The participants in Andernach this year found the description by Popeye maestro Thomas Maeder helpful: After each move, you check…
The basic mechanism is indeed simple and well-known: it has been known under the German name "Kontrawechsel" since 1938, and…
Thanks Geoff - so “evade hostile observation” has to be taken in the orthodox way. Maybe this fact should be…
No, since in a) the black queen doesn't deliver the check, the black king does.
Popeye's "help anymove" command is very useful for answering such questions. In this case the code is: stipulation h~1 pieces…
Is "evade hostile observation" orthodox or fairy? I mean in the position w: Pb5c5 b: Pa6a7 Qh1, white on move…
Shift bishop to c1, white pawn not necessary
Dont worry Bala, the paradox of mutual capture of white pieces is so obvious, that no explanation will be needed…
Dear Julia, Sorry. The following comment may kindly be added if possible. "Zilahi with original white piece capturing the other…
Are half-neutral pieces allowed in section c)?