Nikola Spiridonov
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Nikola Spiridonov was a Bulgarian chess player, who was awarded the title of grandmaster by FIDE in 1979. He was the Bulgarian national champion in 1969. Wikipedia
Born: February 28, 1938, Pleven, Bulgaria
Died: March 13, 2021 (age 83 years)
Peak rating: 2490 (January 1976)