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Subject: Re: simple endgame position (and WRONG solution times)

Author: Moritz Berger

Date: 09:26:02 06/18/98

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On June 18, 1998 at 10:44:36, blass uri wrote:

>
>On June 18, 1998 at 09:25:12, Moritz Berger wrote:
>
>>On June 18, 1998 at 06:28:48, Ernst A. Heinz wrote:
>>
>>>On June 18, 1998 at 04:16:15, blass uri wrote:
>>>>On June 17, 1998 at 14:49:15, Vincent Diepeveen wrote:
>>
>>>>>black to move
>>>>>
>>>>>position white  Kh3,Ra4,a2,f4,g3,h4
>>>>>             black  Kc4,Rc3,b4,e6,f5,g6
>>>>>             black to move wins easily
>>
>>>>Fritz5 is not better in this position it needed more than 80 seconds
>>>>to find Ra3 is winning
>>>>before that(after 1 minute on my pentium 200MMX) it prefered Re3
>>>>It intended to  play Ra3 without seeing it is winning after some
>>>>seconds but change its mind
>>
>>On my P233MMX with 98304 KB hash tables, Fritz 5.01 sticks with Ra3 all the time
>>(from the very first second) and NEVER (I let it analyze 5 minutes) changes to
>>Re3 (eval for Ra3 is +3 for black after 0 seconds, +5.25 for black after 5
>>seconds).
>
>maybe you did a mistake in the position because if
>the white king is at h2 instead of h3 it explain the 5.25 evaluation.

... looks like I made a mistake ... sorry. I checked the position again and now
indeed Fritz finds Ra3 only after 75 seconds with -+ 2 eval.



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