- US women's champion hits out at "religious and sexist discrimination"
- The player is boycotting the world championship in Tehran, Iran
(CNN)Some of the world's top female chess players are upset that the next world championship will be held in Iran, where players are expected to wear head scarves.
The US women's champion, Nazi Paikidze-Barnes, will not be taking part in the event in Tehran next February due to her concern over the issue.
Meanwhile former Pan American champion Carla Heredia -- who did not qualify for the Tehran tournament -- also called for the 64 women who are playing there to protest against the hijab rule.
"Iran has hosted chess tournaments before and women were always forced to wear a hijab," Paikidze-Barnes told CNN. "We don't see this event being any different, forced hijab is the country's law."
This, she said, is "religious and sexist discrimination."
She added: "If the venue of the championship is not changed, I will not be participating. I am deeply upset by this. I feel privileged to have qualified to represent the US at the Women's World Chess Championship and to not be able to due to religious, sexist, and political issues is very disappointing."
A world sport issue
Meanwhile Heredia, originally from Ecuador and now living in Texas, said: "This is not only about 64 players, this is a world issue, a women's rights issue. That's why I'm speaking up. Sports should be free of this type of discrimination."
She said she hoped Iran would agree for women to play without hijabs without fear of punishment.