Complex sentence: Adolf Albin (14 September 1848--1 February 1920) was a Romanian chess player, mostly known for the countergambit that bears his name, and also for the first chess book written in Romanian.
Split into simpler sentences: Adolf Albin (14 September 1848--1 February 1920) was a Romanian chess player. He is best known for the countergambit that bears his name and for the authoring the first chess book written in Romanian.