Korchnoi vs R Bogdanovic, 1969 (E62) King's Indian, Fianchetto, 35 moves, 1-0 Korchnoi vs V Bukal Sr, 1969 (E63) King's Indian, Fianchetto, Panno Variation, 56 moves, 1-0 Pseudo-KID (small center). Central Pawn Advances Korchnoi vs J Diez del Corral, 1969  (E62) King's Indian, Fianchetto, 24 moves, 1-0 3 games