On This Day: May 9

Johann Behting 1856
Gosta Stoltz 1904
Reinhard Cherubim 1906
Emil Gherman 1931
Mikhail Zinar 1951
Zdenek Libis 1954
Daniel Fernandez 1985
Dmitri Petrov 1987
Petro Golubka 1989


1958: Botvinnik defeats Smyslov to regain world championship