Morteza Mahjoub

Morteza Mahjoob (born March 20, 1980) is an Iranian chess grandmaster. In 2005 his rating was 2442 and in 2016 his rating is 2354. In 2007 he became grandmaster.

In September 2005 he won, with the score 9.5 pts out of 11 games, the tournament for Iran's national championship.

Mahjoob previously held the world record for simultaneous exhibition, which he set on August 13, 2009. He walked 18 hours and won 397 of the games, 90 draws and 13 loses.