http://www.grantland.com/story/_/id/8362701/the-evolution-cheating-chess
Interesting, you know that Smiley was a spy created by john le carré. Some of the titles are :
- the spy that came in from the cold
- the honourable schoolboy
Both titles could be linked to the main character of this article...
sidenote: the title of that book is the earliest known use of the phrase "come in from the cold" in print.
if i had to guess, i'd say he copied the enotate screens and layed them over the fritz engine.
http://www.grantland.com/story/_/id/8362701/the-evolution-cheating-chess