Appendix
JikaidaThe smallest form of Jikaida, known as Poron Jikaida, is here described. I should like to acknowledge the advice and interest of John Gollon of Geneva in the preparation of these rules for publication. I must also thank my son for his enthusiasm and expertise in playing Jikaida. He has helped to clarify game situations and contributed to the strategical shape of Poron Jikaida. As a matter of convenience the terminology of terrestrial chess is used when practical.
The board consists of six drins, arranged two by three, each drin containing thirty-six squares, arranged six by six. The dividing line between drins is called a front and is painted in more heavily than the other lines to facilitate demarcation.
The squares are almost always either black and white or blue and y
