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Subject: Re: Shredder8's KRPKR usage (appendix)

Author: Kurt Utzinger

Date: 11:45:23 09/11/04

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On September 11, 2004 at 14:28:08, Kurt Utzinger wrote:

>On September 11, 2004 at 13:53:55, Ernst Walet wrote:
>
>>On September 11, 2004 at 13:50:33, Kurt Utzinger wrote:
>>
>>>On September 11, 2004 at 13:34:46, Ernst Walet wrote:
>>>
>>>>Hi all,
>>>>
>>>>Can any one confirm that Shredder8 doesn't use krpkr tablebases?
>>>>
>>>>[D]4k3/8/8/4r3/4P3/4R3/8/4K3 w - -
>>>>
>>>>Thanks,
>>>>Ernst.
>>>
>>>
>>>      Hi Ernst
>>>      I can't confirm this. With the 4-men EGTB Shredder 8
>>>      analysis looks as follows:
>>>
>>>      New game
>>>      4k3/8/8/4r3/4P3/4R3/8/4K3 w - - 0 1
>>>
>>>      Analysis by Shredder 8:
>>>
>>>      1.Ke2 Re6
>>>        ²  (0.44)   Depth: 1/1   00:00:00
>>>        =  (0.00)   Depth: 2/4   00:00:00
>>>      1.Kf2 Re6 2.Kf3 Ke7 3.Kf4 Rh6 4.Ra3 Rf6+ 5.Kg4 Re6
>>>        =  (0.05)   Depth: 2/4   00:00:00
>>>        =  (0.04)   Depth: 25/38   00:00:19  7946kN, tb=226392
>>>
>>>      And with the 5-men EGTB Shredder 8 plays at once
>>>      [due to EGTB-access] and shows an evaluation of 0.00
>>>      Kurt
>>
>>
>>Thank Kurt for trying, however to be sure with the 5 piece egtb, did you uncheck
>>the tablebase use by the gui?
>>
>>Ernst.
>
>
>      With "Use Tablebases" deactivated, Shredder 8 will
>      of course not use the 5-men EGTB. Isn't this logical?
>      Kurt
>
>Shredder 8 - Utzinger
>4k3/8/8/4r3/4P3/4R3/8/4K3 w - - 0 1
>
>Analysis by Shredder 8:
>
>1.Kd1
>  =  (0.00)   Depth: 1/1   00:00:00
>1.Ke2 Re6
>  =  (0.00)   Depth: 1/1   00:00:00
>  =  (0.00)   Depth: 2/4   00:00:00
>1.Kf2 Re6 2.Ra3 Rxe4 3.Ra8+ Ke7 4.Ra6 Ke8 5.Ra7
>  =  (0.00)   Depth: 2/4   00:00:00
>  =  (0.00)   Depth: 26/45   00:00:13  5450kN
>
>(Utzinger, MyTown 11.09.2004)

      Hi Ernst
      Very strange: under the Shredder Classic GUI
      it does indeed not work !!
      Kurt



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