Editing Adolf Anderssen (section)

==Background and early life==
Anderssen was born in [[Wrocław|Breslau]] (now called [[Wrocław]], Poland), in the [[Kingdom of Prussia|Prussian]] [[Province of Silesia]], in 1818. He lived there for most of his life, sharing a house with and supporting his widowed mother and his unmarried sister. Anderssen never married. He graduated from the public [[Gymnasium (school)|gymnasium]] (high school) in [[Wrocław|Breslau]] and then attended university, where he studied mathematics and philosophy. After graduating in 1847 at the age of 29, he took a position at the [[Friedrichs-Gymnasium (Breslau)|Friedrichs-Gymnasium]] in Breslau as an instructor and later as professor of Mathematics. Anderssen lived a quiet, stable, responsible, respectable middle-class life. His career was teaching [[mathematics]], while his hobby and passion was playing chess.<ref name="WallProfileAnderssen" />

When Anderssen was nine years old, his father taught him how to play chess.<ref name="Fine1952WorldsGreatChessGames" /> Anderssen said that as a boy, he learned the strategy of the game from a copy of [[William Lewis (chess player)|William Lewis]]' book ''Fifty Games Between [[Louis-Charles Mahé de La Bourdonnais|Labourdonnais]] and [[Alexander McDonnell (chess player)|McDonnell]]'' (1835).<ref name="batgirlAnderssen" />