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Problem 500: Franz Pachl - Fairy (Take & Make, Camel, Giraffe, Zebrarider, Nightrider)
franz.pachl(13.01.2015) This is the jubilee problem number 500 and I publish it with a great pleasure - very rich thematic complex with cyclic Zilahi, creation of neutral batteries, cyclic change of functions, Many Ways theme (with Take & Make effects) realized by the nR, bQ and nZR! Enjoy this fantastic masterpiece by Franz Pachl!
 
 
 
 
 
 
 
500
 
 
1…nRxb8-a4 2.Qxc6-b8+ nZRxb8-b7+ 3.nCAe5 nGIxe5-d2#
1…nRxg7-a4 2.Qxh4-g7 nZRxg7-b7+ 3.nGIe5 nNxe5d1#
1…nRxb2-a4 2.Qxa6-b2 nZRxb2-b7+ 3.nNe5 nCAxe5-g6#
 
Zebrarider: a rider along any straight line of Zebra moves (2,3) leaper
Nightrider: a rider along any straight line of Knight moves
Camel: a (1,3) leaper, e.g. a1>b4 or a1>d2
Giraffe: (1,4) leaper
Take & Make: Every capture ("take") must be complemented by a further step ("make":not a capture) by the capturing piece, using the movement of the captured unit, otherwise the capture is illegal. Pawns may not end up on their own first rank. Captures on the promotion rank lead to promotions only if the pawn is still on the promotion rank after the "make" part of the move. Promotions at the end of the "make" element are normal.
 

Comments  

 
+2 #1 Kjell Widlert 2015-01-14 22:08
An amazing geometrical concept. nRb7 and nZRd5 can both reach all three of the thematic squares b8/g7/b2, and the pieces on those squares can all reach a4. The three neutrals on c6/h4/a6 can each reach just one of those thematical squares, and they can all reach e5. bQc4 can reach all three of those neutrals. This sets the stage for the play with cyclic change of functions between the neutrals on c6/h4/a6: captured on B2 / interposing on B3 and captured on W3 / capturing and mating on W3.
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+2 #2 Kjell Widlert 2015-01-14 22:09
nR clears one of the squares b8/g7/b2 on its way to a4. Qc4 goes to the free square by capturing the one of the three neutrals that can reach that square. nZR goes to b7 by capturing the Q (as Rb7 can reach all of b8/g7/b2, a Q-like make-move from any of those squares can of course reach b7). One of the two remaining thematic neutral interposes on e5, and is then captured by the remaining thematic neutral, which gives a non-reversible double check on its make-move. Which neutral goes to e5 first depends on which one can check with a make-move in the manner of the other one.

It would be much too much to expect that the black pieces on b8/g7/b2 would also change their functions cyclically. In fact, only one of them is active in each solution.

Surely a worthy problem for the jubilee!
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0 #3 Seetharaman Kalyan 2015-01-19 06:56
500 in a couple of years ! Intricate problem with vacation and reoccupation of same squares (of course cyclic). Takes some time to absorb what is happening ! Great !
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