havannah (21feb15)

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+The havannah package defines macros for typesetting diagrams of board
+positions in the games of Havannah and Hex. It requires tikz.
+
+This material is subject to the LATEX Project Public License.
diff --git a/Master/texmf-dist/doc/latex/havannah/havannah.pdf b/Master/texmf-dist/doc/latex/havannah/havannah.pdf
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diff --git a/Master/texmf-dist/source/latex/havannah/havannah.dtx b/Master/texmf-dist/source/latex/havannah/havannah.dtx
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+% \iffalse
+%<*driver>
+
+\ProvidesFile{havannah.dtx}
+\documentclass{ltxdoc}
+\usepackage{havannah}
+\usepackage[scaled=0.92]{helvet}
+\usepackage{lstdoc}
+\usepackage{mathpazo}
+\usetikzlibrary{decorations.pathmorphing}
+\EnableCrossrefs
+\CodelineIndex
+\RecordChanges
+\begin{document}
+  \DocInput{havannah.dtx}
+  \PrintChanges
+  \PrintIndex
+\end{document}
+
+%</driver>
+% \fi
+%
+% \newcommand\package{\texttt}
+%
+% \title{The \LaTeX\ \package{havannah} package}
+% \author{Marcin Ciura\thanks{\texttt{mciura@gmail.com}}}
+% \date{2015-02-21}
+% \maketitle
+%
+% \begin{abstract}
+% The \package{havannah} package defines macros for typesetting
+% diagrams of board positions in the games of Havannah and Hex.
+% \end{abstract}
+%
+% \begin{center}
+% \begin{HavannahBoard}[board size=8,coordinate style=little golem]
+%   \HGame{
+%     i12,h13,l7,m4,h12,g12,g11,f11,f10,e10,i13,h14,i14,h15,e9,
+%     d9,a8,d8,e8,d7,d4,e6,f5,c4,h10,e7,c3,b3,b2,a2,a1,f8,g7,
+%     h9,i7,i9,i10,g9,k9,j7,j11,g10,j9,h11,j8,i8,k7,l8,k10,i11,
+%     k6,j6,l4,d5,m3,c6,c5,b6,a4,b7,c8,b8,c9,b9,c10,j5,n1,j4,
+%     l5,j3,m5,m6,n3,n4,o2,j2,o1}
+% \end{HavannahBoard}
+%
+% A Havannah game between Maciej Celuch and Mirko Rahn\\
+% played on \texttt{http://www.littlegolem.net} from 2009-07-05 to 2009-07-29
+% \end{center}
+%
+% \section{Usage}
+%
+% Put |\usepackage{havannah}| in the preamble of your document.
+%
+% This package defines four environments, three commands,
+% and several hooks that allow for the customization of its output.
+%
+% \DescribeEnv{HavannahBoard}
+% The |HavannahBoard| environment typesets a Havannah board.
+% It accepts the following keys:
+% \begin{itemize}
+% \item |board size|: an integer from 1 to 13, default: |10|,
+% \item |coordinate style|: |little golem |or| classical|,
+%   default: |classical|,
+% \item |hex height|: a length, default: |17.5pt|,
+% \item |show coordinates|: a Boolean, default: |true|,
+% \item |show hexes|: a Boolean, default: |true|.
+% \end{itemize}
+% Sample effects of setting these keys are shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=2]
+%    \end{HavannahBoard}
+%
+%    \begin{HavannahBoard}[board size=3]
+%    \end{HavannahBoard}
+%
+%    \begin{HavannahBoard}[board size=4]
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[board size=3,coordinate style=classical]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[
+%        board size=3,coordinate style=little golem,hex height=1cm]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[
+%        board size=3,coordinate style=little golem,show coordinates=false]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[
+%        board size=3,coordinate style=little golem,show hexes=false]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \DescribeEnv{HexBoard}
+% The |HexBoard| environment typesets a Hex board.
+% It accepts the following keys:
+% \begin{itemize}
+% \item |board size|: an integer from 1 to 26, default: 11,
+% \item |top left color|: either |white| or |black|,
+%   default: |black|,
+% \item |hex height|: a length, default: |17.5pt|,
+% \item |show coordinates|: a Boolean, default: |true|,
+% \item |show hexes|: a Boolean, default: |true|.
+% \end{itemize}
+% Sample effects of setting these keys are show below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=2]
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3]
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=4]
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=3]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3,
+%        top left color=white]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=3]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3,
+%        hex height=1cm]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=3]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3,
+%        show coordinates=false]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=3]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3,
+%        show hexes=false]
+%      \HGame{a3,c2}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \DescribeEnv{InnerHavannahBoard}
+% The |InnerHavannahBoard| environment typesets a Havannah board
+% inside a |tikzpicture| environment. It is useful for drawing
+% multiple diagrams in one picture.
+% In addition to the keys of |HavannahBoard|, it accepts the following keys:
+% \begin{itemize}
+% \item |prefix|: to be put before cell names.
+% \item |x|: the x coordinate of the lower corner of the board.
+% \item |y|: the y coordinate of the lower corner of the bowrd.
+% \end{itemize}
+% An example of its use is shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{tikzpicture}
+%      \begin{InnerHavannahBoard}[board size=4,prefix=A,x=0,y=0]
+%      \end{InnerHavannahBoard}
+%      \begin{InnerHavannahBoard}[board size=4,prefix=B,x=7cm,y=0]
+%      \end{InnerHavannahBoard}
+%      \draw (Ad4)..controls (Ae7) and (Bg5)..(Bd4);
+%      \HStoneGroup[color=white]{Ad4,Bd4}
+%    \end{tikzpicture}
+% \end{lstsample}}
+%
+% \DescribeEnv{InnerHexBoard}
+% The |InnerHexBoard| environment typesets a Hex board
+% inside a |tikzpicture| environment. It accepts the same set
+% of extra keys as |InnerHavannahBoard|: |prefix|, |x|, and |y|.
+%
+% \DescribeMacro{HLetterCordinates}
+% \DescribeMacro{HCoordinateStyle}
+% \DescribeMacro{HDrawHex}
+% You can use \cs{renewcommand} to redefine three hooks
+% that change the look and feel of |HavannahBoard| or |HexBoard|.
