styleA is missing a space

[u-fischer]

\documentclass{article}
\usepackage{xskak}
\xskaknewstyleitem[%
 whiteopen=.,
 blackopen=. -,
 beforewhite=\space,
 %afterblack=\space, %<<<missing
 beforeblack={,\space}]{styleA}

\begin{document}
\xskakset{style=styleA}
\newchessgame
\mainline{1. e4 c5 2. Nf3 d6}
\end{document}