18th Chess Olympiad
th chess olympiad italian le º olimpiadi degli scacchi organized fide comprising open team tournament well several event designed promote game chess took place october november lugano switzerland soviet team six gm led world champion petrosian lived expectation ninth consecutive gold medal yugoslavia bulgaria taking silver bronze respectively total team entered competition divided seven preliminary group seven eight team top two group advanced final team placed thirdfourth final b final c rest final preliminary headtohead result carried final team met preliminary group final played roundrobin tournament result follows group group group group group group group match played semifinal italicized match played semifinal italicized match played semifinal italicized match played semifinal italicized board tigran petrosian ½ board georgi tringov board viktor korchnoi board shimon kagan ½ st reserve glicerio badilles ½ nd reserve vassily smyslov th chess olympiad lugano olimpbase