Education
In 1941 Aleksander Arulaid graduated from secondary school in Tallinn and in 1951 graduated from Tallinn Polytechnical Institute in electrical machinery and apparatus specialty.
In 1941 Aleksander Arulaid graduated from secondary school in Tallinn and in 1951 graduated from Tallinn Polytechnical Institute in electrical machinery and apparatus specialty.
From 1952 to 1984 he worked as an engineer in industrial projects. In 1944/45 Aleksander Arulaid ranked third in the Estonian and Latvian strongest players tournament in Riga after Paul Keres and Alexander Koblencs. After World World War II he was one of the leading chess players in Estonia.
In 1948 he was second in Baku tournament.
He three times played in Soviet Chess Championships semifinals (1949, 1955, 1964) and five times played for Estonia in Soviet Team Chess Championships (1953, 1955, 1959, 1960, 1967).
In 1945 Arulaid won tournament in Tallinn. In Estonian Chess Championships he has won 3 gold (1948, 1955, 1964), 3 silver (1943, 1946, 1950) and 3 bronze (1944, 1959, 1960) medals. Arulaid was winner of Tallinn Chess Championships in 1953, 1954, 1955, 1957, 1960, 1968. In 1954 and 1967 he twice won traditional National Tournament in Pärnu.