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Subject: Re: What does your engine see???

Author: Robert Hyatt

Date: 14:53:15 08/23/04

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On August 23, 2004 at 13:53:40, David Dahlem wrote:

>On August 23, 2004 at 12:29:44, Robert Hyatt wrote:
>
>>On August 23, 2004 at 00:34:42, Stuart Cracraft wrote:
>>
>>>On August 23, 2004 at 00:28:10, Stuart Cracraft wrote:
>>>
>>>[D]6k1/1q3ppp/r7/1rp1P1n1/3p1P2/1P1R2PP/2Q4K/B4R2 b - f3 0 1
>>>
>>>And it holds at the 11th ply
>>>
>>>NULLMV TT(524288) Alpha=-282 Beta=218 Maxdepth=9999999 MaxTime=9999
>>> 1/16  g5f3  0.01   31      409 g5f3 f1f3
>>> 2/16  g5f3  0.01   31     1539 g5f3 f1f3 b7f3
>>> 3/18  h2h1  0.04   46     6555 a6a1 f1a1 g5f3 d3f3
>>> 4/22  f1f3  0.10   46    19783 a6a1 f1a1 g5f3 d3f3 b7f3
>>> 5/22  a6a1  0.30   44    68423 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3
>>> 6/22  a6a1  0.61   44   165863 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3 b5b3
>>> 7/27  a6a1  2.33   44   613855 a6a1 f1a1 g5f3 d3f3 b7f3 a1a3 b5b3
>>> 8/35  g5h3 19.96   66  4712723 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6h6 h2g3 b7h1
>>> 9/37  g5h3 43.14   66  9160224 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6h6 h2g3 b7h1
>>>a1d4
>>>10/39> g5h3 78.28  316 14437157 g5h3 e5e6 a6e6 g3g4 h3f4 f1f4 e6e1 a1b2 b7h1 h2g
>>>3 e1e8
>>>10/49  g5h3 400.73 1993 77426285 g5h3 d3f3 a6h6 h2g2 g7g5 c2f5 g5f4 b3b4 b5b4
>>>11/51  g5h3 748.93 1996 141781903 g5h3 d3f3 a6h6 h2g2 g7g5 c2f5 g5f4 g3f4 b5b4 a
>>>1b2
>>
>>
>>You may have a bug. Nh3 doesn't win.  It looks good enough to draw, but after
>>Kxh3 black won't be winning this...
>
>I think i will let Pro Deo play black from this position against some strong
>engines at long time control. The first engine to play White will be Crafty
>19.15. :-)
>
>Regards
>Dave

That's fine.  But Stuart was reporting a mate score.  There is no mate here
after Nxh3, at least not for a _long_ time...





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