Korchnoi wins against the French Korchnoi vs M Udovcic, 1967  (C05) French, Tarrasch, 31 moves, 1-0 Great attacking game! superb idea by Korchnoi Korchnoi vs Polugaevsky, 1977  (D47) Queen's Gambit Declined Semi-Slav, 43 moves, 1-0 Hiding behind the pawns Tal vs Korchnoi, 1958  (C18) French, Winawer, 35 moves, 0-1 Korchnoi wonderful endgame technique Korchnoi vs Karpov, 1978  (D35) Queen's Gambit Declined, 71 moves, 1-0 Good pawn sacrifice, and long initiative Spassky vs Korchnoi, 1977  (C18) French, Winawer, 40 moves, 0-1 Only victory against Kasparov Kasparov vs Korchnoi, 1983  (E12) Queen's Indian, 52 moves, 0-1 6 games