Chess IM vs GM International Master vs Grandmaster

What exactly is the difference between a Chess IM, a GM International Master, and a Grandmaster?

How Kevin Used ChessMood Openings to Become a GM

A Grandmaster in the making: In conversation with IM Harshit Raja

Chess Schools of Thought - 3 DVDs

Can Anyone Be An IM Or GM?

How do I get a Chess Title (Grandmaster, IM, etc)? - Chess.com

How To Become A Chess Grandmaster

Chess Titles - Chess Terms

Petition · Lichess must accept Master titles (non-FIDE) ·

Emory Tate: chess savant, warrior (1958-2015) - The Chess Drum

1000gm

Divya Deshmukh becomes Woman Grand Master

How do I get a Chess Title (Grandmaster, IM, etc)? - Chess.com