diff --git a/README.md b/README.md
index 8ac9be2..a9bbd1e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # gnuchess
 
+GNU Chess lets most modern computers play a full game of chess.
+It has a plain terminal interface but supports visual interfaces such as X-Windows "xboard".
+
diff --git a/book_1.01.pgn.gz b/book_1.01.pgn.gz
new file mode 100644
index 0000000..6b8070a
Binary files /dev/null and b/book_1.01.pgn.gz differ
diff --git a/gnuchess-5.07-input_thread.patch b/gnuchess-5.07-input_thread.patch
new file mode 100644
index 0000000..f65669c
--- /dev/null
+++ b/gnuchess-5.07-input_thread.patch
@@ -0,0 +1,12 @@
+Index: src/input.c
+--- src/input.c.orig	2003-07-01 19:06:43 +0200
++++ src/input.c	2005-10-14 11:46:35 +0200
+@@ -92,7 +92,7 @@
+   fgets(inputstr, MAXSTR, stdin);
+ }
+ 
+-static pthread_t input_thread;
++pthread_t input_thread;
+ 
+ /* Mutex and condition variable for thread communication */
+ 
diff --git a/gnuchess.spec b/gnuchess.spec
new file mode 100644
index 0000000..f0295cd
--- /dev/null
+++ b/gnuchess.spec
@@ -0,0 +1,95 @@
+%define        book_version 1.01
+Name:          gnuchess
+Version:       6.1.1
+Release:       1mamba
+Summary:       GNU Chess lets most modern computers play a full game of chess
+Group:         Applications/Games
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.gnu.org/software/chess/
+Source:        http://ftp.gnu.org/pub/gnu/chess/%{name}-%{version}.tar.gz
+Source1:       http://ftp.gnu.org/pub/gnu/chess/book_%{book_version}.pgn.gz
+Patch0:        %{name}-5.07-input_thread.patch
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libncurses-devel
+BuildRequires: libreadline-devel
+## AUTOBUILDREQ-END
+Requires(post): %{__install_info}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-buildroot
+
+%description
+GNU Chess lets most modern computers play a full game of chess.
+It has a plain terminal interface but supports visual interfaces such as X-Windows "xboard".
+
+%prep
+%setup -q
+#%patch0
+gunzip -c %{SOURCE1} > book.pgn
+
+%build
+%configure
+%make
+
+# compile book
+./src/gnuchess xboard << EOF
+book add book.pgn
+quit
+_EOF
+
+%install
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+%makeinstall
+install -D book.pgn %{buildroot}%{_datadir}/games/gnuchess/book.pgn
+
+%find_lang %{name}
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+
+%post
+%install_info %{name}.info
+
+%preun
+%uninstall_info %{name}.info
+exit 0
+
+%files -f %{name}.lang
+%defattr(-,root,root)
+%{_bindir}/gnuchess
+%{_bindir}/gnuchessu
+%{_bindir}/gnuchessx
+%{_datadir}/gnuchess/smallbook.bin
+%{_datadir}/gnuchess/gnuchess.ini
+%{_datadir}/games/gnuchess/book.pgn
+%{_infodir}/gnuchess.info*
+%doc AUTHORS COPYING
+# ChangeLog INSTALL NEWS README TODO
+
+%changelog
+* Tue Nov 26 2013 Automatic Build System <autodist@mambasoft.it> 6.1.1-1mamba
+- automatic version update by autodist
+
+* Tue Nov 12 2013 Automatic Build System <autodist@mambasoft.it> 6.1.0-1mamba
+- automatic version update by autodist
+
+* Mon Oct 21 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.3-2mamba
+- fixed the opening book generation
+
+* Thu Mar 14 2013 Automatic Build System <autodist@mambasoft.it> 6.0.3-1mamba
+- automatic version update by autodist
+
+* Wed Jun 13 2012 Automatic Build System <autodist@mambasoft.it> 6.0.2-1mamba
+- update to 6.0.2
+
+* Wed Jun 15 2011 Automatic Build System <autodist@mambasoft.it> 6.0.0-1mamba
+- automatic update by autodist
+
+* Wed Apr 02 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 5.07-2mamba
+- specfile updates
+- added opening book in /usr/share/gnuchess
+
+* Thu Nov 25 2004 Davide Madrisan <davide.madrisan@qilinux.it> 5.07-1qilnx
+- package created by autospec