Makhachkala, April 29, 2019. A 11th grade pupil of the Republican multi-disciplinary boarding school for the gifted children Abdulkadyr Buchayev became the winner in final stage of the All-Russian Olympiad in mathematics among schoolchildren. Noteworthy, this was the second time when Abdulkadyr Buchaev takes the leading positions in Olympiads. The republican agency congratulates Abdulkadyr on his achievement and wishes him to make more progress in the study. Special thanks to his teachers and mentors from the “Nadezhda Center” and the teacher-coach Alexander Semenov.