Boris Spassky, Chess Wiki

Boris Spassky (born January 30, 1937) is a chess grandmaster and a former World Champion from Russia-France.

Efim Geller - Wikiwand

Chess - Citizendium

Boris Spassky Top Chess Players

1968 USSR Chess Championship - Wikiwand

Boris Spassky, Everything Chess Wiki

Clash of Champions: Karpov vs. Korchnoi

Boris Spassky Gratiaetnatura's Blog

Boris Spassky - Wikipedia

1972 Bobby Fischer vs. Boris Spassky World Chess Championship Used, Lot #82301

Russian chess players: Garry Kasparov, Anatoly Karpov, Vladimir Kramnik, Alexander Alekhine, Boris Spassky, Mikhail Botvinnik, Viktor Korchnoi

Bill Jordan - Chessprogramming wiki

Bobby Fischer, Troubled Genius of Chess, Dies at 64 - The New York Times

Chess and Chess960 Wiki - Tigran Petrosian