A Bulgarian grandmaster appears to have broken the world record for the highest number of chess games played simultaneously, organizers said Monday.

Bulgaria has demanded compensation from Russian natural gas supplier Gazprom for losses owing to the near two-week cutoff.

Bulgaria’s prime minister says gas rationing has been lifted and the country will seek compensation for losses due to the two-week halt in Russian natural gas deliveries.

Greece has started pumping natural gas to Bulgaria amid the European energy crisis caused by the halt of natural gas supplies from Russia.

Bulgaria’s economy minister says he’s seeking emergency assistance from neighbors Greece and Turkey amid the European energy crisis caused by the cutoff of natural gas supplies from Russia.

Bulgarians have held a rally outside parliament for the second day to demand that their government resign because of alleged corruption and a deepening economic crisis.

An anti-government demonstration in Sofia turned violent Wednesday, with protesters clashing with police and hurling stones and bottles at the Parliament building.

Bulgaria could begin running out of its last natural gas reserves at the end of January if the dispute between Ukraine and Russia drags on, the country’s prime minister has warned.

Bulgaria’s energy ministry says Russian gas supplies to Bulgaria, Turkey, Greece and Macedonia have been suspended.

Germany’s RWE AG signed a deal with Bulgaria’s state-owned NEK power utility on Friday to become a strategic investor in the country’s second nuclear plant.