Board size 14 18 24 32 40 48 56 68 80

Black's main plans Bobocov - Petrosian Lugano 1968 Furman - Klovan Y Moscow 1964 Botvinnik Mikhail (RUS) - Geller Efim P (RUS) Moscow 1956 Botvinnik Mikhail (RUS) - Larsen B Nordwijk 1965 Trifunovic - Pirc Soltshaboden 1948 Polugaevsky Lev (RUS) - Spassky Boris V (FRA) Leningrad 1963 Timman J - Karpov Anatoly (RUS) Bugojno 1978 Hulak - Spassky Boris V (FRA) Toluka 1982 Petrosian - Ilivitsky Moscow 1964 Tukmakov Vladimir B (UKR) - Ivanov A URS 1978