In 2005, the primary Open European Mahjong Championship was played out in the Netherlands, and there were a total of 108 players. The event was won by Masato Chiba from Japan. The second European championship in Copenhagen(2007) had 136 players and was won by Danish player Martin Wedel Jacobsen.
The main Online European Mahjong Championship was played out on the Mahjong Time server in 2007, with 64 players, and the victor was Juliani Leo, from the U.S., and the top European Player was Gerda van Oorschot, from the Netherlands. The Third Open European Mahjong Championship 2009 at Baden/Vienna, Austria, was won by Japanese player Koji Idota, while the second position Bo Lang from Switzerland ended up European Champion. There were 152 members in total.
In 2006, the World Mahjong Organization (WMO) was established in Beijing, China, with the collaboration of the Japan Mahjong Organizing Committee (JMOC) and the European Mahjong Association (EMA) alongside several other authorities. This association held its first World Mahjong Championship in November 2007 in the Chinese town of Chengdu, played by 144 members from everywhere throughout the world. It was won by Li, a Chinese understudy at Tsinghua University. The following World Championship was held in Utrecht, the Netherlands, 27 to 29 August 2010.
The competition is pretty intense in America. American Mahjong competitions are held in essentially every express—the biggest is in Las Vegas, Nevada twice per year, and in Atlantic City, New Jersey, by MahJongg Madness; and the yearly journey facilitated by the National MahJongg League and MahJongg Madness (MJM). MJM competitions have in the vicinity of 150 and 500 members at these bigger occasions, and there is a good number of small-scale, however similarly enterprising competitions held every year by different hosts. Prize pools depend on the number taking an interest. Principles depend on the National MahJongg League standard guidelines.
Other significant global competitions incorporate the Mahjong International League’s World Mahjong Sports Games and the World Series OfMahjong.
There are numerous overseeing bodies which frequently have held tournaments and competitions for present day and customary Mahjong gaming.