The link below is to an article I wrote for the Dorothy Dunnett Society's publication
Whispering Gallery. The article is titled "Blyth Spirit: Unlocking Jerott's Innermost Door," and it sprang from
Checkmate, Part III, Chapter 2.
Be forewarned that if you have not read
Checkmate, this article will be filled with
SPOILERS. If you don't know who Jerott Blyth is, this article is definitely a spoiler fest!