13 birthdays, 5 matches, tournaments and games and 6 deaths from chess history on October 4.
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Matches, tournaments and games
- 19201920 USSR Chess ChampionshipBegan · won by Alexander Alekhine
- 201039th Chess OlympiadEnded
- 2010Women's Chess Olympiad 2010Ended
- 2019Chess World Cup 2019Ended · won by Teimour Radjabov
- 2021chess at the 2021 Pekan Olahraga NasionalBegan
Born on October 4
- 1840Viktor KnorreAstronomer
- 1894Frans G. BengtssonSwedish writer
- 1907Bjørn NielsenDanish chess player
- 1924Jacques PlanteFrench film producer and chess player
- 1938Zvonko VranesicCanadian chess player and professor of computer engineering
- 1947Elena FatalibekovaRussian chess player
- 1947Alexandru SegalBrazilian chess player
- 1950Nicolas GiffardFrench chess player
- 1951Sverre HeimNorwegian physician and professor
- 1965Tatiana ShumiakinaRussian chess player
- 1977Bartłomiej MaciejaPolish chess player
- 1999Miguel Santos RuizSpanish chess player
- 2003Svitlana DemchenkoCanadian chess player
Died on October 4
- 1896Philipp HirschfeldGerman chess player
- 1939Ludvig CollijnChess author
- 1947Hans Gebhard-ElsaßGerman composer
- 1972Kenneth HarknessAmerican chess player
- 1982Lev AroninChess player
- 2015John MolesEnglish university lecturer
Dates from Wikidata (CC0). Photos from Wikimedia Commons, credited on each card. Dates can differ between sources, especially before 1918 when Russia used the old calendar.
