RIF rating list is an official ranking system maintained by the Renju International Federation (RIF), to indicate the rankings of Renju players all over the world.
[1][2] The rating system was established in General Assembly 1995 of RIF.
The RIF rating list is usually updated daily.
[3] The ratings are maintained by the Qualification Commission of RIF.
[4] According to the qualification system of the World Renju Championship, all the players with at least 10 games with established players, and within the top-20 of the RIF rating list, have the tickets to take part in the qualification tournament of the World Renju Championship.