+% They are:
+% \begin{itemize}
+% \item \cs{HLetterCoordinates}: a comma-separated list, default:\\
+%   |{a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}|,
+% \item \cs{HCoordinateStyle}: a one-argument macro, default:\\
+%   |{\sffamily#1}|,
+% \item \cs{HDrawHex}: a |tikz| command, default:\\
+%   |{\shadedraw[shading=radial,inner color=gray!30,|\\
+%   |outer color=gray!70]}|. Note that the default shading is a heavy task
+%   for some printers so you might want to use a simpler command instead,
+%   for instance |\draw[fill=gray!35]|.
+% \end{itemize}
+% Sample results of redefining them are shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{d3,c2}
+%    \end{HavannahBoard}
+%    \renewcommand\HLetterCoordinates{1 ,2 ,3 ,4 ,5 }
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{4 3,3 2}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%    \end{HavannahBoard}
+%    \renewcommand\HCoordinateStyle[1]{\Large\bfseries#1}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%    \end{HavannahBoard}
+%    \renewcommand\HDrawHex{\draw[
+%      decorate,decoration={random steps,segment length=1pt}]}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \DescribeMacro{HGame}
+% The \cs{HGame} macro can only be used inside a
+% |HavannahBoard| or |HexBoard| environment.
+% It accepts the following keys:
+% \begin{itemize}
+% \item |first move label|: a text, default: |1|,
+% \item |first player|: either |white| or |black|, default:
+%   |white| inside |HavannahBoard| and |black| inside |HexBoard|.
+% \item |numbered moves|: a Boolean, default: |true|,
+% \item |relative stone size|: a number, default: |0.75|.
+% \end{itemize}
+% Their effects are shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame[first move label=S]{
+%        c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame[first player=black]{
+%        c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[board size=3]
+%      \HGame{b2,b1,c1,a3,b3}
+%    \end{HexBoard}
+%
+%    \begin{HexBoard}[board size=3,top left color=white]
+%      \HGame[first player=white]{
+%        b2,b1,c1,a3,b3}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame[numbered moves=false]{
+%        c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame[relative stone size=0.9]{
+%        c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \DescribeMacro{HStoneGroup}
+% The \cs{HStoneGroup} macro can only be used inside a
+% |HavannahBoard| or |HexBoard| environment.
+% It puts a group of stones of the same color on the board.
+% It accepts the following keys:
+% \begin{itemize}
+% \item |color|: |white|, |black|, or |transparent|,
+%   there is no default -- the value must be specified,
+% \item |label|: a text, default: empty string,
+% \item |relative stone size|: a number, default: |0.75|.
+% \end{itemize}
+% The effects of |color| and |label| are shown below.
+% The effect of |relative stone size| is the same as for
+% \cs{HGame} and will not be shown.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=6,coordinate style=little golem]
+%      \HStoneGroup[color=black,label=$\mathcal F$]{
+%        a5,b5,c5,d6,d7,d8,c8,e8,f8,g8,h7,i7,j7}
+%      \HStoneGroup[color=white,label=$\mathcal B$]{
+%        a1,b2,c3,d3,e3,e2,f2,f1}
+%      \HStoneGroup[color=transparent,label=$\mathcal R$]{
+%        h6,g6,g5,g4,h3,i2,j2,j3,j4,i5}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \DescribeMacro{HMoveNumberStyle}
+% \DescribeMacro{HWhiteStone}
+% \DescribeMacro{HBlackStone}
+% \DescribeMacro{HTransparentStone}
+% \DescribeMacro{HBeforeOddMove}
+% \DescribeMacro{HBeforeEvenMove}
+% \DescribeMacro{HBeforeStone}
+% There are five hooks that can be redefined via \cs{renewcommand}
+% to change the appearance of \cs{HGame} and \cs{HStoneGroup}.
+% They are:
+% \begin{itemize}
+% \item \cs{HMoveNumberStyle}: a one-argument macro,
+%   influences \cs{HGame}, default:\\
+%   |{\sffamily#1}|,
+% \item \cs{HWhiteStone}: a |tikz| command,
+%   influences \cs{HGame} and \cs{HStoneGroup}, default:\\
+%   |{\node[circle,draw,inner sep=0.6pt,fill=white,|\\
+%   |minimum size=\HStoneDiameter]}|,
+% \item \cs{HBlackStone}: a |tikz| command,
+%   influences \cs{HGame} and \cs{HStoneGroup}, default:\\
+%   |{\node[circle,draw,inner sep=0.6pt,fill=black,text=white|\\
+%   |minimum size=\HStoneDiameter]}|,
+% \item \cs{HTransparentStone}: a |tikz| command,
+%   influences \cs{HStoneGroup}, default:\\
+%   |{\node[circle,draw,inner sep=0.6pt,|\\
+%   |minimum size=\HStoneDiameter]}|,
+% \item \cs{HBeforeOddMove}, \cs{BeforeEvenMove}: macros expanded
+%   before placing stones, for example \cs{pause} when animating
+%   games in |beamer|, influence \cs{HGame}, default: |{}|,
+% \item \cs{HBeforeStone}: a macro expanded before placing stones,
+%   influences \cs{HStoneGroup}, default: |{}|.
+% \end{itemize}
+% Sample effects of redefining some of them are shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \renewcommand\HMoveNumberStyle[1]{\footnotesize\romannumeral#1}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HavannahBoard}[board size=3,coordinate style=little golem]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+%    \renewcommand\HDrawHex{\draw}
+%    \renewcommand\HWhiteStone{\node[
+%      circle,shading=ball,ball color=white,inner sep=0.6pt,
+%      minimum size=\HStoneDiameter]}
+%    \renewcommand\HBlackStone{\node[
+%      circle,shading=ball,ball color=black,inner sep=0.6pt,text=white,
+%      minimum size=\HStoneDiameter]}
+%    \begin{HavannahBoard}[board size=3]
+%      \HGame{c3,e1,e3,c2,a1,d3,c5,d4,c4,b2,a3,d2,b4}
+%    \end{HavannahBoard}
+% \end{lstsample}}
+%
+% \noindent\hrulefill
+%
+% \DescribeMacro{HHexGroup}
+% The \cs{HHexGroup} macro can only be used inside a
+% |HavannahBoard| or |HexBoard| environment.
