Board size 14 18 24 32 40 48 56 68 80

Szabo - Botvinnik, Budapest 1952 Korchnoi - Petrosian T., Moscow 1971 Taimanov - Geller, Moscow 1951 Bakulin - Dvoretzky M., Moscow 1974 Portisch L. - Kasparov, Moscow 1981 Karpov - Kasparov, Moscow 1985 Alekhin - Reti, Vienna 1922 Flohr - Capablanca, Moscow 1935 Thomas - Rubinstein, Baden 1925 Chiburdanidze - Agdestein, Hanninge 1988 Portisch L. - Petrosian T., San Antonio 1972 Geller - Euwe, Zurich 1953