It was obviously invented in Daguerreo by bored bookish types trying to have some fun during study hall, and it blew up when the pseudo-intellectuals from Treno caught wind of it and appropriated it for themselves, to appear more erudite. From then on, it became a thinly veiled dick-waving competition among the elite, who raised generation after generation of preadolescent competitive leagues all vying to become international grandmasters.