xboard

Graphical user interface for chess
https://www.gnu.org/software/xboard/

Current versions
4.9.1
HEAD

Revision: 1

xboard requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
fairymax 4.8V AI for playing Chess variants
polyglot 2.0.4 Protocol adapter to run UCI engines under XBoard
gettext 0.19.8.1 GNU internationalization (i18n) and localization (l10n) library
cairo 1.14.12 Vector graphics library with cross-device output support
librsvg 2.40.19 Library to render SVG files using Cairo
gtk+ 2.24.31_1 GUI toolkit

Recent formula history

ilovezfs xboard: swap GNU url and mirror.
Viktor Szakats xboard: use secure head url
Mike McQuaid xboard: import from homebrew/games.

Formula code at GitHub