Re: Error in the game of chess

Adrian Petrescu <[email protected]> Wed, 3 Jan 2018 12:11:40 -0500
Newsgroups gmane.comp.gnu.xboard.devel
Message-ID <[email protected]>
Indeed, that is gnome-chess (https://wiki.gnome.org/Apps/Chess), and the 
engine is playing an en-passant move 
(https://en.wikipedia.org/wiki/En_passant)

-- 
                   Adrian