That means an IQ of at least 130.The event, the first of its kind in America, celebrated the group's 60th birthday and drew more that 2,000 people from more than 38 countries and all U.S. states except Wyoming.It also featured perhaps the most meticulously strategized, eagerly anticipated and sometimes awkwardly played event in the history of sort-of-organized sport: the Mensa dodgeball challenge.