Anonymous wrote on Mon, Sep 16, 2002 08:32 AM UTC:
My s[w]eeping switchers army for chess with different
armies features three pieces with assymetric retreat.
All of them are bent riders: The panda (aka slip rook),
the erl queen (aka slip queen) and the unicorn.
Another one is the mao (xiangi horse) which is not a bent
rider.
--Jörg Knappen