· Botvinnik - World Champion 1948-57, 1958-60 and 1961-1963, Ludek Pachman & Helmut Pfleger)...
5
· Botvinnik - World Champion 1948-57, 1958-60 and 1961-1963, Ludek Pachman & Helmut Pfleger) which was much travelled - Denmark, Ireland & Germany (among