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Subject: Re: Instructive rook and pawn ending from 18th WMCC

Author: Ferdinand S. Mosca

Date: 05:21:22 08/28/01

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On August 27, 2001 at 11:26:36, Dieter Buerssner wrote:

>I tried to go over your line with Yace in Analyse mode. So I could learn
>something for me and my program.
>
>In one line, there is this position:
>
>[D] 8/4k3/p7/P4RP1/3r4/5K2/8/8 w - -
>
>You suggested Ke3. (The 12th move from the start position in your post).
>Yace thinks, that Rf4 is winning here (after anylyzing some lines).
>
>Perhaps the most difficult to find line was
>
>12. Rf4 Rd5 13. Kg4 Rxa5 14. g6
>
>And Yace thinks, black cannot stop the g-pawn. After some analysis, I get a
>score of +3 for 12. Rf4.
>
>Regards,
>Dieter

You are right, that line should win, black's king is one file short to support
his a-pawn and is totally cut off to block white's g-pawn.

-Dinan



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