Tournaments are small, but widely anticipated, several rounds which is open to the public.
Much like a regular battle, except with an audience, an official referee and (if you win) a prize and a Cup Coin.
As a prize, you can win a range of different things!
e.g. from a new Blaster, to a state-of-the-art, not-in-the-market-yet, Brand new AlphaBot!!!
a Cup Coin is like a golden ticket. If you win at least two of these coins, then you have an entry into the European Cup!