Mahjong has become a competitive sport with several international championships. The World Mahjong Championship, organized by the World Mahjong Organization
(WMO), was first officially held in Chengdu, China in 2007. This event includes both individual and team competitions, with China consistently producing top winners1. Another notable event is the World Mahjong Sports Games, hosted by the Mahjong International League (MIL). The first edition took place in Sanya, China in 2015, featuring individual and team competitions under various rulesets. The World Series Of Mahjong is a privately sponsored tournament that began in 2007, offering significant prize money and attracting players from around the globe.