Speedcubing is an international game that has no boundaries. The mature players can participate in regular world and local contests. There is no age or gender limit for the competitors - anyone can participate in the championships. There has been established the speed cubes Association, which holds various speedcubing competitions. The first championship was held in 1982 in Budapest. Nowadays, it takes the true masters only several seconds to solve the Cube puzzle. The top three champions in 2011 according to the WCA are Feliks Zemdegs from Australia, Mats Valk from the Netherlands, and Nipat Charoenpholphant from Thailand.
The 4x4 rubiks cube comprises 24 centre pieces, 24 edge pieces, and 8 corners. It has 7.4x10*45 positions and there are no fixed centres in its structure. Mats Valk (the Netherlands) is a holder of a world record (30.02 sec.) set in 2011.
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