Author: Gerd Isenberg
Date: 11:17:48 01/04/06
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On January 03, 2006 at 05:54:26, JW de Kort wrote: >Can anyboby answer the question in the header? > >Thanks! Not yet a passer, but already no counter pawns on the same rank (i call the "open"), but opposite guards - so that advancing the pawn results in a lever (pawn capture distance). If the number of own neighbourd "helper" pawns, supporting the advance, is greater or equal than the number of guard pawns, it is an candidate passer. Here white b4-pawn and black g5-pawn are candidate passers: [D]6k1/8/2p5/5ppp/1PP5/5P1P/8/6K1 w - - But here the same pawns are no longer candidates: [D]6k1/2p5/2p5/6pp/1PP5/5P1P/8/6K1 w - - Another kind to consider are "advanced" backward pawns, where the guard is rammed by an own neighbourd pawn and not defended by an own pawn. The own neighbour becomes free if the guard pawn captures: [D]6k1/8/2p5/2P2ppp/1P6/5P1P/8/6K1 w - - Gerd
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