I not really sure how to read this? Let me do a Matchmaker Breakdown.
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Random Battles:
You can learn about Random Battle Matchmaker by watching this video: https://www.youtube.com/watch?v=r7PmOMVLgsE
Brawls:
The matchmaker is concerned with "# of Wins" in the current Brawl sprint. So a player with a 10-0 record could be matched with a player which has a 10-10 record. The 10 wins is the main point of comparison.
Ship Nation/Type is not factored. One team could be 3 battleships while the other is 3 cruisers. The ship makeup is quite random and will follow the constraint of the brawl (Tier requirement, maybe it's a 3v3 but max 2 Battleships for a team, etc...)
Ranked:
Ranked is Random Matchmaker. It matches Tier and Type, and should balance out...
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