Dear friends, It is less than three weeks left till the 39th IChO starts. ... Currency and cards. Russian rouble is the only currency accepted throughout Russia. ... To attention of Head mentors intending to pay fees on arrival in cash: payments will be accepted in Russian roubles only. ... During the IChO, mentors and guests will stay in Holiday Inn Sokolniki, and students in the Olympian camp, which is also an option for early arrivals and late departures. ... The 39th IChO Organizing Committee ...