Siegbert Tarrasch (March 5, 1862 - February 17, 1934) was one of the strongest chess players of the late 19th century. He took Wilhelm Steinitz's ideas (control of the center, bishop pair, space advantage) to a higher level of refinement. He wrote several books, including Die moderne Schachpartie and Three hundred chess games.
He was a great target of the hypermodern school, led by Richard Réti, Aron Nimzovitch and Savielly Tartakower who considered his ideas dogmatic.
A number of chess openings are named after Tarrasch, with the most notable being:
