Q-301

  Sometimes win is possible even when the defended pawn has reached the second rank. Of course, this only happens with the awkward position of black pieces when White can use zugzwang to separate the black rook from its king. We see one such position in F. Prokop’s 1925 study.  

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Q-299

  In similar positions with a pawn on the third rank, victory can only be achieved in exceptional situations when the opponent can be put into zugzwang and forced to either separate the rook from the king, or move the rook too close to the white king. A simple case of this kind can be […]

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Q-297

  Based on the analysis of the previous example, it is logical to conclude that for the stronger side, a similar position will be even more disadvantageous with the pawn on the f-file and the king on the shorter side, since the queen will have even less space to maneuver on the right flank.  

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