PARIS, Jan. 22 (UPI) — The French Chess Federation has accused three of its players of cheating at the 2010 Chess Olympiad in Russia.

The federation said Friday grandmasters Sebastien Feller and Arnaud Hauchard and international master Cyril Marzolo cheated at the September 2010 event in Khanty-Mansiysk, Russia, but did not provide details of the alleged violations, The New York Times reported.

France ranks No. 3 in the world, and the 19-year-old Feller is the country’s No. 5 player. He was the only member of the French team to compete at the Olympiad, so the federation likely is accusing the other two of helping him in his performance, which earned him a gold medal as the competition’s top Board 5 player.

If the accusations are substantiated, Feller likely will forfeit the prize, the Times said.