%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 10-1-11 on page 677.
%% 
%%  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{267.83385pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{skak}
\tinyboard
\StopShownPreambleCommands
\begin{document}
\fenboard{r1bq1rk1/2p1bppp%
  /p2p1n2/np1Pp3/4P3/2P2N1P%
  /PPB2PP1/R1BQRNK1 w - - 0 1}
\showonly{B,N,b,n}%
             \showboard \quad
             \showboard \quad
\showall     \showboard

\showallbut{B,N,b,n}%
             \showboard \quad
% strange behavior:
\showallbut{}\showboard \quad
  \showonly{}\showboard

\end{document}