From time to time, special Tournaments of Champions have been played. In 2002, the show held a Million Dollar Masters tournament. This was a two-week tournament where the winner won $1,000,000. It was taped at Radio City Music Hall in New York City. In 2005, the show held an Ultimate Tournament of Champions. It was a 15-week tournament with 145 players. The two players who made it to the finals would play against Ken Jennings for $2,000,000. In 2014, the show held a Battle of the Decades to commemorate the show's 30th anniversary. It was a 5-week tournament featuring 45 players; the field of contestants was broken up into three decades. The first three weeks featured players from their respective decades. Five winners from each decade advanced to the quarterfinals to compete for a $1,000,000 grand prize.