International Yo-Yo Federation (IYYF) is an international Yo-yo organization that promotes World Yo-Yo Contest and European Yo-Yo Championship and develops and promotes yo-yoing as a sport on a global level.
History The International Yo-Yo Federation (IYYF) was formed on February 8, 2013. World Yo-Yo Contest had been promoted by Greg Cohen since 2000. IYYF was formed to promote world Yo-Yo contest and other international competitions. The United States, the Czech Republic, Japan, and Brazil are the first national members to join the IYYF.
Executive board Ondrej Sedivy (Czech Yoyo Association) Hironori Mii (Japan Yo-Yo Federation) Rafael Matsunaga (Brazilian YoYo Association) Thad Winzenz (US National Yo-Yo League) Jan Kordovsky (Czech Yoyo Association)
Styles The 5 Divisions are 1A, 2A, 3A, 4A and 5A:
Single-handed String Double-handed Looping Double-handed String Off-string Counterweight
1A is the single unresponsive yoyo category, players are required to use only 1 unresponsive yoyo for their performance.
2A is the double responsive yoyo category, players are required to use 2 responsive yoyos for their performance. This is also known as the hardest yo-yoing style.
3A is the double unresponsive yoyo category, players are required to use 2 unresponsive yoyos for their performance.
4A is the off-string yoyo category, players are required to use a specially designed offstring yoyo for their performance, there are no limits to how many offstring yoyos you can use in the 4A category.
5A is the off-hand yoyo category, players are required to attach a special counter weight to a single unresponsive yoyo on the string for their performance.
Events World Yo-Yo Contest European Yo-Yo Championship Asia Pacific Yo-Yo Championships Latin American Yo-Yo Contest U.S. National Yo-Yo Contest
Winners List of yo-yo world champions
Nations Source:https://iyyf.org/member-organizations/
See also International Jugglers' Association World Juggling Federation International Sport Juggling Federation Sport juggling Sport stacking
References
External links International Yo-Yo Federation