Author: Rafael Andrist
Date: 08:42:54 10/18/01
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On October 17, 2001 at 13:51:55, Simon Finn wrote: >There are some positions where adding a Black pawn on g7 (vs White pawn on h5) >or g6 (vs White pawn on h6) to converts a KBPKP draw to a loss by obstructing >the Black king. > >There are lots of positions where adding 2 Black pawns (h+g or doubled g pawns) >allows White to win. For example: > >[D]8/8/1k6/1p1K4/1p3B2/8/P7/8 w - - 0 1 bm Bd2 c0 "Kling & Horwitz 1851 (Fine >#152)" > >[D]8/4k1p1/6Bp/7P/8/2K5/8/8 w - - 0 1 bm Kd4 c0 "Walker 1841 (Fine #153)" > > >I don't know any such cases where Black has no g-pawn. Perhaps that could be the basis for a generalised rule? > > >Simon Thanks. I'm now investigating the cases where black has a knight pawn to find a rule for this specific case. Rafael B. Andrist
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