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Subject: Re: Question for Robert Hyatt about Deep Blue moves

Author: Jeremiah Penery

Date: 14:22:57 10/11/02

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On October 11, 2002 at 15:14:38, Vincent Diepeveen wrote:

>On October 11, 2002 at 13:34:10, Jeremiah Penery wrote:
>
>>On October 11, 2002 at 13:10:23, Vincent Diepeveen wrote:
>>
>>>On October 11, 2002 at 10:44:37, Jeremiah Penery wrote:
>>>
>>>>It becomes a repetition draw.  DT/DT2 could not recognize repetition draw in the
>>>>hardware, so it's no surprise at all they couldn't see this.

>>>Repetition has nothing to do with it at all.
>>
>>Try turning off repetition detection with DIEP on this position.  I'm interested
>>to see how much it will change the output. There are a lot of repetition lines
>>that can come from this.  For example:
>>
>>1. ...h3 2. Rxh6 a3 3. Rxh3 Ra4 4. Rh8+ Ke7 5. Rh7+ Kd8 6. Rd7+ Ke8, etc.
>>
>>If you don't detect repetition, you might think white is winning in this line.
>>If this gets backed up to the root, it could be enough to make the program think
>>h3 is a bad move.
>
>I posted the line a thread under this. If i turn off nullmove and
>singular extensions and turn off repetition i still find h3 here at 13 ply.

I asked you to run it with repetition detection off - only.  Can you do just
that and post the output, rather than giving me all this other garbage?  I want
to see what your program says, not what you say.



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