No.1469 
Eric Huber
(Romania)

Original Fairy problems
JF-2019/II:
July – December’2019


Definitions: (click to show/hide)


No.1469 Eric Huber
Romania

original – 29.12.2019

Solutions: (click to show/hide)

white Kb5 black Kc3 neutral Pc7f7g7

h#2.5         2 solutions        (1+1+3)
PartialParalysis
Leffie
Neutral pawns c7,f7,g7


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seetharaman
seetharaman
December 30, 2019 20:37

The combined conditions are a little to grasp. In the second solution, I cannot understand why black cannot play 4.nBxg7 defeating the mate.

seetharaman
seetharaman
December 30, 2019 20:37

* difficult to grasp.

Eric
Eric
December 30, 2019 22:53

As written in the explanations, in the second solution 4.nBxg7? is impossible because nBf8 is partially paralysed by nPg7.

Seetharaman
Seetharaman
December 31, 2019 05:14

sorry. you are right if course!

Joost
Joost
December 31, 2019 08:01

In the mating position of (a) it’s important to notice that nQb4 is impossible due to nRf8 (explaining why this rook must go to f8).

Joost
Joost
December 31, 2019 08:04
Reply to  Joost

Hm, nonsense of course. nQb4 is impossible because of Partial paralysis.

Eric
Eric
December 31, 2019 15:42
Reply to  Joost

That’s right, Partial Paralysis effectively restricts the nQ’s mobility.

If you enjoy this combination of fairy conditions and the headache that ensues, you can also have a look at G206, SuperProblem 2019. It shows mates in the middle of the board with a neutral Queen and again only 5 units.
http://superproblem.ru/htm/tourneys/annual-it/2019/fairies_2019.html