No.943 (GG)

No.943 
Gani Ganapathi (Индия)

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Оригинальные задачи, Julia’s Fairies – 2015 (II): июль – декабрь

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No.943 – Gani Ganapathi – Парализующие фигуры во взаимных слабых превращениях. (JV)


Определение:

Paralysing piece: Moves as normal but cannot capture; instead it paralyses any enemy unit it attacks, so that this unit is unable to move, capture or give check, until the attack from the paralyzing piece ceases. At the mate the side being mated must have at least one move available before the notional capture of the King.


No.943 Gani Ganapathi
India

original – 29.10.2015

Solutions: (click to show/hide)

white Kc2 white paralysing Pb7 black Ke3 black paralysing Pg2

hs#3            2 solutions            (2+2)
Paralysing Pb7, Pg2


7 комментариев: No.943 (GG)

  1. Seetharamanseetharaman пишет:

    Elegantly done !

  2. Stephen Emmerson пишет:

    If White takes a queen, it’s not mate: 4.Qb5/h5 or 4.Qe7 can be played. If Black takes a queen, it’s not selfmate (there are other choices to paralyse wK without unparalysing bK). Even if the bQ were to play to unparalyse the bK it still would not be mate due to the extra rule concerning mate, but that rule is not necessary for the soundness of this problem.

    • Seetharamanseetharaman пишет:

      Not correct Stephen. If black were to unparalyse his king with a queen also (e.g. in the first solution by 2.pQe3) it would be mate because white’s paralysing rook or bishop has the free moves. So black has to underpromote so that he will have the only move (which will unparalyse his king) to paralyse the white king.

  3. Luce Sebastien пишет:

    Dear Gani,

    it is also C+ Winchloe !
    Please Julia, indicate that it is also C+Winchloe
    for the problems !

    Gani ! I love to be surprised ! I didn’t know the paralysing pieces. If I understood well, each time to parry the check,
    black has to cover with a paralysing piece, but in both cases, it is black King which mates ! Well done, in a very economical maner. I like it !
    Sebastien

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