
The 1984 Soviet Chess Championship was the 51th edition of USSR Chess Championship. Held from 2-28 April 1984 in Lvov. The title was won by Andrei Sokolov. Semifinals took place in Volgodonsk, Irkutsk, Minsk and Nikolayev; The First League was held at Tallinn.

Dangerous Moves is a 1984 French-language film about chess, directed by Richard Dembo, produced by Arthur Cohn, starring Michel Piccoli, Alexandre Arbatt, as well as Liv Ullmann, Leslie Caron, and Bernhard Wicki in prominent supporting roles.

The Hoogovens Wijk aan Zee Steel Chess Tournament 1984 was the 46th edition of the Wijk aan Zee Chess Tournament. It was held in Wijk aan Zee in January 1984. The tournament was won by Alexander Beliavsky and Viktor Korchnoi.

The Hoogovens Wijk aan Zee Steel Chess Tournament 1985 was the 47th edition of the Wijk aan Zee Chess Tournament. It was held in Wijk aan Zee in January 1985. The tournament was won by Jan Timman.

New In Chess (NIC) is a chess magazine that appears eight times a year with chief editors International Grandmaster Jan Timman and Dirk Jan ten Geuzendam. It began publication in 1984 and contains notes by top players and chess prodigies about their own games. Typical contributions are from players such as Vladimir Kramnik, Viswanathan Anand, Péter Lékó, Judit Polgár, Magnus Carlsen, and Sergey Karjakin.

The Oxford Companion to Chess is a reference book on the game of chess, written by David Hooper and Kenneth Whyld. The book is written in an encyclopedia format. The book belongs to the Oxford Companions series.
Three-man chess is a chess variant for three players invented by George R. Dekle Sr. in 1984. The game is played on a hexagonal board comprising 96 quadrilateral cells. Each player controls a standard army of chess pieces.

The 1984 Women's World Chess Championship was won by Maia Chiburdanidze, who successfully defended her title against challenger Irina Levitina.

The World Chess Championship 1984 was a match between challenger Garry Kasparov and defending champion Anatoly Karpov in Moscow from 10 September 1984 to 15 February 1985 for the World Chess Championship title. After 5 months and 48 games, the match was abandoned in controversial circumstances with Karpov leading 5 wins to 3, and replayed in the World Chess Championship 1985.