José Gerschman
Gerschman also tied for 9-10th in the Buenos Aires 1939 chess tournament ( "Círculo" , Paul Keres and Miguel Najdorf won ) , and took 7th at Buenos Aires 1963 ( YMCA , Oscar Panno won ) . 
<triplet> Buenos Aires 1939 chess tournament <subj> 1939 <obj> point in time