There's an article in Wikipedia about this:
http://en.wikipedia.org/wiki/Scachs_d%27amor
And see the article on Scandinavian Defense
http://en.wikipedia.org/wiki/Scandinavian_opening
for the date (1475). Since this is a work of fiction, this may not be a "real" game. There is a recorded game from 1490 mentioned at
http://www.geocities.com/siliconvalley/lab/7378/early.htm
What is the earliest ever recorded chess game?
Just wondering....I tried searching in google but no luck.....