Danish problemist and representative of the Old German School. Pastor. He has composed more than 3000 problems from which 200 got a prize. Author of 320 DANSKE SKAKOPGAVER SÆRLIG 1878–1902 (1902).

Macedonian Grandmaster for Chess Compositions (1996). He is  specialized in the genres of Helpmate and Selfmate. A bronze medalist at the World Championship of Chess Composition 2001-2003 section Selfmates and 2004-2006 sections Helpmates and Selfmates. He is the editor of the famous magazine “Orbit”.

American problemist who has composed 400 problems.

Polish problemist, International Judge for Chess Compositions (1967). Specialist for Selfmate in 2 and in 3 moves. He has composed 450 problems. Former chief editor of the magazine Problemista. Author of Polskie Samonaty (1991).

Swedish problemist. Chess journalist. He published 80 problems mostly three-movers. Author of Att lösa schackproblem (1990).

German Correspondence Grandmaster (1987), a banker. Winner of the 14th World Championship 3/4-Final 3 (12,5/14), Hans Werner von Massow Gedenkturnier 1996-2001 (10/14) 1st place: Bd.5 11.Olympiad Final (9/12), Bd.3 12.Olympiad Final (9/11). Co-author of “Gladiatoren ante Portas”.

French Grandmaster (1950), International Arbiter (1952) born in Ukraine. Bernstein graduated from the legal faculty of Berlin at the end of 1906 then became a doctor of law in Heidelberg. When he had lost his property in 1917 with the revolution, Bernstein together with his family escaped to Paris and became wealthy again which probably

Russian Grandmaster (1995). Retired from international chess since 2002. The author of: Modern Practice 1… Nc6 (1998), World Chess Championship Matches (2002) and an encyclopedia on Jewish chess players. Peak rating: 2555 in 2006.

Polish Grandmaster (2006). Polish U18 Vice Champion in 1995. Best results: Augustow Open (POL) 2004, 1st; Raciborz Open (POL) 2005, 1st; Polish championship 2006, 3rd; Ceska Trebova Open 2007, 1st-6th. A member of the national team in 2005. Peak rating: 2581 in 2008.