Fritz af Geijerstam 1890
Helmut Lenhart 1919
Robert Brieger 1925
Dmitry Banny 1932
Dolfi Drimer 1934
Peteris Keirans 1947
Waldemar Mazul 1953
Zoltan Siklosi 1955
Frank Fiedler 1957
Antonio Fernandes 1962
Sebastien Luce 1963
Reinhard Zaiser 1964
Gerhard Schroll 1966
Vitaly Halberstadt 1967
1978: Karpov defeats Korchnoi to retain world championship title
2004: Kramnik defeats Leko to retain world championship title
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