 There also exist non-complete sets of pieces – soldiers, king, and third piece types – which date back to the 1800s.Michaelsen and Borvo argue that the introduction of the king into this relative of tâb could have been inspired by the Sámi board game tablut, which features a king piece shaped in a similar way to certain sáhkku king pieces.Likewise, Michaelsen speculates that the in some variants the third pieces may have been not queens but king's children inspired by the Sámi board game dablo which has such pieces.