%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 10-3-3 on page 692.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{231.83385pt}
\StartShownPreambleCommands
\usepackage{igo}
\StopShownPreambleCommands
\begin{document}
\white{o3,q2,q3,q4,r2,r5,r6,r7}
\black{p5,q5,r3,r4,s4,s5,t3}
\showgoban
\black[\igotriangle]{s2}
\white[\igosquare]{s1}
\gobansymbol{s3}{a}\gobansymbol{t4}{b}
\white[1]{t2,t1}
\showgoban
\end{document}