Complex sentence: His first meeting with marxist literature came in 1928 after winning a junior chess competition organised by the Barbers Trade Union, his prize was Friedrich Engel's "Anti-Dühring".
Split into simpler sentences: His first meeting with Marxist literature came in 1928 after he won a junior chess competition organised by the Barbers Trade Union. His prize was Friedrich Engel's "Anti-Dühring".