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No.165 – h#2 by Julia Vysotska  This is actually my first Take & Make problem. I like it myself, and I hope I’m not the only one! 🙂 (JV)


Definitions:

Take & Make: Having captured, a unit must immediately, as part of its move, play a non-capturing move in imitation of the captured unit from the capture-square. If no such move is available, the capture is illegal. Promotion by capture occurs only when a pawn arrives on the promotion rank as the result of a take&make move. Checks are as in normal chess: after the notional capture of the checked K, the checking unit does not move away from the K’s square.

Nightrider(N): A Rider along a straight line on squares lying a Knight`s move away from each other.


No.165 Julia Vysotska
Latvia
original-08.11.2012
 
h#2                2 solutions       (2+4+4n)
Take & Make
Nightrider e2
 
Solutions: (click to show/hide)

The diagrams are made on WinChloe and its Echecs font is used for Logo design

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Seetharaman
Seetharaman
7 years ago

Good first problem ! But it would have been nice if nPa2 moved in both solutions !

Juraj Lörinc
7 years ago
Reply to  Julia

My idea of possible improvement was to use camelrider instead of nightrider to allow movement of a-pawn in both directions, to show his true neutral character. But it turned out to be quite difficult to concentrate the play solely to access to final capture squares as B+CR both use only half of squares normally, so that I had to employ additional motif of guarding a flight. Also forcing the move order was difficult.

Nevertheless, it seems possible as follows:

[img]http://www.ankona.ch/100039.png[/img]
Take & Make
h#2 2.1.1.1

1.nCRa2*d1-c3 nBc2-b3 2.nPa3-a2 nPa2*b3-g8=nCR #
1.nBc2*d1-e3 nPa3-a4 2.nCRa2-b5 + nPa4*b5-c8=nB #

Surely it can be improved, further there are some non-analogous motifs that can be understood as variety in unity.

Juraj Lörinc
7 years ago
Reply to  Julia

I have tried not so little to get the present position. I think the possible improvement is in the change of wS, either only location or also piece type, to avoid so many black pawns. But I did not try any longer after submitting the position.

Nikola Predrag
Nikola Predrag
7 years ago

No. 165 nPa2 only prevents dualistic promotion into wQ/wB which would be possible in case of wPa2.
nBg3 is necessary only in one solution when both Black and White move it (1…nBxf4-d5 2.nBb3), in the other solution wBg3 is enough (so Phenix is half-convincing).
black Ne2 would be enough in both solutions, so the neutral nature of N gives a completely artificial Phenix effect.

Nikola Predrag
Nikola Predrag
7 years ago
Reply to  Julia

Due to my little experience with fairies, I am not qualified to evaluate specific fairy issues. So I try to grasp the facts and consider them within the general frame of chess composition (as I see it).
I mentioned some facts but I actually did not comment how much is some fairy element justified by the play. Still, I am interested how these facts would be interpreted by experienced fairy composers.
Generally, I think that fully convincing Phenix should have two features:
-the original piece has a specific thematic function when it is not captured (that function can not have any other piece)
-the promoted piece (Phenix) has a specific function which can’t have any other piece

Only one feature would make half-convincing Phenix and the lack of both features may give only an artificial Phenix. nNe2 is not specifically necessary in the beginning as well as in the end.
You did not claim the presence of theme Phenix and my comment was actually not about what is the content, but about how complex the thematical content hypothetically might be (formally there is Phenix in your problem).
(One fact about Juraj’s example, black CR would be enough for one solution. A comment about Phenix would be senseless here, since there’s no such theme present, even formally.)

Well, I may try to comment some specifically fairy elements, within the range of my modest experience.
Take & Make condition is interestingly and skilfully applied for white promotions and for 1st black/white moves (a pleasing variety), respectively in 2 phases. Your first use of T&M is very fine.
The use of neutral pieces doesn’t look as essential. Only nBg3 is thematical in (only) one phase. nRa1 and nPa2 only prevent cooks/duals and nNe2 is an illusion. “Reciprocal sacrifice-promotion” (as well as Phenix) may sound great but I don’t find it enough convincing (crucially because of the illusional nNe2).

Anyway, I like that Take & Make component, qite enough to congratulate for the idea.