The preliminary tournament started on 17 December 2009.

The preliminary tournament started on 5 August 2010.

Each player played five preliminary tournaments instead of six with players randomly drawn.

It comprises preliminary tournaments in six classes and one final.

A number of awards were announced following the preliminary tournament.

There is a preliminary tournament that decides the challenger.

The format was a 34-round preliminary tournament and a best-of-five final.

The preliminary tournament started on 8 April 2010.

Players can get into the round robin league by going through many preliminary tournaments.

The format starts with a preliminary tournament in which even amateur players are allowed to play.