Unicode proposal for heterodox chess piecesArchived 2017-07-24 at the Wayback Machine. Quotes: "Most fairy pieces are conventionally represented by rotating the standard chess piece symbols." (p. 1); "Unlike the standard upright symbols, which always correspond to the orthodox pieces, there is no strict one-to-one correspondence between rotated symbols and particular piece types: the number of fairy pieces in use is uncountable, and the number of possible pieces is infinite. Instead, rotated symbols are assigned to pieces as needed, and the composer has wide latitude in choosing which ones they feel are appropriate, with only a few very common ones fixed by convention..." (p. 2); "The use of distinct symbols for these pieces is more common among players of the aforementioned variants than among problem enthusiasts" (p. 6).
Unicode proposal for heterodox chess piecesArchived 2017-07-24 at the Wayback Machine. Quotes: "Most fairy pieces are conventionally represented by rotating the standard chess piece symbols." (p. 1); "Unlike the standard upright symbols, which always correspond to the orthodox pieces, there is no strict one-to-one correspondence between rotated symbols and particular piece types: the number of fairy pieces in use is uncountable, and the number of possible pieces is infinite. Instead, rotated symbols are assigned to pieces as needed, and the composer has wide latitude in choosing which ones they feel are appropriate, with only a few very common ones fixed by convention..." (p. 2); "The use of distinct symbols for these pieces is more common among players of the aforementioned variants than among problem enthusiasts" (p. 6).
