It might be interesting (and enlightening!) to compare the definitions of Pin and the related "Antipin" from recent issues of…
Dear Julia, Advance wishes for the 10th birthday of JF! Regarding the piece restrictions for the JT, I think they…
Leaving aside arguments about thematic validity, the idea is no doubt interesting. I seem to remember something like it was…
"Magicalness" is an attribute. So, strictly speaking, promotion to magic pieces can only happen with (already) magic pawns. But see…
Fairy Pieces with "attributes" like neutrality, paralysis, transparency, "chameleon-ness" are also ruled out, since promotions to such pieces can only…
The requirement of a "legal" position, where any fairy piece must have come about by promotion is interesting. This rules…
As noted in the FCCP, the properties of most conditions and boards can be applied to specific pieces to create…
Interesting idea: Initial castling is illegal and though the BR moves, castling is possible due to rebirth! The stipulations need…
Astonishing! More like a Picnic at Julia's Fairy Garden, than a a solving event! Some familiar faces. I wonder at…
Maybe the required code from Jacobi/Natch/Euclide could be grafted into Popeye?