Andrew Buchanan & James Malcom
(Singapore / USA)

Original Fairy problems
01.01.2022 - 30.06.2022

Definitions / Определения

No. 1682 Andrew Buchanan &
James Malcom

Singapore / USA
original - 15.01.2022

white Rh1 Ke1 Pf2e2c3a3c4 Bb4 Sc5 black Kc1
#6                       9+1

Solution: (click to show/hide)

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January 17, 2022 15:29

In this #6, black king “is in a cage” and has only repetitive moves. So it is better to show the idea in ser-#n : White : Ké1 Rh1 Pé2 Black : Kç1 Ba1 ser-‡6                 (3+2) C+ Rokagogo
1.é4 2.é5 3.é6 4.é7 5.é8=R 6.Ké3(Ré2)‡
But it is only a scheme, and I think it is possible to produce much better problems with it. Another weakness : in Rockagogo, the spectator is expecting more than one castling…

Andrew Buchanan
Andrew Buchanan
January 21, 2022 19:39
Reply to  Luce

Hi Sebastien nice to hear from you hope you are well. Your points are well taken. In a way, the “Rokagogo” concept is a joke – this is really yet another Staugaard problem but (1) WinChloe can validate R but not S (2) it’s an attempt at a Staugaard directmate economy record, with the idea that people may think “Oh they are doing Rokagogo now”, well we aren’t heh.
Really the idea of an “economy record” can reduce artistic content, and I think that’s what’s perhaps happened here.

January 21, 2022 21:05

Dear Andrew, thank you, yes I am fine, no covid case for the moment ! 🙂
I think that the condition Rosue is more interesting to work than Rokagogo, because you can make castling with other pièces than Rook.
But in the case of the ser#6 I have proposed, with Roque 5.e8=Q is also possible !

January 21, 2022 21:06

Condition Roque…I want to say

Joost de Heer
Joost de Heer
January 17, 2022 19:57

The rokagogo definition doesn’t explicitly forbid castling to a square that is guarded, but not after the castling move (e.g. wKe1 wRh1 bMOe2).

Andrew Buchanan
Andrew Buchanan
January 21, 2022 19:40
Reply to  Joost de Heer

Good point. This relates to an ongoing discussion in MatPlus. I guess guarded e1 (i.e. check) still prevents castling> what about guarded f1?