British Chess Problem Society is considered the oldest chess problem society in the world. The inaugural meeting of the British Chess Problem Society...

who published a chess problem using the rules in The Problemist (the magazine of the British Chess Problem Society) in 1975. Patrol chess has often been...

A fairy chess piece, variant chess piece, unorthodox chess piece, or heterodox chess piece is a chess piece not used in conventional chess but incorporated...

741,823). The problem appears in different stories about the invention of chess. One of them includes the geometric progression problem. The story is...

Problemist Fairy Chess Supplement. These were published by the British Chess Problem Society (BCPS) as an offshoot of their magazine The Problemist which...

bimonthly chess problem magazine which has been in publication since January 1926. It originally had the subtitle "Proceedings of the British Chess Problem Society"...

Beasley, John D., ed. (January 2010). "Grand Chess". Variant Chess. Vol. 8, no. 63. British Chess Variants Society. pp. 142–44. ISSN 0958-8248. Gardner, Tony...

"Threemovers". British Chess Problem Society. Hooper & Whyld, p. 201. Jelliss, George (2002). "A Guide to Variant Chess: Chess Problem Terms". Horton...

2015). The Soviet Chess Primer. Quality Chess. p. 377. ISBN 9781907982996. McDowell, Michael. "Threemovers". British Chess Problem Society. "Paul Morphy vs...

addition to orthodox chess. In the context of chess problems, chess variants are called heterodox chess or fairy chess. Fairy chess variants tend to be...