latruncularius
From LSJ
Ἐλεεινότατόν μοι φαίνετ' ἀτυχία φίλου → Miseria amici mihi suprema est miseria → Am meisten Mitleid, scheint's, heischt eines Freundes Leid
Latin > English (Lewis & Short)
lā̆truncŭlārĭus: a, um, adj. latrunculus,
I of or belonging to draughts or chess: tabula, a chess-board, Sen. Ep. 117, 30.