sjaakii(6) on Linux
The text 981c1ddb8ef8, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
xboard-compatible chess and chess-variant engine 'SjaakII'
Flags it lists
-
-log -
-newlog -
-no_user_variants -
-ucci -
-uci -
-usi -
-variant -
-xboard