Great work thanks a lot for your work, I really love it!
If you get the country-specific ranks into the tool it will be perfect for keeping track of my games for AARs.
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One very minor thing I noticed...it took me something like half an hour until i figured out how to add a standalone battle. Finding the button was easy and it showed me all my savegames but the button to add it was always greyed out.
Of course i was too dumb to notice that I had to manually enter a name for the battle first...I somehow overlooked that field or at least didn't think it necessary.
Might be a good idea to fill this field with some default battle name to help users like me. So it would be possible to add the battle and in the worst case the user notices only then that he wants to use another name.