You Have to Play This 1,600-Year-Old Viking War Game
medium.com/war-is-boring/you-have-to-play-this-1-600-year-old-viking-war-game-cef088ae4e2d
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
At first glance, Hnefatafl (prounounced nef-ah-tah-fel) might just look like a knock-off version of chess with Norse helms and impressive beards, but the game is at least 600 years olderalready well-known by 400 A.D.and is perhaps a lot more relevant to the conflicts of the 21st century.