Transparent square with "X", default size 45x45
<ul><li><a href="//commons.wikimedia.org/wiki/File:Chess_xxl45.svg" title="File:Chess xxl45.svg">Chess_xxl45.svg</a>: <a href="https://en.wikipedia.org/wiki/User:Cburnett" class="extiw" title="en:User:Cburnett">en:User:Cburnett</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:NikNaks93" class="mw-redirect" title="User:NikNaks93">NikNaks93</a> (<a href="//commons.wikimedia.org/wiki/User_talk:NikNaks93" class="mw-redirect" title="User talk:NikNaks93"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Chess_xxl45.svg" title="File:Chess xxl45.svg">Chess_xxl45.svg</a></li></ul>