+% It puts a group of hexes on the board,
+% which presumably is typeset with| show hexes=false|.
+% It is recommended to use it inside the |HexBoard| environment
+% due to the simplicity of its coordinate system.
+% It accepts the following keys:
+% \begin{itemize}
+% \item |label|: a text, default: empty string,
+% \end{itemize}
+% An example of its use is shown below.
+%
+% \vbox{\begin{lstsample}{}{}
+%    \begin{HexBoard}[
+%        board size=9,show coordinates=false,show hexes=false]
+%      \HHexGroup
+%        {a1,b1,c1,d1,e1,f1,g1,h1,a2,b2,c2,e2,f2,g2,a3,b3,c3,d3,e3,f3,b4,c4,d4}
+%      \draw [dotted] (a1)--(a2); \draw [dotted] (b1)--(a2);
+%      \draw [dotted] (c1)--(c2); \draw [dotted] (d1)--(c2);
+%      \draw [dotted] (e1)--(e2); \draw [dotted] (f1)--(e2);
+%      \draw [dotted] (g1)--(g2); \draw [dotted] (h1)--(g2);
+%      \draw [dotted] (c2)--(b3); \draw [dotted] (e2)--(e3);
+%      \draw [dotted] (a2)..controls(a3)..(b3);
+%      \draw [dotted] (a2)..controls(b2)..(b3);
+%      \draw [dotted] (g2)..controls(f3)..(e3);
+%      \draw [dotted] (g2)..controls(f2)..(e3);
+%      \draw [dotted] (b3)..controls(b4)..(c4);
+%      \draw [dotted] (b3)..controls(c3)..(c4);
+%      \draw [dotted] (e3)..controls(d4)..(c4);
+%      \draw [dotted] (e3)..controls(d3)..(c4);
+%      \HStoneGroup[color=black]{a,b,c,d,e,f,g,h,i,c4}
+%    \end{HexBoard}
+% \end{lstsample}}
+%
+% \StopEventually
+%
+% \section{Implementation}
+%    \begin{macrocode}
+%<*package>
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{havannah}[2010/06/06 LaTeX havannah package]
+\RequirePackage{tikz}
+%    \end{macrocode}
+%
+% The naming schema used in the \package{havannah} package
+% is \cs{HFooBar} for redefinable hooks,
+% and \cs{h@foo@bar} for internal macros.
+%
+% Start with defining default expansions for the hooks.
+%    \begin{macrocode}
+\newcommand\HLetterCoordinates{%
+  a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}
+\newcommand\HCoordinateStyle[1]{\sffamily#1}
+\newcommand\HMoveNumberStyle[1]{\sffamily#1}
+\newcommand\HDrawHex{\shadedraw[
+  shading=radial,inner color=gray!30,outer color=gray!70]}
+\newcommand\HWhiteStone{\node[
+  circle,draw=black,inner sep=0.6pt,fill=white,
+  minimum size=\HStoneDiameter]}
+\newcommand\HBlackStone{\node[
+  circle,draw=black,inner sep=0.6pt,fill=black,text=white,
+  minimum size=\HStoneDiameter]}
+\newcommand\HTransparentStone{\node[
+  circle,draw=black,inner sep=0.6pt,
+  minimum size=\HStoneDiameter]}
+\newcommand\HBeforeOddMove{}
+\newcommand\HBeforeEvenMove{}
+\newcommand\HBeforeStone{}
+%    \end{macrocode}
+%
+% The \cs{h@draw@hex} macro draws a hexagonal cell.
+% The cell is |3\h@one@third@hex@wd| wide and |2\h@half@hex@ht| high.
+% It has two horizontal and four slanted edges.
+% The \cs{h@draw@hex} macro takes one argument:
+% the coordinates of the center of the cell.
+% It uses the \cs{HDrawHex} hook to style the cell.
+%    \begin{macrocode}
+\newcommand{\h@draw@hex}[1]{%
+  \HDrawHex (#1)
+    ++(-2\h@one@third@hex@wd,0)--
+    ++(\h@one@third@hex@wd,-\h@half@hex@ht)--
+    ++(2\h@one@third@hex@wd,0)--
+    ++(\h@one@third@hex@wd,\h@half@hex@ht)--
+    ++(-\h@one@third@hex@wd,\h@half@hex@ht)--
+    ++(-2\h@one@third@hex@wd,0)--
+    cycle;
+}
+%    \end{macrocode}
+%
+% Define \package{pgfkeys} paths.
+%    \begin{macrocode}
+\newif\ifh@numbered@moves
+\newif\ifh@show@coordinates
+\newif\ifh@show@hexes
+\pgfkeys{%
+  /h@havannah@board/.cd,
+  board size/.store in=\hv@board@size,
+  coordinate style/.is choice,
+  coordinate style/classical/.code={%
+    \def\h@draw@board{\h@draw@classical@board}},
+  coordinate style/little golem/.code={%
+    \def\h@draw@board{\h@draw@little@golem@board}},
+  hex height/.store in=\h@hex@height,
+  prefix/.store in=\h@prefix,
+  show coordinates/.is if=h@show@coordinates,
+  show hexes/.is if=h@show@hexes,
+  x/.store in=\h@xx,
+  y/.store in=\h@yy,
+  board size=10,
+  coordinate style=classical,
+  hex height=17.5pt,
+  prefix=,
+  show coordinates=true,
+  show hexes=true,
+  x=0,
+  y=0,
+%
+  /h@hex@board/.cd,
+  top left color/.is choice,
+  top left color/white/.code={%
+    \def\h@top@left@color{\HWhiteStone}%
+    \def\h@bottom@left@color{\HBlackStone}%
+  },
+  top left color/black/.code={%
+    \def\h@top@left@color{\HBlackStone}%
+    \def\h@bottom@left@color{\HWhiteStone}%
+  },
+  board size/.store in=\hx@board@size,
+  hex height/.store in=\h@hex@height,
+  prefix/.store in=\h@prefix,
+  relative stone size/.store in=\h@relative@stone@size,
+  show coordinates/.is if=h@show@coordinates,
+  show hexes/.is if=h@show@hexes,
+  x/.store in=\h@xx,
+  y/.store in=\h@yy,
+  top left color=black,
+  board size=11,
+  hex height=17.5pt,
+  relative stone size=0.75,
+  show coordinates=true,
+  show hexes=true,
+%
+  /h@game/.cd,
+  first move label/.store in=\h@first@move@label,
+  first player/.is choice,
+  first player/white/.code={%
+    \def\h@odd@player{\HWhiteStone}%
+    \def\h@even@player{\HBlackStone}%
+  },
+  first player/black/.code={%
+    \def\h@odd@player{\HBlackStone}%
+    \def\h@even@player{\HWhiteStone}%
+  },
+  numbered moves/.is if=h@numbered@moves,
+  relative stone size/.store in=\h@relative@stone@size,
+  first move label=1,
+  numbered moves=true,
+  relative stone size=0.75,
+%
+  /h@stone@group/.cd,
+  color/.is choice,
+  color/white/.code={\def\h@player{\HWhiteStone}},
+  color/black/.code={\def\h@player{\HBlackStone}},
+  color/transparent/.code={\def\h@player{\HTransparentStone}},
+  label/.store in=\h@label,
+  relative stone size/.store in=\h@relative@stone@size,
+  relative stone size=0.75,
+%
+  /h@hex@group/.cd,
+  label/.store in=\h@label,
+}
+%    \end{macrocode}
+%
+% The |InnerHavannahBoard| environment first sets the values of
+% \cs{hv@board@size}, \cs{h@draw@board}, \cs{h@hex@height},
+% and \cs{h@show@coordinatestrue} or \cs{h@show@coordinatesfalse}.
