No.1072 (PH)

No.1072 
Peter Harris (South Africa)

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Original Problems, Julia’s Fairies – 2016 (I): January – June

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Definitions: (click to show/hide)


No.1072 Peter Harris
South Africa

original – 17.05.2016
For Daniela and Dominika

Solutions: (click to show/hide)

white royal prd4 black royal prf7

h#2,5          2 solutions            (1+1)
Sentinels
Royal Princess d4, f7


9 Responses to No.1072 (PH)

  1. shankar ram says:

    Two differentiated solutions
    Peter should try for a duplex too, maybe?

  2. Luce Sebastien says:

    Dear Peter,
    it is nice to dedicate a problem to Daniela & Dominika but after your interesting problem n° 1063 you should have wait a little…

    There is no great content in the problem and no relation between the two solutions. 🙁

  3. peter harris says:

    Sebastien:

    I made this little problem with only two Princesses on board to please Daniela and Dominika – certainly not you.

    You advise that I should not have sent it in. You are getting too big for your boots.

    Your comments on its contents and solutions are of no interest to anybody.

  4. Luce Sebastien says:

    Dear Peter,
    I repeat, it was very nice for Daniela and Dominika
    …but you can also enjoy the public ! 🙂

    There are many examples in Winchloe database of problems with two Princesses.

    Here is one where an echo is realized without any fairy condition :

    Edgar HOLLADAY
    Feenschach 1965
    h‡2* (3+1) C+
    White: Kg2, Princesses e5 & a7
    Black: Kd5

    1…PKb6+ 2.Ke4 PKg6‡
    1.Ke6 Kf3 2.Kd5 PKf7‡

  5. peter harris says:

    Sebastien:

    My problem has two pieces – which is the beauty of it.

    The Holladay problem has four.

    And I prefer mine – by a very long way.

    This is the last comment I will make on this problem.

    [You time would have been better spent studying my 1066].

  6. Luce Sebastien says:

    Peter,
    you are free to like your problem, but I think you can do better…

    With powerfull condition like Sentinels or Sentinels in opponent pawn, it is easy to realize problems with only two pieces. But it is difficult to realize a clear idea in monosolution and even more to obtain a unity in multi-solutions.

    If you don’t know it, I inform you I wrote an article in
    Idee & Form 128 and 129 about the combination Sentinels in opponent pawn + Maximum with neutral pieces.
    Most of the problems have two or three pieces.
    The begining point was one of your problems
    (the only example of this combination in Winchloe database)

    White : Kd4
    Black : Kd2
    Neutral : Qa6 Ra3
    Peter HARRIS
    StrateGems 2009
    hs‡3 (1+1+2) C+
    b)  a3>e6
    Maximum
    Sentinels in opponent Pawn

    a) 1.Qna5(+a6)+ Qnh5(+a5) 2.Kc4(+d4) Rnh3(+a3) 3.Rnh4(+h3) Qnb5(+h5)‡
    b) 1.Rnf6(+e6) Qnf1(+a6) 2.Ke4(+d4) Qn×a6 3.Qna2(+a6)+ Qnd5(+a2)‡

    Here is one of the originals of the article. If you are interested
    I can send you the pdf : luceechecs@gmail.com

    White : Kf1
    Neutral : Ge1
    Sébastien LUCE
    idee & form 2015
    hs‡7 (1+0+1) C+
    2.1.1.1
    Sentinels in opponent Pawn
    Maximum
    G=Grasshopper

    1.Kg1 Gnh1 2.Kh2 Gnh3 3.Kg3(+h2) Gnf3(+h3) 4.K×f3(+g3) g2 5.Kf2(+f3) g1=B+ 6.Kf1(+f2) h1=S 7.h4 Sg3‡

    1.Kf2 Gng3 2.Ke2(+f2) Gne1(+g3) 3.Kd2(+e2) Gnc3 4.K×c3(+d2) e1=B 5.Kb4(+c3) c2 6.Kb3(+b4) d1=G+ 7.Kb2(+b3) Bc3‡

  7. Nikola Predrag says:

    No.1072 has two SUPERFLUOUS Pawns in each mate.
    This is not “the beauty”.
    It would require a clearly presented 2-phase idea to avoid seeing these Pawns as “the ugliness” of the problem.

  8. peter harris says:

    Nikola:

    This problem is about the Princess.

    In particular the two Royal Princesses which beautifully adorn the board at the start.

    Altogether subsidiary to the Royal Princesses is the Sentinelles condition and the pawns it produces.

    Sentinelles is used to produce the Pc6 to mate directly and the Pg7 to mate by promoting to a Princess.

    [I prefer this differentiation to having two mates of the same type]

    Ideally, besides the wPs used to mate, all other Sentinelles pawns should have nothing more to do; should not be necessary to effect mates.

    There should be as many superfluous pawns as possible.

    But alas in each mate one Sentinelles pawn is required to assist the wPrincess.

    You are counting the wrong pawns.

    There maybe ugliness about but it is not in the problem.

  9. Nikola Predrag says:

    Peter,
    as for the dedication, this is indeed very nice!
    Just the two Princesses on the board, which create the proper play together.
    That’s much, much more interesting and economical than various “Christmas trees”, “initials” or whatever else that is supposed to make a trivial visual impression merely by a diagram.

    However, a chess composition is not about an image but about a unique play which fulfills the stipulation.
    And each of your mates REQUIRES 4 UNITS, so don’t tell me your problem has 2 pieces when it has 6, 2 of them being idle.

    The idea is very simple, producing 1 bP for a selfblock and 1 wP which will mate. Such simplicity yearns at least for a perfect realization, otherwise it’s just a non-original example.
    But the play produces as much trash as the necessities.

    Nevertheless, it’s OK to publish it, especially for a perfectly suitable dedication. For that particular purpose, it’s indeed desirable to have only 2 Princesses on the diagram.

    Holladay’s problem is simple but perfect.

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