No.483,484 (TP)

No.483, 484 
Thomas Pantalacci (Франция)

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Приветствие на сайте новому автору! – Thomas Pantalacci с двумя сказочными задачами:

No.483 – Легкая демонстрация сказочного условия Patrol;

No.484 – Неожиданные патовые финалы с условием Provocation. (JV)


Определения:

Patrol Chess (Patrouille): A piece can capture or give check only if it is observed by a piece of its own side.

Provocation Chess (Provocateurs): A piece can capture only if it is threatened.


No.483 Thomas Pantalacci
France
original-13.01.2014
 
483-h#2-tph#2                2 solutions             (5+3)
Patrol
 
 
Solutions: (click to show/hide)
 
No.484 Thomas Pantalacci
France
original-13.01.2014
 
484-h=3-tph=3               b) Sf4→e5             (4+3)
Provocation
 
 
Solutions: (click to show/hide)
 

9 комментариев: No.483,484 (TP)

  1. Kjell Widlert пишет:

    A new name to me, and already two quite good problems!

    (483) An economical realization of a very Patrol-specific idea: Black gives his K access to a square by capturing the observer of a white guarding piece; White mates by re-observing that piece.
    I suppose you must call both mates models (wSe4 does not guard d2/f2) even though two pieces are observing Rd2 after 3.Kd3? etc. The concept of model mate is not clearly defined in all fairy forms.

    (484) I like it that both white pieces restricting the mobility of Black’s piece are also used to guard flights thanks to the attacks from that black piece; a very harmonious concept.

  2. shankar ram пишет:

    Yes.. two clear cut ideas realized with harmony and a light touch..
    The idea of 483 – the WS and WB mutually activating each other has possibilities for extending into a cycle..
    btw.. Bxc2 and Bxf5.. not Bc2 and Bf5..

  3. Nicolas Dupontdupont пишет:

    As far as the white King plays no role (in both problems), I wonder if it would not be simpler to delete it (and of course to add “No white King” in the stipulation). Saying otherwise, is economy a stronger requirement than the traditional attendance of both Kings?

    • shankar ram пишет:

      Hmm… an old question..
      We just keep the WK in any odd corner.. so that it’s out of the way and doesn’t make a nuisance of itself..
      Sometimes, we need to surround it with pawns and such..
      Something like the vermiform appendix, i suppose.. more trouble trying to get rid of it..
      Of course, the obvious solution is to find a use for it.. so that it earns it’s keep.. 😀

  4. Bernd G. пишет:

    Just a short note (because I am very busy right now):
    I have discussed Nicolas’s question about superfluous kings in my paper
    “Wozu eine Doppelmonarchie?”, feenschach: Zeitschrift für Märchenschach, Heft 151, Band XXVIII (April-Juni 2003), S. 74.

  5. seetharaman пишет:

    Two nice problems. Provacation is an interesting condition. Hope it might be implemented in Popeye in future.

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