<prompt> Jón Guðmundsson 1904  1980 shima bikke chessbe lardǝ Icelandbe wo, sau yakkǝlan Iceland Chess Championship lan kǝnasartǝ 1932, 1936, 1937, Chess Olympiad lan kam fallan medal wurazǝna  <response>: 1939 lan bowotǝna. 