Main aspects of divination
The Chief palace engender Kai Men or Kai Men control The Chief palace, lucky formation.
The Chief palace control Kai Men or Kai Men engender The Chief, unlucky formation.
The Chief and Kai Men is located in the same palace, the luckiest formation.
Kai Men is controlled by The Chief: not a good formation, indicate superior is biased, not fair.
Kai Men is controlling The Chief: good formation, the person being assessed has strong ability and good results.
Source: 奇門遁甲:卜卦解碼精撰, 占卜篇, Page 20