No.643 (JL)

Juraj Lörinc


Original Problems, Julia’s Fairies – 2014 (III): September – December

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No.643 by Juraj Lörinc – Original usage of two Imitators with AUW! (JV)


Imitator(I): Every time a piece moves an Imitator (or a set of Imitators) moves simultaneously in an identical manner. An Imitator cannot move of itself. If an Imitator cannot imitate the move of a piece, the move is illegal. An Imitator may only pass through or enter an unoccupied square and cannot move off the board. (this version of the definition is proposed by Peter Harris after the one shown in the Forum’s post). Castling is imitated by decomposing into a King move followed by a Rook move. 

No.643 Juraj Lörinc

original – 16.11.2014

Solutions: (click to show/hide)

White Kb6 Black Ke4 Neutral Pc2 Pd2 Neutral Ib5e5

h#4*                                  (1+1+2n)
Imitator b5 e5
No promotions to Imitator

3 Responses to No.643 (JL)

  1. seetharaman says:

    Very nice! Interesting and matching setplay and a nice AUW.

  2. Nicolas Dupontdupont says:

    This is also C+ WinChloe:

    1…Ra6{Ia5,Id5} 2.ç1=Cn{Ia4,Id4} Cné2{Iç5,If5} 3.d1=Tn{Iç4,If4} Cng1{Ié3,Ih3} 4.Rd3{Id2,Ig2} Rb5{Ié1,Ih1}‡

    1.Rd4{Ia5,Id5} Rç7{Ib6,Ié6} 2.d1=Fn{Ib5,Ié5} Fné2{Iç6,If6} 3.ç1=Dn{Iç5,If5} Dné1{Ié5,Ih5} 4.Rç5{Id6,Ig6} Rd6{Ié5,Ih5}‡

    The real play is unique even if promotions to Imitator are allowed.

  3. I like it! First time I see a pair of imitators moving so gracefully.

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