pdated for developer release from 2012-02-12

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<h2>XBoard</h2>

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<p>XBoard is a graphical user interface for chess in all its major
forms, including international chess, xiangqi (Chinese chess),
shogi (Japanese chess) and Makruk, in addition to many minor variants such as
Losers Chess, Crazyhouse, Chess960 and Capablanca Chess. It displays a
chessboard on the screen, accepts moves made with the mouse, and loads
and saves games in Portable Game Notation (PGN). It serves as a
front-end for many different chess services, including:</p>
<ul>
<li>
Chess engines that will run on your machine and play a game against
you or help you analyze, such as GNU Chess, Crafty, or many
others.</li>

<li>Chess servers on the Internet, where you can connect to play chess
with people from all over the world, watch other users play, or just
hang out and chat.</li>

<li>Correspondence chess played by electronic mail. The CMail program
automates the tasks of parsing email from your opponent, playing his
moves out on your board, and mailing your reply move after you've
chosen it.</li>
</ul>
<p>XBoard runs on Unix and Unix-like systems that use the X Window
System. </p>

<h3>Winboard</h3>

<p>The project also includes a port to 32-bit Windows systems called
WinBoard.</p>

<p>You can find the download section for the stable version of Winboard at
the <a href="http://www.open-aurec.com/wbforum/viewforum.php?f=19">Winboard
Forum</a> or try the link to a beta-version in the <a href="#download">download section</a>.</p>

<p>Development for Winboard, reporting bugs and any other requests can
also be done at the same places as for XBoard (see below).</p>

<h3> What's new </h3>
<p> A summary of <a href="whats_new.html">What's new</a> for the latest, older and upcoming releases.</p>

<h3>Help needed</h3>

<p>We can always need more people to help out with XBoard/Winboard. Have a look at the following list in case you are interested:</p>

<h4>Translators </h4>
<p>We added support for different languages to XBoard and need people to translate it. The translation is handled by <a href="http://translationproject.org/html/welcome.html">the translation project</a>. You can check on the <a href="http://translationproject.org/domain/xboard.html">current status</a> and how to <a href="http://translationproject.org/html/translators.html">join the translation project</a>. </p>

<h4>Testers </h4>
<p> We are always looking for people who are willing to test the latest new features and give us feedback or new ideas. If you are interested, please send an email to our list at <a href="mailto:xboard-devel@gnu.org">&lt;xboard-devel@gnu.org&gt;</a> or just try out the program and reports bugs either to the email list or to the bug-tracker (see <a href="#download">below</a> for links).</p>

<h4>GTK developer needed</h4>
<p> We are also working on merging Winboard and XBoard back into one version using a cross platform GTK-front end. This will help us clean up the code and make things like internationalization easier. We made some progress, if you know want to help out there are still lots of things waiting to be done. Email the <a href="mailto:xboard-devel@gnu.org">mailing list</a> for more information. </p>

<h4>EPD test-suite capability</h4>
<p>A sort of match mode where one engine automatically does a number of 'games',
(using a position file filled with EPDs as starting positions),
except that each 'game' lasts only for one move, and the 'result' is then computed
by XBoard depending on if this move was the correct solution specified in the EPD.</p>

<h4>Multi-board ICS mode</h4>
<p>Implement a slave mode where XBoard forks itself, connecting a pipe between
what normally would be the ICS socket of the child, and a new output channel
of the parent, so that the parent can forward board and move lists belonging to
a specific game to the slave dedicated to display it.</p>

<h4>Update the documentation</h4>
<p>The documentation could need some updates. In our effort to merge
Winboard and XBoard back together, we also want to merge the RTF file
back into the XBoard texinfo file.  This will take some effort though,
since the two versions still differ in several areas and this would
need to be highlighted. The benefit would be though that we could
prepare a much better and up to date Windows documentation.
</p>

<h4>Update the webpage</h4>
<p>The content of the webpage could be updated with screenshots from
the latest version. We also have a new tutorial that could be
integrated. The webpage should also be integrated with git, so that
all developers have access to it.</p>

<h3><a name="download"></a>Downloading XBoard</h3>

<h4>stable version</h4>

<p>The current stable version is: <a href="ftp://ftp.gnu.org/gnu/xboard/">4.5.3a</a></p>

<p>It can be found on the main GNU ftp server:
<a href="http://ftp.gnu.org/gnu/xboard/">http://ftp.gnu.org/gnu/xboard/</a> (via http) and
<a href="ftp://ftp.gnu.org/gnu/xboard/">ftp://ftp.gnu.org/gnu/xboard/</a> (via ftp).</p>

<p>It can also be found on one of the <a href="/prep/ftp.html">mirrors
of ftp.gnu.org</a>;
please <a href="http://ftpmirror.gnu.org/xboard">use a mirror</a> if
possible.</p>

<p>Precompiled versions are available
for <a href="http://download.opensuse.org/repositories/openSUSE:/Factory:/Contrib/">openSUSE</a>
and <a href="http://packages.debian.org/squeeze/xboard">debian-squeeze</a>
(if you know of other distribution that package it, please let us
know).</p>

