This is the source code for Apple's Chess.app Version 2.1, as shipped
in MacOS X 10.4 "Tiger". This project consists of two components:
The Chess engine, "sjeng", and the graphical frontend.

"sjeng", contained in the "sjeng" subdirectory, is distributed under the
terms of the GNU General Public License. See sjeng/COPYING for
details.

The graphical frontend, i.e., all files not in the "sjeng"
subdirectory (including files derived from glChess which Apple has
permission to relicense under the following terms), are distributed
under the terms of the Apple Sample Code License:

   IMPORTANT: This Apple software is supplied to you by Apple Computer,
   Inc.  ("Apple") in consideration of your agreement to the following
   terms, and your use, installation, modification or redistribution of
   this Apple software constitutes acceptance of these terms.  If you do
   not agree with these terms, please do not use, install, modify or
   redistribute this Apple software.
   
   In consideration of your agreement to abide by the following terms,
   and subject to these terms, Apple grants you a personal, non-exclusive
   license, under Apple's copyrights in this original Apple software (the
   "Apple Software"), to use, reproduce, modify and redistribute the
   Apple Software, with or without modifications, in source and/or binary
   forms; provided that if you redistribute the Apple Software in its
   entirety and without modifications, you must retain this notice and
   the following text and disclaimers in all such redistributions of the
   Apple Software.  Neither the name, trademarks, service marks or logos
   of Apple Computer, Inc. may be used to endorse or promote products
   derived from the Apple Software without specific prior written
   permission from Apple.  Except as expressly stated in this notice, no
   other rights or licenses, express or implied, are granted by Apple
   herein, including but not limited to any patent rights that may be
   infringed by your derivative works or by other works in which the
   Apple Software may be incorporated.
   
   The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
   MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND
   FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS
   USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
   
   IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT,
   INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
   REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE,
   HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING
   NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
