No.1645
Gábor Tar
(Hungary)

Original Fairy problems
JF-2021-II:
01.07.2021 - 31.12.2021


Definitions / Определения


No. 1645 Gábor Tar
Hungary
original - 30.08.2021

black Qg1 Pf2b3g4c4b4h5g6 Be6 Ka8 white Qf1 Kb2 Bg3 Pb6h7e7
hs#2            b) Ka8-->f5 ; c) Ka8-->g5            6+10
Circe Assassin

Solution: (click to show/hide)



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Seetharaman
Seetharaman
September 1, 2021 01:55

Not clear how this is mate. Why white can’t capture the black queen? Also why not queen promotion in the diagram and (c). ?

Last edited 26 days ago by Seetharaman
Kostas Prentos
Kostas Prentos
September 1, 2021 02:22
Reply to  Seetharaman

In twin a, 3.Kxa1(+bQd8)?? is illegal, because of 3…Qxh8(+wRa1,-wKa1). Also, 3.Qxa1(+bQd8)?? is illegal, due to 3…Qxb6(+wPb2,-wKb2).
In b, 3.Kxb1(+bQd8)?? Qxe8(+wSb1,-wKb1) and 3.Qxb1?? Qxb6, again.
In c, 3.Kxc1(+bQd8)?? Qxh8(+wBc1,-wKc1).
These moves explain the need for the specific type of the promoted pieces.

Joost de Heer
Joost de Heer
September 1, 2021 08:47
Reply to  Kostas Prentos

And another detail: b7 isn’t a flight square for the black king because of Kxb3.