<prompt> Kamilisha sentensi ifuatayo:  <response>: Chess Olympiad huko Buenos Aires 1939, alikaa nchini Argentina hadi 1948, ambapo alishinda mashindano mengi, baadhi yao katika ushindani na Miguel Najdorf: Mar del Plata 1941 mbele ya Najdorf na Erich Eliskases, Buenos Aires 1941 kushikamana na Najdorf, Buenos Aires 1947 mbele ya Najdorf, Eliskases na Max Euwe. 