Mar del Plata chess tournament
…Svetozar Gligorić. Mar del Plata International Chess Tournament # Year Winner 1 1928 Roberto Grau (Argentina) 2 1934 Aaron Schwartzman (Argentina) 3 1936 Isaías Pleci (Argentina) 4 1941 Gideon Ståhlberg (Sweden) 5 1942 Miguel Najdorf (Argentina) 6 1943 Miguel Najdorf (Argentina) 7 1944 Hermann Pilnik (Argentina…