Lev Polugaevsky - Wikiwand

Lev Abramovich Polugaevsky was a Soviet chess player. He was awarded the title of International Grandmaster by FIDE in 1962 and was a frequent contender for the World Championship, although he never achieved that title. He was one of the strongest players in the world from the early 1960s until the late 1980s, as well as a distinguished author and opening theorist whose contributions in this field remain important to the present day.

Vlastimil Hort - Wikiwand

1958 USSR Chess Championship - Wikiwand

Classical World Chess Championship 1995 - Wikiwand

1960 USSR Chess Championship - Wikiwand

Tata Steel Chess Tournament - Wikiwand

Efim Geller - Alchetron, The Free Social Encyclopedia

World Chess Championship 1978 - Wikiwand

Anatoly Karpov - Wikiwand

Milan Matulović - Wikiwand

Viktor Korchnoi - Wikiwand

Bobby Fischer - Wikiwand

First-move advantage in chess - Wikiwand

Borislav Ivkov - Wikiwand

Tata Steel Chess Tournament - Wikiwand