/// alpha-beta 剪枝算法numalphaBetaSearch(ChessNode current){count++;if(current.childrenNode.isEmpty){returncurrent.value;}//该枝已被剪掉if(current.parentNode!=null&&!current.parentNode.childrenNode.contains(current)){ChessNode parent=current.parentNode;returnparent.type==ChildType.MAX?parent.minValu...