And to answer the OP: The Christmas Movie test. Does someone get a XMas present against long odds? If yes, then yes it is a Christmas movie.
Chiefs 2016 Opponents:
Home: JAX, TEN, NO, TB, NYJ. Away: HOU, IND, ATL, CAR, PIT
Chiefs 2017 Opponents:
Home: BUF, MIA, PHI, WSH, AFC North. Away: NE, NYJ, NYG, DAL, AFC South