Viktor Korchnoi plays chess against Karpov. News Photo - Getty Images

Karpov-Korchnoi: 40 years after

10 reasons the '78 Karpov – Korchnoi chess match was weirdest ever

Viktor Korchnoi in his game for the World Chess Championship in 1981 against Anatoly Karpov. He wore reflective glasses in an attempt to psych out his opponent. [1200x675] : r/HistoryPorn

Closing Gambit: 1978 Korchnoi versus Karpov and the Kremlin (2018) - IMDb

The World Chess Championship: Korchnoi vs. Karpov

Chess grandmaster Viktor Korchnoi dies at 85 - ESPN

Campeonato Mundial de Xadrez de 1981 – Wikipédia, a enciclopédia livre

Viktor Korchnoi vs Anatoly Karpov (1978) Halvin' Can Wait

Match / Karpov-korchnoi (campeonato Mundial de Ajedrez 1978)

Anatoly Karpov vs Viktor Korchnoi (1978) Spanish Class