Fairy chess composition

# No.322 (PT)

 No.322 Pierre Tritten (France) Original Problems, Julia’s Fairies – 2013 (II): May – August  →Previous ; →Next ; →List 2013(II) Please send your original fairy problems to: julia@juliasfairies.com

No.322 by Pierre Tritten – Non-standard use of Poseidon with an exotic fairy condition! (JV)

Definitions:

Poseidon (PO): The Marine King is named “Poseidon”. The Poseidon moves like a King when not capturing, and captures adjacent pieces like a Locust.

Locust (L): moves on Q-lines but only by capturing an enemy unit, arriving on the square immediately beyond that unit, which must be vacant.

Anti-circe couscous: When a piece captures (including King), it must come back to the captured unit rebirth square – if this square is occupied, the capture is forbidden. A Pawn capturing on its promotion rank promotes before it is reborn.

 No.322 Pierre Tritten France original-23.05.2013   h#2               2 solutions             (2+7)Couscous Anti-CircePoseidons: c6, g2     Solutions: (click to show/hide)   I. 1.POb7 Qc4 2.Rf2+ PO×f2-e2(POa8)‡ II. 1.POc7 Qf6 2.Bf2 PO×f2-e2(POc8)‡   Surprising (I hope!) mates by Poseidon Diagonal-orthogonal echo, model mates (Author)

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seetharaman
May 23, 2013 22:03

Nice idea.

hm…. I thought when a black square bishop (or a rook on black square) is captured, the reappearance square should be black. 🙁

Pierre Tritten
May 23, 2013 22:30

Good remark!
Poseidon captures on a white square a piece set on a black square. Difficult to say what’s the best color square for a rebirth…

May 23, 2013 23:19

As far as I remember, once upon a time Popeye and WinChloe have treated rebirth squares for locust-like-capturing pieces differently. One of them based on the arrival square of capture, the other based on the square where the captured piece stood. One of them (I think WinChloe) then added option to test the other type.

May 24, 2013 07:28

In my opinion in such a mechanism the rebirth squares looks more natural if they are in colour of the capturing square, but I still not tested how it is programmed.
By the way – Julia, I am wonder why you are included the definition of Locust above the problem, because here is not such a piece…

seetharaman
May 24, 2013 17:32

I cannot find this condition in the list of conditions supported by Popeye.

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