+% Then it computes \cs{h@half@hex@ht}, \cs{h@one@third@hex@wd},
+% and \cs{h@board@diagonal}, and executes \cs{h@draw@board}.
+%    \begin{macrocode}
+\newcount\h@board@diagonal
+\newdimen\h@half@hex@ht
+\newdimen\h@one@third@hex@wd
+\newenvironment{InnerHavannahBoard}[1][]{%
+  \def\h@odd@player{\HWhiteStone}%
+  \def\h@even@player{\HBlackStone}%
+  \pgfqkeys{/h@havannah@board}{#1}%
+  \setlength\h@half@hex@ht{\h@hex@height}%
+  \divide\h@half@hex@ht by 2
+  \setlength\h@one@third@hex@wd{0.577350269\h@half@hex@ht}%
+  \h@board@diagonal=\hv@board@size
+  \multiply\h@board@diagonal by 2
+  \advance\h@board@diagonal by -1
+  \h@draw@board
+}
+%    \end{macrocode}
+%
+% There is nothing to be done at the end of |InnerHavannahBoard|.
+%    \begin{macrocode}
+{}
+%    \end{macrocode}
+%
+% The |HavannahBoard| environment just wraps |InnerHavannahBoard|
+% inside a |tikzpicture|.
+%    \begin{macrocode}
+\newenvironment{HavannahBoard}[1][]{%
+  \begin{tikzpicture}
+  \begin{InnerHavannahBoard}[#1,prefix=,x=0,y=0]
+}
+%    \end{macrocode}
+% Finally, |HavannahBoard| closes the |InnerHavannahBoard| and
+% |tikzpicture| environments.
+%    \begin{macrocode}
+{ \end{InnerHavannahBoard}
+  \end{tikzpicture}
+}
+%    \end{macrocode}
+%
+% The \cs{h@draw@classical@board} and \cs{h@draw@little@golem@board}
+% macros differ enough that a common routine would be of little help.
+% They both draw a rhombus of hexes with two corners cut.
+% The edges of adjacent hexes are drawn twice.
+%
+% The following counters are shared by both macros.
+%    \begin{macrocode}
+\newcount\h@l
+\newcount\h@a@corner
+\newcount\h@b@corner
+%    \end{macrocode}
+%
+% The \cs{h@draw@classical@board} macro is a bit simpler
+% than the other one.
+%    \begin{macrocode}
+\newcommand\h@draw@classical@board{%
+  \h@l=0
+  \h@b@corner=\hv@board@size
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \h@board@diagonal
+      \breakforeach
+    \else
+      \global\advance\h@b@corner by 1
+      \h@a@corner=\hv@board@size
+      \foreach \h@n in {1,...,\h@board@diagonal} {%
+        \global\advance\h@a@corner by 1
+        \ifnum \h@l < \h@a@corner
+        \ifnum \h@n < \h@b@corner
+          \coordinate (\h@prefix\h@letter\h@n) at
+            (\h@xx+3*\h@n\h@one@third@hex@wd-3*\h@l\h@one@third@hex@wd,
+             \h@yy+\h@n\h@half@hex@ht+\h@l\h@half@hex@ht);
+          \ifh@show@hexes
+            \h@draw@hex{\h@prefix\h@letter\h@n}%
+          \fi
+        \fi
+        \fi
+      }%
+      \ifh@show@coordinates
+        \ifnum \h@l < \hv@board@size\relax
+          \node at
+            (\h@xx-3*\h@l\h@one@third@hex@wd,\h@yy+\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \else
+          \node at
+            (\h@xx-3*\hv@board@size\h@one@third@hex@wd,
+             \h@yy+2*\h@l\h@half@hex@ht-\hv@board@size\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \fi
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\h@board@diagonal} {%
+      \ifnum \h@n < \hv@board@size
+        \node at
+          (\h@xx+3*\h@n\h@one@third@hex@wd,\h@yy+\h@n\h@half@hex@ht)
+          {\HCoordinateStyle{\h@n}};
+      \else
+        \node at
+          (\h@xx+3*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+2*\h@n\h@half@hex@ht-\hv@board@size\h@half@hex@ht)
+          {\HCoordinateStyle{\h@n}};
+      \fi
+    }%
+  \fi
+}
+%    \end{macrocode}
+%
+% The \cs{h@draw@little@golem@board} macro is more complicated
+% since the numbered rows in Little Golem change direction in the middle.
