Dutch International Grandmaster for Chess Composition in 1972 and International Judge of Chess Composition in 1958. A building engineer by profession, he worked as a civil servant in the Ministry of Housing and Building. In the period 1957-70, he was the editor of the Dutch problem magazine Probleemblad. Author of articles on the question of

Famous Soviet chess composer of endgame studies. In 1934, he obtained the title of Composition Master of Sport of the USSR. The founder of the modern art of the chess endgame. During his student years, he met with famous chess enthusiasts including Chigorin who invited him to contribute studies for the chess column of Novoe Vremya.

German chess composer, International Master 1967, International Judge 1959 in Chess Compositions. He was the main editor of the chess magazine Schwalbe 1959-82 and the editor of the composition column of the Deutsche Schachzeitung. Author of books devoted to the chess miniatures, beginning with three pieces. Since 1929, he published about 1000 problems, mostly miniatures.

January USSR. E. Bykova with 11,5 points became the winner of the World Women’s Championship. Heemskerk shared the second place with Ignatieva USSR with 10,5 points. There followed Keller, Bylova and Zvorykina USSR with 10 points. East Germany. The East German Championship at Binz ended with a tie between Koch and Muller with 10 points

Soviet chess composer, International Master for Chess Compositions (1979). The editor of the chess column of the newspaper Baku. Since 1926, has published more than 100 etudes and 20 problems, 50 of them were marked with distinctions including ten first prizes. He died in 1986 at Baku.

Czechoslovakian problemist specialist in artistic studies. Internal Judge for Chess Compositions in 1956. He has composed 1000 studies and was author of Sachove Studie in 1941 and Kniha Sachovych Studiiin 1951.

Soviet Grandmaster for Chess Composition (1988). Worked a lot in the sphere of popular composition. Since 1959 has published more than 4.000 studies and 800 problems of different genres. participated in numerous contests and was marked with 550 distinctions including 230 prizes-70 of them first. Six times was the winner of Moscow championships in the

Soviet Chess Composers. Vasily was the editor of the studies column in the chess magazine ”Shakhmatnoe obozrenie” (1909-10), Chess 1922-29, 641925-32. Since 1903 has published more than 200 studies mostly together with his brother Mikhail. He performed very seldom at the contests, meanwhile was noted with 30 distinctions including 4 first prizes. The Platov brothers

Prominent Russian chess composer, Grandmaster for Chess Composition (2005), who has become famous for his study works. Journalist and columnist at the Russian magazine 64 (Moscow). He became twice World Champion being a member of the Soviet and Russian teams. (IV, VII WCCT), silver prizewinner of the World Championships in 1989-94 and 2001-2003. Selected studies

Spanish Problemist, author of approximately 330 problems, mostly 3 moves. He wrote the Manual de Ajedrez in 6 tomes (1913) and a book on the composer V. Marin: Un artista del Ajedrez (1913). After his death, he gave his collection of books (500 volumes) to the library of Barcelone.