Fischer's victory earned him the right to challenge reigning champion Spassky for the title.
Chelsea interim manager Guus Hiddink has challenged reigning Premier League Player of the Year to regain his "ego".
Andrew M. Greeley, the Roman Catholic priest and writer whose outpouring of sociological research, contemporary theology, sexually frank novels and newspaper columns challenged reigning assumptions about American Catholicism, was found dead on Thursday morning at his home in Chicago.
And things took on a whole new flavor in 1984, when Garry Kasparov challenged reigning champion Anatoly Karpov.
Given the way he has muzzled independent media and hobbled opponents, it looked as though nothing could challenge his reign.
For all the born-again zeal, the Stepford Wives-ish dedication to the fact that Aston is a hidden jewel, and the waxing lyrical about its size and facilities and sandwich courses, in other capacities Aston is unlikely to challenge the reign of the elite universities.
After I introduced myself, he asked if I would like to be the next contestant to challenge the reigning champ.
Unlike the general populace, they openly challenge the reigning powers that be and speak out early and passionately against injustice of various kinds".
Monster vessels from around the world will battle for the right to challenge the reigning champion, Oracle Team USA, during the September finals.
When it began in 1986, "The Oprah Winfrey Show" was an expansion of a local talk show called "AM Chicago" that had begun to challenge the reigning talk show host of that time, Phil Donahue, in Chicago ratings.
