Jan 1969.pdf · WORLD CHAMP Tigran Petrosian (USSR) , b. 1929, International Grandmaster. World...
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Jan 1969.pdf · WORLD CHAMP Tigran Petrosian (USSR) , b. 1929, International Grandmaster. World Champion since 1963 when he defeated Botvinnik 12å-9i. An enigmatic figure, his unspectacular