[bombcar]

There's also Pratchet's Thud which is similar to Hnefatafl but has no king piece: https://boardgamegeek.com/boardgame/4532/thud

(Asymmetrical game fans should also look at Ogre https://boardgamegeek.com/boardgame/5206/ogre - one advantage of asymmetrical games is it is very easy to handicap by adding or removing pieces from the side that is "weaker/more numerous")