Dominique Forlot (France)
Original Problems, Julia’s Fairies – 2013 (II): May – August
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No.333 by Dominique Forlot – Nice to see that condition “Back Home” by Nicolas Dupont is going to become popular! (JV)
Definition of the back-home fairy condition:
a) If a piece can legally move to the square it occupied in the initial position of the problem, it must move to this back-home square.
b) Back-home moves are prevalent to the virtual capture of the opponent King by any piece, i.e. “checks are fairies”.
c) If several back-home moves are legal, the side-on-move chooses which one to play.
d) The back-home square of a Pawn which is promoted during the solution is the initial square of this Pawn.
No.333 Dominique Forlot
Dedicated to Nicolas Dupont
h#4 3 solutions (2+5)
Solutions: (click to show/hide)
a) 1.g1=R d8=Q 2.Rg2 (Back-Home) Qd7 (Back-Home) 3.Rg7 Qg4 4.Bf5( intercept the Queen’s Back-Home ) Q×g7‡
b) 1.g1=B d8=Q 2.Be3 Qd7 (Back-Home) 3.Bh6 Qg4 4.Bg7+(this check made illegal the Queen’s Back-Home) Q×g7‡
c) 1.g1=S d8=Q 2.Se2 Qd7 (Back-Home) 3.Sc3 Qa4 4.Sb5 (intercept the Queen’s Back-Home) Qa8‡
(C+ WinChloe 3.24)
First Black play on the same square
Very nice problem, thank you for the kind dedication, Dominique!
I like the promotions setup (Q,r) (Q,b) (Q,s) and the various back-home tricks used in the 3 solutions!