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

Author: Stuart Cracraft

Date: 07:12:38 08/23/04

[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
>
>How do you continue after Nxh3 Kxh3?
>
>Note that Movei liked Nxh3 at small depth but later changed it's mind and you
>need to give me a concincing line for black after Nxh3 Kxh3
>
>Movei can see only near draw score after these moves.
>

Uri, I'm surprised at you and Movei. I assume the following will convince
you (after Nxh3, Kxh3):

NULLMV TT(524288) Alpha=-2291 Beta=-1791 Maxdepth=9999999 MaxTime=9999
 1/ 9  a6h6  0.00 -2031      139 a6h6 h3g4
 2/15  a6h6  0.02 -2025     1708 a6h6 h3g4 b7e4
 3/18  h3h2  0.05 -2025     7014 a6h6 h3g4 b7e4 d3f3
 4/24  h3h2  0.24 -2031    44609 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3
 5/35  a6h6  0.56 -2031   103353 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3
 6/35  a6h6  2.66 -2031   553547 a6h6 h3g4 h6g6 g4f5 b7c8 f5e4 c8h3 a1d4
 7/35  a6h6  5.24 -2024  1076578 a6h6 h3g4 b7c6 c2c4 b5b4 c4c2 c6e4
 8/35> a6h6  7.01 -1774  1435626 a6h6 h3g4 b5b6 a1d4 c5d4 d3d4 b6b3
 8/37 Ma6h6  7.92 9999990  1656130 a6h6 h3g4 f7f5 g4f5 b7c8 e5e6 c8e6 f5g5 e6g6

nps=209187 ha=27.00% q=64.0% bc=79% br=NaN% mp=161<>219
pawnx=0 recapx=0 qcheckx=90065 checkx=32609 futilx=0 qfutilx=0

I submit that this is a good position for you to debug an obvious
bug in movei!!! It should be able to see this mate as it is very simple.

Re: What does your engine see??? Uri Blass 07:19:54 08/23/04
- Re: What does your engine see??? Stuart Cracraft 09:20:08 08/24/04
- Re: What does your engine see??? Alessandro Scotti 08:00:50 08/23/04
  - Re: What does your engine see??? Stan Arts 08:41:57 08/23/04
    - Re: What does your engine see??? Alessandro Scotti 09:04:00 08/23/04
      - Re: What does your engine see??? Robert Hyatt 09:44:32 08/23/04
        
        Re: What does your engine see??? Uri Blass 09:50:39 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 10:17:50 08/23/04
        
        Re: What does your engine see??? Vincent Lejeune 12:00:23 08/23/04
        
        Re: What does your engine see??? Drexel,Michael 12:34:57 08/23/04
        
        Re: What does your engine see??? Alessandro Scotti 10:46:34 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 11:33:03 08/23/04
        
        Re: What does your engine see??? Vincent Lejeune 12:26:05 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 14:40:15 08/23/04
        
        Re: What does your engine see??? Vincent Lejeune 16:23:02 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 20:49:45 08/23/04
        
        Re: What does your engine see??? Vincent Lejeune 02:43:49 08/24/04
        
        Re: What does your engine see??? Alessandro Scotti 11:53:22 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 14:52:11 08/23/04
        
        Re: What does your engine see??? Alessandro Scotti 15:08:31 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 15:16:22 08/23/04
        
        Re: What does your engine see??? Alessandro Scotti 00:02:12 08/24/04
        
        Re: What does your engine see??? Robert Hyatt 07:37:03 08/24/04
        
        Re: What does your engine see??? Drexel,Michael 10:45:30 08/23/04
        
        Re: What does your engine see??? Robert Hyatt 11:29:46 08/23/04
        
        Re: What does your engine see??? Uri Blass 10:33:44 08/23/04

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