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Lev Polugaevsky vs Viktor Korchnoi - Korchnoi - Polugaevsky Candidates Semifinal 1980.08.20 - Audible Chess
Lev Polugaevsky vs Viktor KorchnoiKorchnoi - Polugaevsky Candidates Semifinal Buenos Aires ARG round 14 1980.08.20English Opening: Symmetrical Variation, Fianchetto Variation 0-1https://www.chessgames.com/perl/chessgame?gid=1112359
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