The Little Swan Snooker World Cup runs until Sunday, with 24 teams in Wuxi, China, chasing Belgium To Host Snooker's European Masters. World Ranking. The World Championship, sponsored by Betfred until , is snooker's most important event, and one of the highlights of the sporting calendar. For 17 days. The World Cup is an invitational snooker tournament created by Mike Watterson. The annual contests featured team of three players representing their country Country : China.