Tunç Hamarat (born December 1, 1946) is a Turkish chess player[1] living in Austria and the sixteenth ICCF World Champion, 1999–2004.
Hamarat was deadly on the black side of the Sicilian Sveshnikov, beating former CC World Champion Horst Rittner of Germany and Greek International Master Spyros Kofidis with it.
At one time, Hamarat was supposed not to have lost a single game as White in over 40 years.
However, this retroactively ceased to be the case, as correspondence chess games date from their year of initiation, and Hamarat eventually lost games playing with the white pieces against Edgar Prang (started in 2001) and Hans Marcus Elwert (started in 2002), though he apparently resigned these only after he became World Champion in January 2004.
The Austrian mail authority issued a personified postage stamp with his picture in his honor.