Someone with the intermediate International Chess Title
Title established and awarded by FIDE, often abbreviated IM. An IM is a stronger player than a FIDE Master, but not as strong as an International Grandmaster, and usually has an Elo rating of at least 2400.
The title International Master is awarded to outstanding chess players by the world chess organization FIDE. The title is open to both men and women. Instituted in 1950, it is a lifetime title, in chess literature usually abbreviated as IM.