+%    \begin{macrocode}
+\newcommand\h@draw@little@golem@board{%
+  \h@a@corner=\hv@board@size
+  \h@b@corner=\hv@board@size
+  \multiply\h@b@corner by 3
+  \h@l=0
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \h@board@diagonal
+      \breakforeach
+    \else
+      \global\advance\h@a@corner by 1
+      \global\advance\h@b@corner by -1
+      \foreach \h@n in {1,...,\h@board@diagonal} {%
+        \ifnum \h@n < \h@a@corner
+        \ifnum \h@n < \h@b@corner
+          \ifnum \h@l < \hv@board@size
+            \coordinate (\h@prefix\h@letter\h@n) at
+              (\h@xx+3*\h@l\h@one@third@hex@wd,
+               \h@yy+2*\hv@board@size\h@half@hex@ht+
+               2*\h@n\h@half@hex@ht-\h@l\h@half@hex@ht);
+            \ifh@show@hexes
+              \h@draw@hex{\h@prefix\h@letter\h@n}%
+            \fi
+          \else
+            \coordinate (\h@prefix\h@letter\h@n) at
+              (\h@xx+3*\h@l\h@one@third@hex@wd,
+               \h@yy+2*\h@n\h@half@hex@ht+\h@l\h@half@hex@ht);
+            \ifh@show@hexes
+              \h@draw@hex{\h@prefix\h@letter\h@n}%
+            \fi
+          \fi
+        \fi
+        \fi
+      }
+      \ifh@show@coordinates
+        \ifnum \h@l < \hv@board@size
+          \node at
+            (\h@xx+3*\h@l\h@one@third@hex@wd,
+             \h@yy+2*\hv@board@size\h@half@hex@ht-\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \else
+          \node at
+            (\h@xx+3*\h@l\h@one@third@hex@wd,\h@yy+\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \fi
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\h@board@diagonal} {%
+      \ifnum \h@n < \hv@board@size
+        \node at
+          (\h@xx,
+           \h@yy+2*\h@n\h@half@hex@ht+
+           \h@board@diagonal\h@half@hex@ht+\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+        \node at
+          (\h@xx+3*\h@board@diagonal\h@one@third@hex@wd+
+           3*\h@one@third@hex@wd,
+           \h@yy+2*\h@n\h@half@hex@ht+
+           \h@board@diagonal\h@half@hex@ht+\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+      \else
+        \node at
+          (\h@xx+3*\h@n\h@one@third@hex@wd-
+           3*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+\h@n\h@half@hex@ht+3*\hv@board@size\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+        \node at
+          (\h@xx-3*\h@n\h@one@third@hex@wd+
+           9*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+\h@n\h@half@hex@ht+3*\hv@board@size\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+      \fi
+    }%
+  \fi
+}
+%    \end{macrocode}
+%
+% The |InnerHexBoard| environment is similar to |InnerHavannahBoard|
+% but simpler, as it typesets an entire cross-product of coordinates,
+% without cutting the corners.
+%    \begin{macrocode}
+\newenvironment{InnerHexBoard}[1][]{%
+  \def\h@odd@player{\HBlackStone}%
+  \def\h@even@player{\HWhiteStone}%
+  \pgfqkeys{/h@hex@board}{#1}%
+  \tracingcommands=1
+  \setlength\h@half@hex@ht{\h@hex@height}%
+  \divide\h@half@hex@ht by 2
+  \setlength\h@one@third@hex@wd{0.577350269\h@half@hex@ht}%
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \h@l=0
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \hx@board@size
+      \breakforeach
+    \else
+      \foreach \h@n in {1,...,\hx@board@size} {%
+        \coordinate (\h@letter\h@n) at
+          (3*\h@l\h@one@third@hex@wd+3*\h@n\h@one@third@hex@wd,
+           \h@l\h@half@hex@ht-\h@n\h@half@hex@ht);
+        \ifh@show@hexes
+          \h@draw@hex{\h@letter\h@n}%
+        \fi
+      }%
+      \coordinate (\h@letter) at
+        (3*\h@l\h@one@third@hex@wd,
+         2\h@half@hex@ht-2\h@half@hex@ht+\h@l\h@half@hex@ht);
+      \coordinate (-\h@letter) at
+        (3*\hx@board@size\h@one@third@hex@wd+
+         3\h@one@third@hex@wd+3*\h@l\h@one@third@hex@wd,
+         -\hx@board@size\h@half@hex@ht-
+         \h@half@hex@ht+\h@l\h@half@hex@ht);
+      \ifh@show@coordinates
+        \h@top@left@color at (\h@letter)
+          {\HCoordinateStyle{\h@letter}};
+        \h@top@left@color at (-\h@letter)
+          {\HCoordinateStyle{\h@letter}};
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\hx@board@size} {%
+      \coordinate (\h@n) at
+        (3*\h@n\h@one@third@hex@wd,-1*\h@n\h@half@hex@ht);
+      \coordinate (-\h@n) at
+        (3*\hx@board@size\h@one@third@hex@wd+3\h@one@third@hex@wd+
+         3*\h@n\h@one@third@hex@wd,
+         \hx@board@size\h@half@hex@ht+\h@half@hex@ht-\h@n\h@half@hex@ht);
+      \h@bottom@left@color at (\h@n)
+        {\HCoordinateStyle{\h@n}};
+      \h@bottom@left@color at (-\h@n)
+        {\HCoordinateStyle{\h@n}};
+    }%
+  \fi
+}
+{}
+%    \end{macrocode}
+%
+% The |HexBoard| environment just wraps |InnerHexBoard|
+% inside a |tikzpicture|.
+%    \begin{macrocode}
+\newenvironment{HexBoard}[1][]{%
+  \begin{tikzpicture}
+  \begin{InnerHexBoard}[#1,prefix=,x=0,y=0]
+}
+%    \end{macrocode}
+% Finally, |HexBoard| closes the |InnerHexBoard| and
+% |tikzpicture| environments.
