fantasy yahoo sports configuration question: how to change playoff period to end 1 week earlier?

[theGlove]

HI All, in football yahoo fantasy sports, is there a way to end the playoffs 1 week earlier, but still have 3 rounds? Ie, current playoff on weeks 14,15,16, want to change playoff period to 13,14,15.
want to do this to avoid the last week where teams dont play their star players.

 

[Garet Jax]

You almost have to do that for 2 weeks, but I don't know how.