Authors of GNU Chess

  Copyright (C) 2001-2017 Free Software Foundation, Inc.

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

The following contributions warranted legal paper exchanges with the
Free Software Foundation.  See also the ChangeLog and THANKS files.

Antonio Ceballos <aceballos@gmail.com>
Chua Kong Sian <kongsian@yahoo.com>
David A. Wheeler <dwheeler@dwheeler.com>
Elvis Vasconcelos <elvisvasc2@gmail.com>
Fabien Letouzey <fabien_letouzey@hotmail.com>
John Stanback <john@stanback.net>
Lukas Geyer <lukas@debian.org>
Pranav Deshpande <deshpande.v.pranav@gmail.com>
Simon Waters <simon-gnu@technocool.net>
Stuart Cracraft <cracraft@stanfordalumni.org>, <smcracraft@me.com>