Multiselect in Interactive Dashboard

I would like to compare 2 or 3 records

Status Open
1 3 112
3 Comments
Marc_Dillon
Platinum 1
Platinum 1

This is easily achievable with a custom filter table, a quick edit-detail view, and 2 slices looking at the filter table.

Ethan_Hildebran
Silver 1
Silver 1

@Marc_Dillon I'd love some more detail on how to achieve this.

dbaum
Gold 4
Gold 4