<prompt> Pedzisa mutsara unotevera: Aitken akadzidza chess kubva kuna baba vake pazera remakore 10. Akanga ari mukwikwidzi weScotland muna 1935, 1952, 1953, 1955, 1956, 1957, 1958, 1960, 1961 uye 1965, wekupedzisira pamwe chete naPM Jamieson. Akanga ariwo London Champion muna 1950. Muna 1959 akawana mugumisiro wake wakanakisisa muBritish Championship, achipedza akabatanidzwa panzvimbo yechinomwe. Aitken akamirira Scotland mumakwikwi mana eOlympics. Akatamba bhodhi yepamusoro kuStockholm 1937, achiwana 32.4 chete asi akakunda GM weSweden Gideon Ståhlberg uye akafananidza neAmerican GM Samuel Reshevsky. Akatamba bhodhi rechipiri pa  <response>: Munich 1958 uye Tel Aviv 1964, vachiwana 67.6 uye 28.1 zvichiteerana. Aitken akatamba bhodhi rechitanhatu kuSkopje 1972, achiwana 38.9. 