span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">class</span></span> <span class="symbol"><a href="ChessEngine.html" title=""><span class="name">ChessEngine</span></a><span class="result"> extends <a href="../Base/GameEngine.html" name="Base.GameEngine" id="Base.GameEngine" class="extype">GameEngine</a></span></span></li><li class="indented0 " name="Chess.ChessEstimator" group="Ungrouped" fullComment="no" data-isabs="false" visbl="pub"><a id="ChessEstimatorextendsAnyRef" c