On This Day: May 11

Emil Palkoska 1871
Johann Schneider 1905
Anatoly Ufimtsev 1914
Ludek Pachman 1924
Raymond Gevers 1954
Hans-Peter Reich 1967
Aleksey Aleksandrov 1973
Jozsef Tafferner 1997
Visvaldis Veders 1997
Jan Mortensen 2003

1951: Botvinnik draws Bronstein to retain world championship title
1997: IBM’s DeepBlue defeats Kasparov
2010: Anand defeats Topalov to retain world championship title