15 birthdays, 3 matches, tournaments and games and 3 deaths from chess history on April 9.

196660 years ago today
World Chess Championship 1966 began
Won by Tigran Petrosian
Card photo: Rob Mieremet / Anefo, CC0, via Wikimedia Commons
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Matches, tournaments and games
- 1950Candidates Tournament 1950Began
- 1966World Chess Championship 1966Began · won by Tigran Petrosian
- 2019Gashimov Memorial 2019Ended
Born on April 9
- 1873Reginald Pryce MichellBritish chess player
- 1890Norman T. WhitakerAmerican chess player
- 1903Morris SchapiroAmerican investment banker and chess player
- 1921Stojan PucSlovenian chess player
- 1925Efim RukhlisUkrainian chess composer
- 1929Fiorentino PalmiottoItalian chess player
- 1935Jānis KlovānsLatvian chess player
- 1956Bjarke SahlNorwegian chess player
- 1965Sergey ZagrebelnyUzbekistani chess player
- 1977Tatiana BerlinBelarusian chess player
- 1979Gert SchniderAustrian chess player
- 1981José Fernando CubasParaguayan chess player
- 1989Kiran Manisha MohantyIndian chess player
- 1994Mona KhaledChess player
- 2003Awonder LiangAmerican chess player
Died on April 9
- 1919Emil SchalloppGerman chess player
- 1977Yosef DobkinIsraeli chess player
- 1997Josefa GurfinkelUSSR and Russian chess player
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.