Kammala jumla mai zuwa: Johannes Hendrik Otto van den Bosch, Count van den Bosch (12 ga Afrilu 1906, The Hague <unk> 15 ga Nuwamba 1994, Hilversum) ya kasance mai daraja, lauya, mai banki da kuma chess master. Ya wakilci Netherlands sau uku a gasar Olympics ta Chess, ciki har da
2nd Chess Olympiad a Hague a 1928, 3rd Chess Olympiad a Hamburg a 1930, da kuma 4th Chess Olympiad a Prague a 1931.