World Chess Champions.

TIGRAN PETROSIAN,Russia.The ninth World Champion(1963-1969)

BORIS SPASSKY,Russia.The tenth World Champion(1969-1972)

ANATOLY KARPOV,Russia.The twelveth World Champion(1975-1985,1993-1999)

ROBERT JAMES "BOBBY" FISCHER,USA.The eleventh World Champion(1972-1975)