Julia's Fairies

JV problem No.9

Julia’s Published Problems

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Thank you for the interest! Your comments are very welcome! – Julia

No.9 – November, 2011. This is a nice one! I was surprised to get some warm comments about it in April,2012, after it was published in DIE SCHWALBE. Oh, to compare with No.6 I have a pair of white Knights here! This is not as I can’t live without Knights at all, but still prefer to use them, it’s true..

99686 /

Julia Vysotska

HEFT254 (Apr-2012), #15170

h#2        2 solutions       5+5
Lions: f3, c2


I. 1.Qb2-d4 Sc7-d5 + 2.Re6-e4 Sd5-c3 #

II.1.Re6-e3 Sb7-c5 + 2.Qb2-c3 Sc5-e4 #

Creation of white anti-batteries (S/Li) + white batteries(S/Li); reciprocal interference between black Q and R; mates through specific double-checks. Meredith.

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September 1, 2012 12:21

It is a very good problem. Though the mating position (with two white knights is well known in orthodox helpmates, the combination with mutual interference of Q/R and the moving if the knights from one anti-battery to another is entertaining.

Juraj Lörinc
Juraj Lörinc
September 1, 2012 13:57

Actually, even the hopper-specific doublechecks in D-O echo are already well known, see e.g.:
http://www.jurajlorinc.com/chess/fhedo_01.htm#uloha3 – mates are the same actually,
http://www.jurajlorinc.com/chess/solv_03.htm#uloha14 – different geometry of flights,
http://www.jurajlorinc.com/chess/ccm6tt_h.htm#uloha2 – another, longer example.

The other motifs, preliminaries, are thus important. Interference disabling moving the black hurdle from one lion line to another seems quite fresh.

(A propos, CCM as the reference source.)

September 1, 2012 15:05
Reply to  Juraj Lörinc

@Juraj: Indeed, the mating positions in the three problems you have quoted are similar using the orthodox idea. But in none of the examples the same white knight fires two antibatteries. Perhaps that feature also is novel.

Rehm Hans Peter
Rehm Hans Peter
February 24, 2014 11:25

In fact this type of antibattery/battery creation
with doblecheck is rather old. I myself
made a version with grasshoppers (certainly not the
first one), Schach-Echo 1979, 5th prize
pieces white kc4 sf2 gb5c2d2
black kf5 re3 bd6 pc3d4e6f3g6h5 gc8f1
h#2 b)Pg6 to f4
a)1.Bc7! Sc5 2.Be5+ Sce4#
b)1.Re2! Sd3 2.Re4+ S3e5#
The doublecheck mates are similar to Julia’s (the lions
allow a slightly different geometry). But I think
Julia has found a perfect realization where I like the specific
reciprocal preinterferences in the key very much.
(I tried to make the keys deeper in another way .)

Kjell Widlert
Kjell Widlert
February 24, 2014 21:47

A wSd7 seems to be missing?!

Bartel Erich
Bartel Erich
June 10, 2015 21:24

–> PDB P1304260

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