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Subject: Re: Aha!

Author: Vincent Lejeune

Date: 11:16:13 09/08/01

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On September 08, 2001 at 13:39:03, Bruce Moreland wrote:

>On September 08, 2001 at 13:36:33, Bruce Moreland wrote:
>
>>On September 08, 2001 at 07:10:41, Gian-Carlo Pascutto wrote:
>>
>>[D]3k4/2p1p1p1/p1P1P1Pp/P6P/4K3/8/8/8 w - - 0 1
>
>This isn't a coordinate squares problem.  I got this one confused with the
>coordinate squares problem I mentioned, which I now don't think resulted in a
>draw by 50-move rule, but rather by repetition.
>

If white think he have an advantage , he can avoid repetition by walking his
king all over the board until 50 moves ...


>Thank you for finding the post.
>
>bruce
>
>>
>>>Mine completes a 101 ply search here in 1.9 seconds, returning a draw by the
>>>50-move rule.
>>>
>>>It actually made it through 161 plies in 3.0 seconds, but then something broke.
>>>
>>>I had to relax my normal 40-ply maximum for this, so perhaps I need to increase
>>>another compile-time constant.
>>>
>>>Here is the PV at ply 101.
>>>
>>>PV 00:00:01.875 101      0 [] Kd5 Ke8 Ke5 Kd8 Kd4 Ke8 Kd5 Kd8 Ke5 Ke8 Kd4 Kd8
>>>Kd3 Kc8 Kc2 Kd8 Kc3 Ke8 Kb2 Kd8 Kc2 Ke8 Kc3 Kd8 Kc4 Kc8 Kb3 Kd8 Kb2 Ke8 Ka3 Kf8
>>>Kb4 Ke8 Kc4 Kd8 Kb3 Ke8 Ka2 Kd8 Kb1 Ke8 Kc1 Kd8 Kd2 Ke8 Ke3 Kd8 Kf3 Ke8 Kf4 Kd8
>>>Ke3 Kc8 Kf2 Kd8 Kg2 Ke8 Kg3 Kd8 Kf2 Ke8 Kg2 Kd8 Kh2 Ke8 Kg1 Kd8 Kf1 Ke8 Ke1 Kd8
>>>Kd1 Ke8 Kd2 Kd8 Kc1 Ke8 Kd1 Kd8 Ke2 Ke8 Kd3 Kd8 Ke4 Ke8 Kf3 Kd8 Kg3 Ke8 Kh2 Kd8
>>>Kg1 Ke8 Kf1 Kd8 Ke1 Ke8 Ke2 Kd8
>>>
>>>bruce
>>>
>>>
>>>>If someone has CCC indexed, they might be able to find it if they look for posts
>>>>by me that contain "50" or "fifty".
>>>>
>>>>bruce
>>>
>>>Perl Power :)
>>>
>>>--
>>>GCP



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