+%    \begin{macrocode}
+{ \end{InnerHexBoard}
+  \end{tikzpicture}
+}
+%    \end{macrocode}
+%
+% The \cs{HGame} macro
+%    \begin{macrocode}
+\newcount\h@move@number
+\newdimen\HStoneDiameter
+\newcommand\HGame[2][]{%
+  \pgfqkeys{/h@game}{#1}%
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \h@move@number=0
+  \ifh@numbered@moves
+    \def\h@label{\HMoveNumberStyle{\h@first@move@label}%
+      \global\def\h@label{\HMoveNumberStyle{\the\h@move@number}}}
+  \else
+    \def\h@label{}
+  \fi
+  \foreach \h@coord in {#2} {%
+    \global\advance\h@move@number by 1
+    \ifodd\h@move@number
+      \HBeforeOddMove
+      \h@odd@player at (\h@coord) {\h@label};
+    \else
+      \HBeforeEvenMove
+      \h@even@player at (\h@coord) {\h@label};
+    \fi
+  }
+}
+%    \end{macrocode}
+%
+% The \cs{HStoneGroup}
+%    \begin{macrocode}
+\newcommand\HStoneGroup[2][]{%
+  \let\h@player\empty
+  \let\h@label\empty
+  \pgfqkeys{/h@stone@group}{#1}%
+  \ifx\h@player\empty
+    \errmessage{No color specified for HStoneGroup}
+  \fi
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \foreach \h@coord in {#2} {%
+    \HBeforeStone
+    \h@player at (\h@coord) {\h@label};
+  }%
+}
+%    \end{macrocode}
+%
+% The \cs{HHexGroup}
+%    \begin{macrocode}
+\newcommand\HHexGroup[2][]{%
+  \let\h@label\empty
+  \pgfqkeys{/h@hex@group}{#1}%
+  \foreach \h@coord in {#2} {%
+    \node at (\h@coord) {\h@label};
+    \h@draw@hex{\h@coord}%
+  }%
+}
+%    \end{macrocode}
+%
+% That's all, folks.
+%    \begin{macrocode}
+%</package>
+%    \end{macrocode}
+%
+% \Finale
diff --git a/Master/texmf-dist/source/latex/havannah/havannah.ins b/Master/texmf-dist/source/latex/havannah/havannah.ins
new file mode 100644
index 00000000000..c7d4dddce10
--- /dev/null
+++ b/Master/texmf-dist/source/latex/havannah/havannah.ins
@@ -0,0 +1,34 @@
+%%
+%% Copyright (C) 2012-2015 by Marcin Ciura
+%%
+%% This file may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.2 of this license or (at your option) any later
+%% version. The latest version of this license is in:
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% and version 1.2 or later is part of all distributions of
+%% LaTeX version 1999/12/01 or later.
+%%
+\input docstrip.tex
+\keepsilent
+\preamble
+
+This is a generated file.
+
+Copyright (C) 2012-2015 by Marcin Ciura
+
+This file may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.2 of this license or (at your option) any later
+version.  The latest version of this license is in:
+
+    http://www.latex-project.org/lppl.txt
+
+and version 1.2 or later is part of all distributions of
+LaTeX version 1999/12/01 or later.
+
+\endpreamble
+\generate{\file{havannah.sty}{\from{havannah.dtx}{package}}}
+\endbatchfile
diff --git a/Master/texmf-dist/tex/latex/havannah/havannah.sty b/Master/texmf-dist/tex/latex/havannah/havannah.sty
new file mode 100644
index 00000000000..7f3ab204848
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/havannah/havannah.sty
@@ -0,0 +1,396 @@
+%%
+%% This is file `havannah.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% havannah.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 2012-2015 by Marcin Ciura
+%% 
+%% This file may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.2 of this license or (at your option) any later
+%% version.  The latest version of this license is in:
+%% 
+%%     http://www.latex-project.org/lppl.txt
+%% 
+%% and version 1.2 or later is part of all distributions of
+%% LaTeX version 1999/12/01 or later.
+%% 
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{havannah}[2010/06/06 LaTeX havannah package]
+\RequirePackage{tikz}
+\newcommand\HLetterCoordinates{%
+  a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}
+\newcommand\HCoordinateStyle[1]{\sffamily#1}
+\newcommand\HMoveNumberStyle[1]{\sffamily#1}
+\newcommand\HDrawHex{\shadedraw[
+  shading=radial,inner color=gray!30,outer color=gray!70]}
+\newcommand\HWhiteStone{\node[
+  circle,draw=black,inner sep=0.6pt,fill=white,
+  minimum size=\HStoneDiameter]}
+\newcommand\HBlackStone{\node[
+  circle,draw=black,inner sep=0.6pt,fill=black,text=white,
+  minimum size=\HStoneDiameter]}
+\newcommand\HTransparentStone{\node[
+  circle,draw=black,inner sep=0.6pt,
+  minimum size=\HStoneDiameter]}
+\newcommand\HBeforeOddMove{}
+\newcommand\HBeforeEvenMove{}
+\newcommand\HBeforeStone{}
+\newcommand{\h@draw@hex}[1]{%
+  \HDrawHex (#1)
+    ++(-2\h@one@third@hex@wd,0)--
+    ++(\h@one@third@hex@wd,-\h@half@hex@ht)--
+    ++(2\h@one@third@hex@wd,0)--
+    ++(\h@one@third@hex@wd,\h@half@hex@ht)--
+    ++(-\h@one@third@hex@wd,\h@half@hex@ht)--
+    ++(-2\h@one@third@hex@wd,0)--
+    cycle;
+}
+\newif\ifh@numbered@moves
+\newif\ifh@show@coordinates
+\newif\ifh@show@hexes
+\pgfkeys{%
+  /h@havannah@board/.cd,
+  board size/.store in=\hv@board@size,
+  coordinate style/.is choice,
+  coordinate style/classical/.code={%
+    \def\h@draw@board{\h@draw@classical@board}},
+  coordinate style/little golem/.code={%
+    \def\h@draw@board{\h@draw@little@golem@board}},
+  hex height/.store in=\h@hex@height,
