Thank you for pointing that out, Manfred! We will replace "two opposite-colour units observing one another" with "a unit observes/is…
Thank you, Torsten! Two matching Q/K Indians, and 4x+1 "Love Chase" tries and key! I'll slip in the haiku made…
Some fairy pieces could never have come about by promotion. For example, White Equihoppers or Alfils on odd-numbered ranks. Also,…
Tadashi Wakashima has confirmed over Twitter that he is indeed the inventor! Thanks to "antilles" for posting the question!
Kostas Prentos has kindly informed us that he is not the inventor of the fairy condition "half-check", as mentioned in…
As members of the Chess problems and studies Discord server are aware, Reto has been quietly developing and testing this…
Walter, We are happy to welcome you to the project. Please send a test mail to nshram at gmail dot…
Joost, Thank you! What you are referring to is an attribute. Quoting from Maryan's recent document: "...an attribute is simply…
Thanks for your interest, Walter! Though we have covered more than 90% of the elements supported by Popeye and a…
See the first images from the JWST released today by NASA: https://webbtelescope.org/news/first-images/gallery