chessiten.
Origin: Formed within English, by derivation. Etymons: chess n.1, -ite suffix1.
Etymology: < chess n.1 + -ite suffix1.Previous versions of the OED give the stress as: ˈchessite.
1834 40 83 The airs of superiority the chessites assume over us poor backgammonists.
This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2022).