Here are all of our potential outcomes for your viewing pleasure. Scenarios A through M based on the outcomes of various combinations of games. The big numbers are our final seeding.
(Edit: Updated with a new graphic to show changes heading into Sunday on Week 16.)
There must be some weird tiebreakers that the models aren't able to calculate. The NYT gizmo says that Scenario B only goes to the Chargers if they beat the Ravens (so the Chiefs would have the tiebreaker instead of the Chargers). Apparently ESPN says the opposite. I'm not sure what it really comes down to.