chassis

After watching some videos on grounds / return paths / shielding etc I came up with a design that I was wondering if someone could assist in assessing below simplified diagram with notes to see if it is a good grounding strategy also considering PCB EMI/EMC ?Simplified diagram attached.

Hi to all, I'm desigining a PCB with an Eurocard size that will be used in a subrack. The board is connected to a mother board internal to the subrack and have some connector on the frontal side. On the frontal side, the boards are covered by a metal front panel (chassis) that will be connected...