A diagram depicting the pieces and layout for the chess variant <i>jetan</i> which Edgar Rice Burroughs invented for his novel <i>The Chessmen of Mars</i>.
<a href="//commons.wikimedia.org/wiki/User:Ninjatacoshell" title="User:Ninjatacoshell">Ninjatacoshell</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>