Format
The format for the 2006 tournament split the 12 participating nations into four pools of three teams. Each nation played three games, after the completion of which a re-seeding process took place. Nations were moved into divisions dictated by their respective overall tournament ranking with the top teams proceeding to the knockout stages. The 2010 event maintained the number of teams participating at twelve, with regional qualifying tournaments. In previous tournaments teams were selected by the IRB based on international performances as opposed to qualification via regional tournaments.
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