The 26th
Chess Olympiad
The Chess Olympiad is a biennial chess tournament in which teams representing nations of the world compete. FIDE organises the tournament and selects the host nation. Amidst the COVID-19 pandemic, FIDE held an Online Chess Olympiad in FIDE Onli ...
(, ''I 26i Skakistikí Olympiáda''), organized by
FIDE
The International Chess Federation or World Chess Federation, commonly referred to by its French acronym FIDE ( , ), is an international organization based in Switzerland that connects the various national chess federations and acts as the Spor ...
and comprising an open
[Although commonly referred to as the ''men's division'', this section is open to both male and female players.] and a women's tournament, as well as several other events designed to promote the game of
chess
Chess is a board game for two players. It is an abstract strategy game that involves Perfect information, no hidden information and no elements of game of chance, chance. It is played on a square chessboard, board consisting of 64 squares arran ...
, took place between November 18 and December 5, 1984, in
Thessaloniki
Thessaloniki (; ), also known as Thessalonica (), Saloniki, Salonika, or Salonica (), is the second-largest city in Greece (with slightly over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area) and the capital cit ...
,
Greece
Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
.
In the home country of the Olympic movement, it was business as usual. The Soviet Union, led by Beliavsky, won their third consecutive gold medals (and 15th in total), well ahead of England (helped by a Nunn in top form) and the United States. This dominance happened even in the absence of Karpov and Kasparov who were in the midst of their
marathon match. In fact, for the first time in Olympic history, the Soviet team didn't feature a single world champion – past, present or future.
The only champion present in Thessaloniki was
Boris Spassky
Boris Vasilyevich Spassky (; January 30, 1937 – February 27, 2025) was a Russian chess grandmaster who was the tenth World Chess Champion, holding the title from 1969 to 1972. Spassky played three world championship matches: he lost to Tigra ...
who had defected and now represented France. His performance helped the French team to an unprecedented 7th-place finish, even though he drew 12 of his 14 games – an Olympic record.
After the successful 26th Olympiad in Thessaloniki in 1984, FIDE agreed to hold every other Olympiad (the ones in Olympic years) in the home country of the Olympic movement - provided the Greek Chess Federation and government could provide the necessary funding. This was only the case once, in 1986; after that the Olympiad went back to a new host city every two years.
Open event
There were 87 nations playing in a 14-round
Swiss system tournament
A Swiss-system tournament is a non-eliminating tournament format that features a fixed number of rounds of competition, but considerably fewer than for a round-robin tournament; thus each competitor (team or individual) does not play all the other ...
. To make for an even number of teams, the Greek hosts also fielded a "B" team. In the event of a draw, the tie-break was decided first by using the
Buchholz system
The Buchholz system (also spelled Buchholtz) is a ranking or scoring system developed by Bruno Buchholz (died 1958) in 1932, for Swiss system tournaments. It was originally developed as an auxiliary scoring method, but more recently it has been u ...
, then by match points.
:
:
Individual medals
For the first time, in addition to the performance awards on each board, a special award was given to the best overall
performance rating
The PR (performance rating, P-rating, or Pentium rating) system was a figure of merit developed by AMD, Cyrix, IBM Microelectronics and SGS-Thomson in the mid-1990s as a method of comparing their x86 processors to those of rival Intel. The idea ...
.
* Performance rating:
John Nunn
John Denis Martin Nunn (born 25 April 1955) is an English chess grandmaster, a three-time world champion in chess problem solving, a chess writer and publisher, and a mathematician. He is one of England's strongest chess players and was form ...
2868
* Board 1:
Craig Van Tilbury 9½ / 11 = 86.4%
* Board 2:
John Nunn
John Denis Martin Nunn (born 25 April 1955) is an English chess grandmaster, a three-time world champion in chess problem solving, a chess writer and publisher, and a mathematician. He is one of England's strongest chess players and was form ...
10 / 11 = 90.9%
* Board 3:
Rafael Vaganian
Rafael Artemovich Vaganian (, , ''Rafael Artemovich Vaganyan''; born 15 October 1951) is an Armenian chess player holding the title of grandmaster (GM). He was Soviet champion in 1989.
Chess career
Vaganian achieved his Grandmaster title in 1 ...
8½ / 10 = 85.0%
* Board 4:
Pricha Sinprayoon 8 / 10 = 80.0%
* 1st reserve:
Dewperkash Gajadin,
József Pintér,
Javier Ochoa de Echagüen
Francisco Javier Ochoa de Echagüen (; born 4 September 1954), is Basques origin Spain, Spanish chess FIDE titles, International Master (IM) (1981), Spanish Chess Championship medalist (1993), Chess Olympiad individual gold medalist (26th Chess O ...
, and
Jonathan Mestel
Andrew Jonathan Mestel (born 13 March 1957 in Cambridge, England) is a British mathematician and chess grandmaster. He holds the position of Professor of Applied Mathematics at Imperial College London. He worked on magnetohydrodynamics and biol ...
7 / 9 = 77.8%
* 2nd reserve:
Gorden Comben and
Marios Schinis 7½ / 10 = 75.0%
Women's event

50 nations took part, and with the Greek hosts also fielding a "B" side, the total number of teams came to 51. In the event of a draw, the tie-break was decided first by using the
Buchholz system
The Buchholz system (also spelled Buchholtz) is a ranking or scoring system developed by Bruno Buchholz (died 1958) in 1932, for Swiss system tournaments. It was originally developed as an auxiliary scoring method, but more recently it has been u ...
, then by match points.
Like the open event, the women's tournament was dominated by the Soviet Union, captained by world champion Chiburdanidze, who won the gold medals by an impressive 5½ points. Bulgaria and Romania took silver and bronze, respectively.
:
:
Individual medals
* Performance rating:
Lidia Semenova 2505
* Board 1:
Pia Cramling 10½ / 13 = 80.0%
* Board 2:
Céline Roos 9½ / 13 = 73.1%
* Board 3:
Jussara Chaves 9 / 10 = 90.0%
* Reserve:
Lidia Semenova 9½ / 10 = 95.0%
References
26th Chess Olympiad: Thessaloniki 1984OlimpBase
{{Chess Olympiads
26
Women's Chess Olympiads
Olympiad 26
Chess Olympiad 26
Olympiad 26
Chess Olympiad 26
20th century in Thessaloniki