<h4>development version</h4>

<p>It would be great if people would like to help in the developing process. We can use all kinds of help, from people who just use the software and have a feature request (send them to developer mailing list), to people who can update/check the documentation and especially people who test development versions (send problems to the developer mailing list). </p>

<p>At the <a href="http://download.opensuse.org/repositories/home:/apersaud:/xboard">Open Build Server</a> we provide packages that can be installed in parallel to the normal xboard version. To do this the programs are renamed to xboardnext (latest from the v4.6.x branch in git) and xboardgit (latest version from the master branch in git). Packages are available for: Debian 6.0, Fedora 14, Fedora 15, Mandriva 2010, Mandriva 2010.1, RedHat RHEL 5, RedHat RHEL 6, opensuse 11.3, opensuse 11.4, opensuse Tumbleweed, opensuse Factory, Ubunut 10.10, Ubuntu 11.04.</p>

<p> Windows builds of development version can be found at <a href="http://hgm.nubati.net/ ">HGM's web page</a>.

<p>Furthermore we provide two development versions (tagged commits in git):</p>

<ul>
<li>A snapshot of the v4.6.x branch (a few commits behind the build server packages mentioned above): <a href="ftp://alpha.gnu.org/gnu/xboard/"> 4.6.0.20120212 </a> <br />
This is a release candidate for version 4.6.0. <a href="http://packages.debian.org/experimental/xboard">Debian packages</a> of these tar-balls are available.
</li>
<li>A snapshot of the master branch: <a href="ftp://alpha.gnu.org/gnu/xboard/"> master-20120212 </a>. <br />
The master branch includes the development for v4.6.x and also has some more experimental features that need more testing and/or debugging. Precompiled packaged versions are available for <a href="http://packages.debian.org/experimental/xboard">debian</a> and <a href="http://hgm.nubati.net/WinBoard-4.5TM.exe ">Windows</a>. More current versions from the master branch can be downloaded via git or from the Open Build Server (see above).
</li>
<li> New GTK branch in git (no developer release available yet). </li>
</ul>

<h5>How to build the development version</h5>

<h6>git version</h6>
<p> After cloning the git-repository, run ./autogen.sh, ./configure and then make and make install.</p>

<h6>tar-balls</h6>
<p> Unpack the tar ball and do ./configure followed by make and make install.</p>


<p>For development sources and other information, please see
the <a href="http://savannah.gnu.org/projects/xboard/">XBoard project
page</a> at <a href="http://savannah.gnu.org">savannah.gnu.org</a>.</p>

<p>A snapshot of the latest source code for all branches is available at
the <a href="http://git.savannah.gnu.org/cgit/xboard.git">git
repository</a> on Savannah.</p>

<h4>archive</h4>

<p>You can also find an archive of old versions on <a href="ftp://ftp.gnu.org/old-gnu/xboard/">the ftp server</a>.</p>

<h3>Documentation</h3>

<p><a href="manual/">Documentation for XBoard</a> is available online,
as is <a href="/manual/">documentation for most GNU software</a>.  You
may also find more information about XBoard by
running <em>info&nbsp;xboard</em> or <em>man&nbsp;xboard</em>, or by
looking at <em>/usr/doc/xboard/</em>,
<em>/usr/local/doc/xboard/</em>, or similar directories on your system.</p>

<p>The Chess Engine Communication Protocol can be found <a href="engine-intf.html">here</a>.</p>

<h3>Screenshots</h3>

<p>These are screenshots taken from version 4.4.0 (click to enlarge).</p>
<a href="graphics/xboard-4.4.0.png"><img src="graphics/xboard-4.4.0.png" alt=" [screenshot normal game] " height="200" /></a>
<a href="graphics/xboard-4.4.0-variant.png"><img src="graphics/xboard-4.4.0-variant.png" alt=" [screenshot bughouse game] " height="200" /></a>
<a href="graphics/xboard-4.4.0-showgi.png"><img src="graphics/xboard-4.4.0-showgi.png" alt=" [screenshot bughouse game] " height="200" /></a>
<a href="graphics/xboard-4.4.0-petite.png"><img src="graphics/xboard-4.4.0-petite.png" alt=" [screenshot bughouse game] " height="200" /></a>
<a href="graphics/xboard-4.4.0-XQ.png"><img src="graphics/xboard-4.4.0-XQ.png" alt=" [screenshot bughouse game] " height="200" /></a>

