[1] Illés was part of the Újpest FC's first "golden era" helping the club win the Coupe des Nations 1930 and three championships.

[3] In 1939 he moved to Gragjanski Skopje, the top Macedonian club at the time, which played in the regional Serbian League, which served as a qualifier for the final stage of the Yugoslav national championship.

In the 1942 season Spitz managed to take Macedonia Skopje club to the league final, where they lost to Levski Sofia in October that year.

In March 1943, Spitz was arrested by Bulgarian authorities and because of his Jewish descent was put on a train to Treblinka extermination camp in eastern Poland.

In 1960, he returned to Skopje to coach the city's new top-flight team, FK Vardar, and it was in the dressing room, after a league match, that he suddenly died from a heart attack on 1 October 1961.