National Commissioners Invitational Tournament ended in 1975.
Newport Casino Invitational ended in 1967.
Eastern Open Invitational ended in 1962.
Caribe Hilton Invitational ended in 1972.
St. Petersburg Open Invitational ended in 1964.
Board of Navy Commissioners ended in 1842.
Tilburg chess tournament ended in 1998.
If you are referring to the 2011 Masters Tournament that took place at Augusta National Golf Club, It was played from April 7th, 2011 until April 10th, 2011.
AIAW Women's Basketball Tournament ended in 1982.
World Professional Basketball Tournament ended in 1948.
Carolinas International Tennis Tournament ended in 1977.
Monte Carlo chess tournament ended in 1969.
IBM international chess tournament ended in 1981.