<h3>Links</h3>

<ul>
  <li> XBoard/Winboard
    <ul>
      <li> <a href="http://www.tim-mann.org/chess.html">Tim's original pages</a> are still available.</li>
      <li> XBoard can also run engines that use the UCI protocol, with
        the aid of the Polyglot protocol adapter.  A new Polyglot
        version, (1.4.30b), especially adapted to support the new
        features of XBoard 4.4.0, can be
        found <a href="http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release/">here</a>.</li>
    </ul>
  </li>
  <li> Incomplete list of computer engines that work with XBoard
    <ul>
      <li><a href="http://www.gnu.org/software/chess/">GNU chess</a></li>
      <li><a href="http://home.hccnet.nl/h.g.muller/CVfairy.html">Fairy-Max</a></li>
      <li><a href="http://wbec-ridderkerk.nl/html/lastupdates.htm">A list with lots of engines</a></li>
      <li><a href="http://home.hccnet.nl/h.g.muller/XQ.html">List of Xiangqi engines</a></li>
      <li> other popular engines are crafty, phalanx, fruit, toga2, glaurung, ... </li>
    </ul>
  </li>
  <li> Chess server you can connect to using XBoard
    <ul>
      <li> <a href="http://www.freechess.org"> Free Internet Chess Server (FICS) </a></li>
      <li> <a href="http://www.chessclub.com/"> The Internet Chess Club </a> </li>
    </ul>
  </li>
  <li> Other interfaces
    <ul>
      <li> <a href="http://www.bergo.eng.br/eboard/">eboard</a> </li>
    </ul>
  </li>
</ul>

<h3>Frequently Asked Question(FAQ)</h3>

<p>If you have any questions, please check out our <a href="FAQ.html">FAQ</a>.</p>


<h3>Mailing Lists and Discussion Forums</h3>

<h4>mailing lists</h4>

<p>XBoard has two mailing lists:
<a href="mailto:bug-xboard@gnu.org">&lt;bug-xboard@gnu.org&gt;</a> and
<a href="mailto:xboard-devel@gnu.org">&lt;xboard-devel@gnu.org&gt;</a>.</p>

<p>The main discussion list is
<a href="mailto:xboard-devel@gnu.org">&lt;xboard-devel@gnu.org&gt;</a>,
and is used to discuss most aspects of XBoard, including development
and enhancement requests. Please send bug reports
to <a href="mailto:bug-xboard@gnu.org">&lt;bug-xboard@gnu.org&gt;</a>.</p>

<p>Announcements about XBoard and most other GNU software are made on
<a href="mailto:info-gnu@gnu.org">&lt;info-gnu@gnu.org&gt;</a>.</p>

<p>To subscribe to these or any GNU mailing lists, please send an empty
mail with a Subject: header of just <tt>subscribe</tt> to the relevant
-request list.  For example, to subscribe yourself to the GNU
announcement list, you would send mail to <a
href="mailto:info-gnu-request@gnu.org?Subject=subscribe">&lt;info-gnu-request@gnu.org&gt;</a>.
Or you can use the <a
href="http://lists.gnu.org/mailman/listinfo/info-gnu">mailing list web
interface</a>.</p>

<h4>discussion forums</h4>

<p>A very active forum is the <a href="http://www.open-aurec.com/wbforum/">WinBoard Forum</a> (where our current main developer HGM can be found).</p>

<h3>Reporting Bugs and Requesting New Features</h3>

<p> If you think you found a bug, please check the <a href="http://savannah.gnu.org/bugs/?group=xboard">bugtracker</a> for open and already closed bugs. If you found a new bug, please, file a bug-report either via our bug-related email list or in the <a href="http://savannah.gnu.org/bugs/?group=xboard">bugtracker</a>.

<p> For feature requests, please use our mailinglist: <a href="mailto:xboard-devel@gnu.org">&lt;xboard-devel@gnu.org&gt;</a>.</p>

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-<h3>Translating XBoard</h3>

<p>To translate XBoard's messages into other languages, please see the <a
href="http://translationproject.org/domain/xboard.html">Translation Project
page for XBoard</a>.  If you have a new translation of the message strings,
or updates to the existing strings, please have the changes made in this
repository.  Only translations from this site will be incorporated into
XBoard.  For more information, see the <a
href="http://translationproject.org/html/welcome.html">Translation
Project welcome page</a>.
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<p>Please remember that development of XBoard, and GNU in general, is a
volunteer effort, and you also can contribute. For information, please
read <a href="/help/">How to help GNU</a>.</p>


<h3 id="license">Licensing</h3>

<p>XBoard
is free software; you can redistribute it and/or modify it under the
terms of the <a href="http://www.gnu.org/licenses/gpl.html"
rel="license">GNU General Public License</a> as published by the Free
Software Foundation; either version&nbsp;3 of the License, or (at your
option) any later version.</p>

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<p>Please send general FSF &amp; GNU inquiries to
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There are also <a href="/contact/">other ways to contact</a>
the FSF.<br />
Please send broken links and other corrections or suggestions to
<a href="mailto:bug-xboard@gnu.org">&lt;bug-xboard@gnu.org&gt;</a>.</p>

<p>Please see the <a
href="/server/standards/README.translations.html">Translations
README</a> for information on coordinating and submitting translations
of this article.</p>

<p>Copyright &copy; 2009, 2010, 2011, 2012 Free Software Foundation, Inc.</p>

<p>This page is licensed under a <a rel="license"
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<p>Updated:
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