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Subject: Re: rook endgame test position

Author: martin fierz

Date: 00:19:12 12/16/03

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On December 15, 2003 at 16:23:15, Dieter Buerssner wrote:

>[D] 5k2/1R4p1/5p2/4p2p/1p2P2P/r4P2/PK4P1/8 b - -
>
>This is from a game between Ruffian-Yace in the "CSS-Online-Masters" (time
>control 60 15).
>
>I think, after Ra4, white cannot make progress, and the game will end in draw.
>Yace played Re3? instead (with 0.0 score). Are there engines, that show in
>reasonable time a big score difference between Re3 and Ra4?. I believe Re3 loses
>by force. For example Re3 Rxb4 Re2 Kb3 Rxg2?! (possibly Re3 instead gives more
>resistance) a4.
>
>It is not a real good test position, because engines can show for a long time
>the same score for Ra4 and Re3, and the chosen move might be pure luck.
>Therefore also the question for scores after those moves.
>
>Regards,
>Dieter

hi dieter,

nice position, it seems to measure whether the engine (evaluation) realizes that
the a-pawn is very dangerous. mine doesn't either, so i have something to fix
now - thanks!

cheers
  martin



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