Don’t start playing if you’ve got anything important to do today. Or tomorrow.

[Filliam H. Muffman]

Wags wrote:
What's a Yomi and how do you get them?

I skimmed through a blog on it. I think in this instance a yomi is a result from running a game theory simulation.
forums.sirlingames.com/t/strategy-guide-game-theory-fundamentals-of-yomi/650

You apply operation cycles to the Tournament block of the page and run the simulation.