| Subject | English | Russian |
| school.sl. | class master | классный руководитель (klassnyi rukovoditel'), a teacher who is also the responsible organizer of a class group in general-education schools. The post was introduced into Soviet schools in the early 1930's. From The Great Soviet Encyclopedia 1979  thefreedictionary.com arturmoz) |
| chess.term. | first-class master | первоклассный мастер |