9340tower-rush

If this system fails, the game becomes a frustrating, unplayable mess that bleeds players instantly.

While this conspiracy theory is widespread, the reality is much more mundane and focused entirely on mathematical fairness.
How You Are Ranked
The algorithm's primary goal is to match you against someone with the exact same—or very similar—trophy count.

If the system matches you perfectly, you should mathematically have a 50% chance of winning every single game you play.
If you are hovering around 50%, you are in the correct arena for your skill level.Queue times increase at the top of the ladder.Losing streaks are also self-correcting. Level-Based Matchmaking
The standard Elo system works perfectly for chess because all pieces are equal, but tower rush games feature upgradeable cards.

The system will try its best to match you with someone who has the same trophies AND a similar tower level.
Algorithm CheckImportance LevelTrophy CountAbsolute Highest PriorityUpgrade StatusSecondary Priority True Fairness
This is why all true esports tournaments and competitive challenges utilize the 'Tournament Standard' ruleset.

The algorithm is blind; it only respects victory.