Chess double grandmasters

Albéric Joseph Rodolphe Marie Robert Ghislain O'Kelly de Galway (17 May 1911, Anderlecht – 3 October 1980, Brussels) was a Belgian chess Grandmaster (1956), and an International Correspondence Chess Grandmaster (1962), the third ICCF World Champion in correspondence chess (1959–1962).

Lothar Maximilian Lorenz Schmid (10 May 1928 – 18 May 2013) was a German chess grandmaster.

Jonny Hector (born 13 February 1964) is a Swedish chess grandmaster.

László Bárczay (21 February 1936 – 7 April 2016) was a Hungarian chess Grandmaster.

Aivars Gipslis (February 8, 1937 – April 13, 2000) was a Latvian chess FIDE Grandmaster and also an ICCF Grandmaster, and a chess writer and editor.

Jānis Klovāns (April 9, 1935 – October 5, 2010) was a Latvian chess Grandmaster.

John Denis Martin Nunn (born 25 April 1955 in London) is an English chess grandmaster, a three-time world champion in chess problem solving, a chess writer and publisher, and a mathematician.

Viacheslav Vasilyevich Ragozin (Russian: Вячеслав Васильевич Рагозин, 8 October 1908 – 11 March 1962) was a Soviet chess Grandmaster, an International Arbiter of chess, and a World Correspondence Chess Champion.

Ulf Andersson (born 27 June 1951 in Västerås, Sweden) is a leading Swedish chess player.

Kacper Piorun (born 24 November 1991) is a Polish chess grandmaster and a four-time world champion in chess problem solving.

Duncan Suttles (born 21 December 1945) is a Grandmaster (chess) of chess who was the strongest Canadian player between the eras of Abe Yanofsky and Kevin Spraggett.

Curt Hansen (born September 18, 1964 in Bov, Sønderjylland) is a Danish chess Grandmaster and a former World Junior Champion.

Andrew Jonathan Mestel (born 13 March 1957 in Cambridge, England) is Professor of Applied Mathematics at Imperial College London.

Igor Zakharovich Bondarevsky (Игорь Захарович Бондаревский) (May 12, 1913, Rostov-on-the-Don, Russia – June 14, 1979, Pyatigorsk) was a Soviet Russian chess Grandmaster in both over-the-board and correspondence chess, an International Arbiter, trainer, and chess author.

Rafael Duailibe Leitão (born 1979, in São Luís, Maranhão) is a Brazilian chess grandmaster.

Mikhail Semyonovich Tseitlin (Russian: Михаил Семенович Цейтлин; German: Michael Zeitlein; born 16 June 1947, in Babruysk) is a Belarusian chess Grandmaster, now resident in Germany.

Andrey Selivanov (Russian: Андрей Владимирович Селиванов; born July 9, 1967) is a Soviet and Russian politician and chess problemist.

Marjan Kovačević (* 8 April 1957) is a Serbian chess problemist.