Maybe wearing Hijab for tourists, athletes and diplomats who travel to Iran for a couple of days seems fun and a change, and only for few days it is enjoyable, but this will help the suppression by Iranian government and wasting years of efforts by women activists fighting forced Hijab. I urge you not to be indifferent to the violations of the rights of millions of women including Iranians. Do not justify this suppression as cultural differences and respecting our culture,

Full text of open letter to Women's International Chess Federation here