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Subject: Re: Correction to Jouni's endgame test

Author: blass uri

Date: 08:20:56 03/08/99

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On March 08, 1999 at 10:43:53, Steffen Jakob wrote:

>On March 08, 1999 at 10:25:50, blass uri wrote:
>
>>
>>On March 08, 1999 at 08:58:21, Steffen Jakob wrote:
>>
>>
>>>I added h4 to the "bm" list in #7 (Jouni, there is no need to remove #7 because
>>>EPD allows multiple best moves)
>>
>>I think that you should add also Kc2 and Nd1 to number 14.
>
>Done... where do you know that those moves are winning?

The position after Kc2 or Nd1 was evaluated by Fritz5 and Crafty16.5 as an
engine for Fritz5 as more than 8 or 9 pawns for black

I believe that tablebases can tell the distance to mate.

I am also not sure about number 7 because the evaluation of Fritz5 after more
than 10 minutes after Hossa's move was -0.03.

I am less sure about it because computers may be wrong in the evaluation of pawn
endgames.

I am also not sure if b4 is a draw or a win for white

Fritz5's evaluation is not clear
It gives 0.72 at depth 20 and 0.84 at depth 21 for the position after b4 so
maybe b4 is the only winning move.

I did not investigate this endgame so I do not know

Greetings,
Uri



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