Rudenko was a trailblazer for women in sport and remembered for saving children from the besieged city of Leningrad in World War II.
Soumya Swaminathan said Iranian modesty laws infringed on her "right to freedom of expression, and right to freedom of thought, conscience and religion."
The knight piece is one of a handful of medieval chess pieces found in the area.
Around 150 players are boycotting this year's chess championship.
Advisors are prepared to maneuver themselves into positions of power if Trump is impeached
Writing about the incident on Facebook, the girl's coach said his student felt "harassed and humiliated."
The brother and sister are now banned from the national team for contravening core Iranian principles.
Female players face being forced to cover up at next year's world championships in Iran.
The short answer is, 'Almost certainly not.'
Watch Hawking and Rudd in an online battle designed to explain the principles of quantum mechanics.
Mariya Muzychuk walks away with $60,000 in prize money from Sochi.