Small, minor suggestions:
- Replace "Kind" with "Type" for the column header for game types: R, F, T, D, P, 2, etc.
- Offer an option to toggle between R/F/T/D/2 with the spelled out types Rated, Free, Teaching, Demo, Private, Rengo, etc.
It's minor, but the single letters R and F could be easily mixed up in a very long column.
Sample 1:

