Fairy chess composition

# No.838 (RJM)

 No.838 René J. Millour(France) Original Problems, Julia’s Fairies – 2015 (I): January – June    →Previous ; →Next ; →List 2015(I) Please send your original fairy problems to: julia@juliasfairies.com

No.838 by René J. Millour – An Invisible world is revealed by a wK-march and a very strange black collaboration!

The Invisibles are not programmed, the problem is C-, and no animation is possible here. I keep the same abbreviation “I” as sent by author and also used in 9th Japanese Sake Tourney. See also René’s problem No.675. (JV)

Definition sent by the author:

Invisibles(I): Beside ordinary units, a given number of Invisible pieces are on the board, their identity and whereabouts being not known. Moves are played so as to determine partially or totally the identity and location of the Is, in order to finally achieve with certainty the stipulated aim. An I may play a quiet move denoted 1.I– (a priori we don’t know which I moved to what square), or may capture a visible unit (1.Ixd5) to show its arrival square. An I remains I until both its identity and whereabouts are determined, in this case it is revealed and becomes an ordinary piece. The notation expresses what we know, and only what we know, all must be deduced, not simply asserted through the notation.

 No.838 René J. MillourFranceoriginal – 26.06.2015 Solution: (click to show/hide) White Kh4 Qe4 Rc6 Bh8 Pa5d6e6f6g6h6 h#9,5                                  (10+0) C-11 Black Invisibles! {Animation is not possible for this problem. (JV)} This strange problem with no black pieces has the following solution:1…Qg2! 2.Ixh6 Bg7 3.Ixg6 Kg4 4.Ixf6 Kf4 5.Ixe6 Ke4 6.Ixd6 Kd4 7.Ixc6 Kc4 8.Be7! Kb4 9.Ixa5 Ka4 10.Bd7! Qxg6# See below detailed explanation by author ->

Show detailed explanation by author: (click to show/hide)

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René J. Millour
June 26, 2015 23:18

A first version of this problem was published on Eteroscacco website, in September 2009.
In December 2009, Eteroscacco ceased all publications.
Later, I found a cook, but also a correction! As the corresponding award was not done (…it is not done even today), in March 2014 I sent to Marco Bonavoglia the email I provide (in main part) below with Marco’s answer.

CONSEQUENTLY, THIS PROBLEM IS COMPLETELY ORIGINAL FOR JULIA’S FAIRIES!

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Message du 11/03/14 15:26
De : “René J. Millour”
A : “Marco Bonavoglia”
Copie à :
Objet : Cook.

Hello Marco,

I recently cooked my “h#9 Invisibles”, …
I also corrected it, even with a more economical position – 10 pieces on the diagram instead of 14 – in which …
All in all, in my view the content is improved!

Is it still possible to replace the cooked version by the corrected one?

All the best wishes!
René

Message du 12/03/14 19:02
De : “Marco Bonavoglia ”
A : “René J. Millour ”
Copie à :
Objet : Re: Cook.

dear René,
… I think it’s better to consider the problem cooked and you can publish the good version somewhere else.

all the best, Marco

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