English chess composer born in Jamaica, the author of a row of volumes of chess problems. He has published more than 300 problems since 1880 and was awarded with 200 distinctions, including 45 first prizes (it was a record achievement for the end of the 19th century). He was the author of the two- and

Czechoslovakian chess composer, he has become famous for his three- and four-mover problems. One of the leaderleaders of the New-Czech Composition School. His problems were collected in the book “Zdenĕk Mach” published by I. Mikan (1975).

The most famous American composer. He improved upon the ideas of his contemporaries and contributed many ideas of his own. He composed quickly and often did not bother to polish his work; but his problems, designed for the solver, always contained some pointed and original idea. More than any other composer he made problems popular

French Grandmaster for Chess Compositions (2004). Columnist for the magazine Pheonix. He composed problems of all kinds: from mate in 3 cyclical movers to Ideal Mate. He is specializes in a cooperative checkmate genre.

Soviet chess composer. International Grandmaster (1972) and International Judge (1956) in chess compositions. Mathematician. Since 1928 Loshinsky published about 500 compositions of various genres. He was awarded gold and bronze medals by FIDE in 1958-60 in three-move compositions; in 1960-62 he was awarded silver medals in three-movers competition. Fourteen times he won USSR championships in

English player and composer specialized in artistic game studies with 70 compositions. He published in 1938 with M.A. Sutherland 1234 Modern-End Game Studies and in 1975, 1357 End-Game Studies (1935-1973). These two books have become the reference in game studies. He was awarded the titles of International Judge and International Master respectively in 1958 and

Romanian composer awarded with the title of International Judge for Chess Composition in 1956. He was specialized mainly in heterodox problems: Helpmates, Reflex-mates. He composed about 1200 problems. He replaced G. Leon Martin as responsible for retrograde analysis section in Europe- Echecs in 1963.

Russian composer, Grandmaster for Chess Compositions (1993), He is specialized in all problem genres with an equal success. Excellent connoisseur of the problem mechanisms.

English composer born in 1937, a specialist in mate in two moves. He is an International Master for Chess composition since 1976. Author of Introduction to an Art in 1963 with Matthews and Rice and in 1966, he wrote The Two move Chess Problem with Rice and Barnes.

Swedish composer Grandmaster for Chess Composition (1980). Son of Lindgren Frithiof, born in 1927. He is the author of more than 500 chess problems of all kinds. He was first awarded the title of Master and later International Judge for Chess Composition respectively in 1965 and 1966. In 1978, he wrote Maskrosor, a book containing