14 birthdays, 4 matches, tournaments and games and 6 deaths from chess history on October 27.

20215 years ago today
FIDE Grand Swiss Tournament 2021 began
Won by Alireza Firouzja
Card photo: Stefan64, CC BY-SA 3.0, via Wikimedia Commons
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Matches, tournaments and games
- 19731973 USSR Chess ChampionshipEnded · won by Boris Spassky
- 2016Russian Chess Championship 2016Ended · won by Alexander Riazantsev
- 2021FIDE Grand Swiss Tournament 2021Began · won by Alireza Firouzja
- 2021FIDE Women's Grand Swiss Tournament 2021Began · won by Lei Tingjie
Born on October 27
- 1867Kārlis BētiņšLatvian chess player
- 1890George PageScottish chess player
- 1907Isaias PleciArgentine chess player
- 1908Leonids DreibergsLatvian-American chess player
- 1908James Macrae AitkenScottish chess player
- 1927Juan Enrique LiraChilean photographer and sportsperson
- 1928Miroslav FilipCzech chess player
- 1942Janusz Korwin-MikkePolish far-right politician and publicist
- 1961Carlos Antonio Reyes NájeraGuatemalan chess player
- 1966Dibyendu BaruaIndian chess player
- 1967Irina PerevertkinaRussian Women ICCF Grandmaster
- 1972Andrei ShchekachevSoviet chess player
- 1972Tatiana BaklanovaChess player
- 1993Nazí PaikidzeRussian-born Georgian-American chess player
Died on October 27
- 1847Alexandre DeschapellesFrench chess player
- 1936Clarence HowellAmerican chess player
- 1981Lucijs EndzelinsLatvian-Australian chess player
- 1993Nils BergkvistSwedish chess player
- 2007Waltraud NowarraGerman chess player
- 2017Velimir KalandadzeGeorgian chess composer
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.