+  prefix/.store in=\h@prefix,
+  show coordinates/.is if=h@show@coordinates,
+  show hexes/.is if=h@show@hexes,
+  x/.store in=\h@xx,
+  y/.store in=\h@yy,
+  board size=10,
+  coordinate style=classical,
+  hex height=17.5pt,
+  prefix=,
+  show coordinates=true,
+  show hexes=true,
+  x=0,
+  y=0,
+  /h@hex@board/.cd,
+  top left color/.is choice,
+  top left color/white/.code={%
+    \def\h@top@left@color{\HWhiteStone}%
+    \def\h@bottom@left@color{\HBlackStone}%
+  },
+  top left color/black/.code={%
+    \def\h@top@left@color{\HBlackStone}%
+    \def\h@bottom@left@color{\HWhiteStone}%
+  },
+  board size/.store in=\hx@board@size,
+  hex height/.store in=\h@hex@height,
+  prefix/.store in=\h@prefix,
+  relative stone size/.store in=\h@relative@stone@size,
+  show coordinates/.is if=h@show@coordinates,
+  show hexes/.is if=h@show@hexes,
+  x/.store in=\h@xx,
+  y/.store in=\h@yy,
+  top left color=black,
+  board size=11,
+  hex height=17.5pt,
+  relative stone size=0.75,
+  show coordinates=true,
+  show hexes=true,
+  /h@game/.cd,
+  first move label/.store in=\h@first@move@label,
+  first player/.is choice,
+  first player/white/.code={%
+    \def\h@odd@player{\HWhiteStone}%
+    \def\h@even@player{\HBlackStone}%
+  },
+  first player/black/.code={%
+    \def\h@odd@player{\HBlackStone}%
+    \def\h@even@player{\HWhiteStone}%
+  },
+  numbered moves/.is if=h@numbered@moves,
+  relative stone size/.store in=\h@relative@stone@size,
+  first move label=1,
+  numbered moves=true,
+  relative stone size=0.75,
+  /h@stone@group/.cd,
+  color/.is choice,
+  color/white/.code={\def\h@player{\HWhiteStone}},
+  color/black/.code={\def\h@player{\HBlackStone}},
+  color/transparent/.code={\def\h@player{\HTransparentStone}},
+  label/.store in=\h@label,
+  relative stone size/.store in=\h@relative@stone@size,
+  relative stone size=0.75,
+  /h@hex@group/.cd,
+  label/.store in=\h@label,
+}
+\newcount\h@board@diagonal
+\newdimen\h@half@hex@ht
+\newdimen\h@one@third@hex@wd
+\newenvironment{InnerHavannahBoard}[1][]{%
+  \def\h@odd@player{\HWhiteStone}%
+  \def\h@even@player{\HBlackStone}%
+  \pgfqkeys{/h@havannah@board}{#1}%
+  \setlength\h@half@hex@ht{\h@hex@height}%
+  \divide\h@half@hex@ht by 2
+  \setlength\h@one@third@hex@wd{0.577350269\h@half@hex@ht}%
+  \h@board@diagonal=\hv@board@size
+  \multiply\h@board@diagonal by 2
+  \advance\h@board@diagonal by -1
+  \h@draw@board
+}
+{}
+\newenvironment{HavannahBoard}[1][]{%
+  \begin{tikzpicture}
+  \begin{InnerHavannahBoard}[#1,prefix=,x=0,y=0]
+}
+{ \end{InnerHavannahBoard}
+  \end{tikzpicture}
+}
+\newcount\h@l
+\newcount\h@a@corner
+\newcount\h@b@corner
+\newcommand\h@draw@classical@board{%
+  \h@l=0
+  \h@b@corner=\hv@board@size
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \h@board@diagonal
+      \breakforeach
+    \else
+      \global\advance\h@b@corner by 1
+      \h@a@corner=\hv@board@size
+      \foreach \h@n in {1,...,\h@board@diagonal} {%
+        \global\advance\h@a@corner by 1
+        \ifnum \h@l < \h@a@corner
+        \ifnum \h@n < \h@b@corner
+          \coordinate (\h@prefix\h@letter\h@n) at
+            (\h@xx+3*\h@n\h@one@third@hex@wd-3*\h@l\h@one@third@hex@wd,
+             \h@yy+\h@n\h@half@hex@ht+\h@l\h@half@hex@ht);
+          \ifh@show@hexes
+            \h@draw@hex{\h@prefix\h@letter\h@n}%
+          \fi
+        \fi
+        \fi
+      }%
+      \ifh@show@coordinates
+        \ifnum \h@l < \hv@board@size\relax
+          \node at
+            (\h@xx-3*\h@l\h@one@third@hex@wd,\h@yy+\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \else
+          \node at
+            (\h@xx-3*\hv@board@size\h@one@third@hex@wd,
+             \h@yy+2*\h@l\h@half@hex@ht-\hv@board@size\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \fi
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\h@board@diagonal} {%
+      \ifnum \h@n < \hv@board@size
+        \node at
+          (\h@xx+3*\h@n\h@one@third@hex@wd,\h@yy+\h@n\h@half@hex@ht)
+          {\HCoordinateStyle{\h@n}};
+      \else
+        \node at
+          (\h@xx+3*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+2*\h@n\h@half@hex@ht-\hv@board@size\h@half@hex@ht)
+          {\HCoordinateStyle{\h@n}};
+      \fi
+    }%
+  \fi
+}
+\newcommand\h@draw@little@golem@board{%
+  \h@a@corner=\hv@board@size
+  \h@b@corner=\hv@board@size
+  \multiply\h@b@corner by 3
+  \h@l=0
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \h@board@diagonal
+      \breakforeach
+    \else
+      \global\advance\h@a@corner by 1
+      \global\advance\h@b@corner by -1
+      \foreach \h@n in {1,...,\h@board@diagonal} {%
+        \ifnum \h@n < \h@a@corner
+        \ifnum \h@n < \h@b@corner
+          \ifnum \h@l < \hv@board@size
+            \coordinate (\h@prefix\h@letter\h@n) at
+              (\h@xx+3*\h@l\h@one@third@hex@wd,
+               \h@yy+2*\hv@board@size\h@half@hex@ht+
+               2*\h@n\h@half@hex@ht-\h@l\h@half@hex@ht);
+            \ifh@show@hexes
+              \h@draw@hex{\h@prefix\h@letter\h@n}%
+            \fi
+          \else
