Yona Kosashvili
Israeli chess grandmaster
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Yona Kosashvili is an Israeli chess Grandmaster and surgeon. Wikipedia
Born: 1970 (age 53 years), Tbilisi, Georgia
Spouse: Sofia Polgar (m. 1999)
Education: Tel Aviv University and Ben Gurion University of the Negev
FIDE rating: 2531 (April 2024)
Peak rating: 2580 (July 1995)