World Chess Champions

Wilhelm Steinitz

Period: 1886 to 1894

1st official world chamption

Emmanuel Lasker

Period: 1894 to 1921

http://www.chessgames.com/perl/chessplayer?pid=19149

Bobby Fischer

Period: 1972 to 1975

American chess prodigy and world champion from 1972-1975.

Bobby Fischer beats Boris Spassky

Sep 1, 1972

See (https://en.wikipedia.org/wiki/World_Chess_Championship_1972)

Garry Kasparov

Period: 1985 to 1993

Magnus Carlsen

Period: 2013 to 2018

Current world champion (https://magnuscarlsen.com/)