Algimantas Butnorius, Lithuanian chess Grandmaster (died 2017)

Algimantas Butnorius was a Lithuanian chess grandmaster and world seniors champion in 2007. From 2014 he represented Monaco.

Grandmaster (GM) is a title awarded to chess players by the world chess organization FIDE. Apart from World Champion, Grandmaster is the highest title a chess player can attain. Once achieved, the title is held for life, though on rare occasions the title can be revoked for cheating.