+            \coordinate (\h@prefix\h@letter\h@n) at
+              (\h@xx+3*\h@l\h@one@third@hex@wd,
+               \h@yy+2*\h@n\h@half@hex@ht+\h@l\h@half@hex@ht);
+            \ifh@show@hexes
+              \h@draw@hex{\h@prefix\h@letter\h@n}%
+            \fi
+          \fi
+        \fi
+        \fi
+      }
+      \ifh@show@coordinates
+        \ifnum \h@l < \hv@board@size
+          \node at
+            (\h@xx+3*\h@l\h@one@third@hex@wd,
+             \h@yy+2*\hv@board@size\h@half@hex@ht-\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \else
+          \node at
+            (\h@xx+3*\h@l\h@one@third@hex@wd,\h@yy+\h@l\h@half@hex@ht)
+            {\HCoordinateStyle{\h@letter}};
+        \fi
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\h@board@diagonal} {%
+      \ifnum \h@n < \hv@board@size
+        \node at
+          (\h@xx,
+           \h@yy+2*\h@n\h@half@hex@ht+
+           \h@board@diagonal\h@half@hex@ht+\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+        \node at
+          (\h@xx+3*\h@board@diagonal\h@one@third@hex@wd+
+           3*\h@one@third@hex@wd,
+           \h@yy+2*\h@n\h@half@hex@ht+
+           \h@board@diagonal\h@half@hex@ht+\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+      \else
+        \node at
+          (\h@xx+3*\h@n\h@one@third@hex@wd-
+           3*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+\h@n\h@half@hex@ht+3*\hv@board@size\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+        \node at
+          (\h@xx-3*\h@n\h@one@third@hex@wd+
+           9*\hv@board@size\h@one@third@hex@wd,
+           \h@yy+\h@n\h@half@hex@ht+3*\hv@board@size\h@half@hex@ht)
+           {\HCoordinateStyle{\h@n}};
+      \fi
+    }%
+  \fi
+}
+\newenvironment{InnerHexBoard}[1][]{%
+  \def\h@odd@player{\HBlackStone}%
+  \def\h@even@player{\HWhiteStone}%
+  \pgfqkeys{/h@hex@board}{#1}%
+  \tracingcommands=1
+  \setlength\h@half@hex@ht{\h@hex@height}%
+  \divide\h@half@hex@ht by 2
+  \setlength\h@one@third@hex@wd{0.577350269\h@half@hex@ht}%
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \h@l=0
+  \foreach \h@letter in \HLetterCoordinates {%
+    \global\advance\h@l by 1
+    \ifnum \h@l > \hx@board@size
+      \breakforeach
+    \else
+      \foreach \h@n in {1,...,\hx@board@size} {%
+        \coordinate (\h@letter\h@n) at
+          (3*\h@l\h@one@third@hex@wd+3*\h@n\h@one@third@hex@wd,
+           \h@l\h@half@hex@ht-\h@n\h@half@hex@ht);
+        \ifh@show@hexes
+          \h@draw@hex{\h@letter\h@n}%
+        \fi
+      }%
+      \coordinate (\h@letter) at
+        (3*\h@l\h@one@third@hex@wd,
+         2\h@half@hex@ht-2\h@half@hex@ht+\h@l\h@half@hex@ht);
+      \coordinate (-\h@letter) at
+        (3*\hx@board@size\h@one@third@hex@wd+
+         3\h@one@third@hex@wd+3*\h@l\h@one@third@hex@wd,
+         -\hx@board@size\h@half@hex@ht-
+         \h@half@hex@ht+\h@l\h@half@hex@ht);
+      \ifh@show@coordinates
+        \h@top@left@color at (\h@letter)
+          {\HCoordinateStyle{\h@letter}};
+        \h@top@left@color at (-\h@letter)
+          {\HCoordinateStyle{\h@letter}};
+      \fi
+    \fi
+  }%
+  \ifh@show@coordinates
+    \foreach \h@n in {1,...,\hx@board@size} {%
+      \coordinate (\h@n) at
+        (3*\h@n\h@one@third@hex@wd,-1*\h@n\h@half@hex@ht);
+      \coordinate (-\h@n) at
+        (3*\hx@board@size\h@one@third@hex@wd+3\h@one@third@hex@wd+
+         3*\h@n\h@one@third@hex@wd,
+         \hx@board@size\h@half@hex@ht+\h@half@hex@ht-\h@n\h@half@hex@ht);
+      \h@bottom@left@color at (\h@n)
+        {\HCoordinateStyle{\h@n}};
+      \h@bottom@left@color at (-\h@n)
+        {\HCoordinateStyle{\h@n}};
+    }%
+  \fi
+}
+{}
+\newenvironment{HexBoard}[1][]{%
+  \begin{tikzpicture}
+  \begin{InnerHexBoard}[#1,prefix=,x=0,y=0]
+}
+{ \end{InnerHexBoard}
+  \end{tikzpicture}
+}
+\newcount\h@move@number
+\newdimen\HStoneDiameter
+\newcommand\HGame[2][]{%
+  \pgfqkeys{/h@game}{#1}%
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \h@move@number=0
+  \ifh@numbered@moves
+    \def\h@label{\HMoveNumberStyle{\h@first@move@label}%
+      \global\def\h@label{\HMoveNumberStyle{\the\h@move@number}}}
+  \else
+    \def\h@label{}
+  \fi
+  \foreach \h@coord in {#2} {%
+    \global\advance\h@move@number by 1
+    \ifodd\h@move@number
+      \HBeforeOddMove
+      \h@odd@player at (\h@coord) {\h@label};
+    \else
+      \HBeforeEvenMove
+      \h@even@player at (\h@coord) {\h@label};
+    \fi
+  }
+}
+\newcommand\HStoneGroup[2][]{%
+  \let\h@player\empty
+  \let\h@label\empty
+  \pgfqkeys{/h@stone@group}{#1}%
+  \ifx\h@player\empty
+    \errmessage{No color specified for HStoneGroup}
+  \fi
+  \HStoneDiameter=\h@relative@stone@size\h@half@hex@ht
+  \multiply\HStoneDiameter by 2
+  \foreach \h@coord in {#2} {%
+    \HBeforeStone
+    \h@player at (\h@coord) {\h@label};
+  }%
+}
+\newcommand\HHexGroup[2][]{%
+  \let\h@label\empty
+  \pgfqkeys{/h@hex@group}{#1}%
+  \foreach \h@coord in {#2} {%
+    \node at (\h@coord) {\h@label};
+    \h@draw@hex{\h@coord}%
+  }%
+}
+\endinput
+%%
+%% End of file `havannah.sty'.