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Subject: Re: Shredder5 did!

Author: James T. Walker

Date: 17:30:27 12/19/00

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On December 19, 2000 at 07:49:16, Ingo Bauer wrote:

>On December 19, 2000 at 04:30:31, Harald Faber wrote:
>
>>[D]8/6KP/2r1k3/8/p7/P7/1P5P/8 b - - 0 0
>>
>>Test your progs with and without TBs. Which prog needs how long to see that this
>>is not a draw but black wins?
>
>Shredder 5 finds the move on my Celeron 855 with 128MB Hash in a little bit more
>time then 30 Seconds. And hold it up to one hour!
>
>
>Engine: Shredder 5
>von Stefan Meyer-Kahlen
>Position:  0 0
>Permanent Brain eingeschaltet
> 16.01	 0:00 	 0.00 	1...Tc7+ 2.Kg6 (299.017) 317.7
> 17.01	 0:01 	 0.00 	1...Tc7+ 2.Kg6 (471.665) 329.3
> 18.01	 0:04 	 0.00 	1...Tc7+ 2.Kg6 Tc8 3.h4 Kd6 4.Kg7 Tc7+ 5.Kh6 Tc8 6.Kh5
>(1.335.754) 299.7
> 19.01	 0:07 	 0.00 	1...Tc7+ 2.Kg6 Tc8 3.h4 Kd6 4.Kg7 Tc7+ 5.Kh6 Tc8 6.Kh5
>(2.344.937) 305.2
> 20.01	 0:10 	 0.00 	1...Tc7+ 2.Kg6 Tc8 3.h4 Kd6 4.Kg7 Tc7+ 5.Kh6 Tc8 6.Kh5
>(3.440.932) 313.8
> 21.01	 0:22 	 0.00 	1...Tc7+ 2.Kg6 Tc8 3.h4 Kd6 4.Kg7 Tc7+ 5.Kh6 Tc8 6.Kh5 Th8
>7.Kh6 Ta8 8.Kg7 Ta7+ 9.Kh6 Ta8 10.Kg7 (6.656.088) 298.5
> 22.01	 0:33 	+0.25++ 	1...Tc7+ 2.Kg6 Tc8 3.h4 Th8 4.h5 Ke7 5.Kg7 (9.691.942)
>291.1
> 22.01	 0:34 	+0.75++ 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.h4 (10.069.301)
>291.9
> 22.01	 0:35 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (10.444.390)
>293.4
> 23.01	 0:43 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (12.352.548)
>281.2
> 24.01	 1:00 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (16.212.361)
>265.9
> 25.01	 1:55 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (27.271.538)
>236.7
> 26.01	 3:01 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (40.033.508)
>221.0
> 27.01	 5:58 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 (69.450.247)
>193.4
> 28.01	 9:42 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 Ke8 6.Kxh8 Kf7
>7.h4 Kf8 8.b4 axb3 9.a4 Kf7 10.a5 b2 (105.302.536) 180.7
> 29.01	22:52 	+0.88 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 Ke8 6.Kxh8 Kf7
>7.h4 Kf8 8.b4 axb3 9.a4 Kf7 10.a5 b2 (205.568.852) 149.7
> 30.01	44:58 	+0.91 	1...Tc7+ 2.Kg6 Tc8 3.Kg7 Th8 4.Kg6 Ke7 5.Kg7 Ke8 6.Kg6
>(407.767.436) 151.1

I find this very interesting since Shredder 5 on my Athlon 900/256M (128M hash)
will not find a positive score even after 5-1/2 minutes.  But it is probing the
tablebases.  Can you try this again with a clean start (right after boot up)?
Jim

• Re: Shredder5 did! Mogens Larsen 18:23:33 12/19/00
  • Re: Shredder5 did! Uri Blass 23:51:20 12/19/00
    • Re: Shredder5 did! Uri Blass 00:07:21 12/20/00
      • Re: Shredder5 did is wrong. In fact it didnt!!!!!! Ingo Bauer 12:11:48 12/20/00
        • Re: Shredder5 did is wrong. In fact it didnt!!!!!! Mogens Larsen 15:30:57 12/20/00

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