* An ''open rated tournament'' (ORT) is open to anyone and is fully rated if there are at least 4 games / rounds.
** A tournament will be 1/3 -rated if there are only 3 games / rounds.* A ''capped open rated tournament'' (COT) is open to anyone but has an attendance limit of no more than 10, and is 1/3 -rated.
* A ''team challenge'' is restricted to members of specific clubs or residents of specific regions, and is fully rated.
* A ''championship'' is restricted to members of a specific club or residents of a specific region, and is fully rated.
* Tournaments with only 3 games
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Those exceptions will be 1/3 -rated, unless the tournament otherwise qualifies to be fully rated as a Team Challenge/Championship event.
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|rowspan=3|Geographic restrictions
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| How many games?
|colspan=2|At least 3 games. A 3-game tournament will be 1/3 -rated. To be fully rated, a tournament must have 4 or more games.
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| How many players?