Chessgender, also known as Chessfluid or Patternfluid, is a genderfluid identity for when one's gender fluctuates in certain patterns. These patters can fluctuate as well. The fluidity is patterned by weeks months, years etc. It only fluctuates between two genders at a time until it switches to another pattern the next day, week, month, year, etc.
For example, one's gender may fluctuate from male to agender, male to agender, agender to demigirl, agender to demigirl, demigirl to bigender, demigirl to bigender, etc.