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Problem 172: Anatoly Stepochkin - Fairy (KoKo, Gnu)

anatoly stepochkin(20.04.2013) Echo mates after two black castlings in KoKo chess problem by Anatoly Stepochkin from Russia.






172

1.a5 GNb7 2.0-0-0 GNe8 3.Rd7 GNc7 4.Rhd8 GNb5 #

1.0-0 GNb7 2.Rf4 Kg4 3.Rf7 GNe6 4.Raf8 GNh5 #

Echo (Author) 

 

Gnu (GN): a leaper combining Camel (1/3,3/1) and Knight.  

Kоko Chess (Contact Chess): a move is legal only if the arrival square is adjacent to any piece, this applies also to the capture of King. 
 

Comments  

 
+1 #1 seetharaman 2013-04-21 11:49
Koko chess: I think the correct definition is that the arrival square is restricted (by being adjacent to another piece), not the departure square. Please note as per the definition given now, 1...GNb7 is a check and castling is not permissible.
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0 #2 Diyan Kostadinov 2013-04-21 16:06
Oh, Ram, of course in Koko chess the arrival square should be adjacent to another unit. It was just translation mistake by me. It's corrected. Thanks!
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