Thanks for your flags, I’ve been using them in my chess project.
I will check your game soon and I'm happy to hear they have been useful! I'm planning an update, any suggestion?
You could unify the naming conventions. Some of them are usa while some of them are unitedkingdom while some of them are british_virgin_island.
usa
unitedkingdom
british_virgin_island
You are right, I'll do that.