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Subject: rook endgame test position

Author: Dieter Buerssner

Date: 13:23:15 12/15/03

[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

Re: rook endgame test position Volker Pittlik 02:11:26 12/16/03
Re: rook endgame test position Mridul Muralidharan 00:56:52 12/16/03
Re: rook endgame test position martin fierz 00:19:12 12/16/03
Re: rook endgame test position Brian Katz 21:57:04 12/15/03
Re: rook endgame test position John Merlino 15:55:02 12/15/03
Re: rook endgame test position Dann Corbit 14:57:52 12/15/03
Rook endgame test position [Little Goliath 2000 v3.9] Kurt Utzinger 14:22:14 12/15/03
Re: rook endgame test position Dann Corbit 14:17:36 12/15/03
Re: rook endgame test position Dann Corbit 13:52:55 12/15/03
Re: rook endgame test position Kurt Utzinger 13:50:39 12/15/03
Re: rook endgame test position Mihaly Szalai 13:45:25 12/15/03

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