Tõnu Õim

Tõnu Õim
CountrySoviet Union
Estonia
Born (1941-06-16) 16 June 1941
Raasiku, Estonia
Title
ICCF World Champion1977–1983
1994–1999
FIDE rating2330 (July 2023)
Peak rating2410 (July 1994)
ICCF rating2581 (April 2005)
ICCF peak rating2617 (April 2000)

Tõnu Õim (born 16 June 1941) is an Estonian grandmaster of correspondence chess, most famous for being the first to have won the ICCF World Championship twice, in 1983 and 1999. In 1991 he won the Axelson Memorial. In over-the-board play, he was awarded the Soviet Master title in 1966. He does not hold a FIDE title for over-the-board play; however, his peak FIDE rating of 2410 indicates a player of International Master strength.