe that this it is an error that
>>have many engines, included mine.
>>
>>Thanks,
>>
>>Pedro
>
>
>That's not a draw yet.  The _same_ position has to be reached 3 times, with
>every piece on the same square, same castling rights, etc.  Any capture resets
>the repetition counter.

Actually it is a draw.  I thought the Qh7+ was Qxh7.  The previous h5 was
shifted over and I overlooked it...




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