Boris Spassky vs Tigran V Petrosian World Championship Match (1969)

Top 10 Chess Players with Highest IQs - ChessEasy

What is Bobby Fischer IQ - American Chess Grandmaster

THE MONDAY EVENING CLUB: Dynasty: The brilliance of Bobby Fischer

BBC NEWS, Europe

Fischer's Greatest Chess Endgame Spassky vs Fischer 1972

Mikhail Tal vs Boris Spassky

Which famous chess player had low IQ? - Quora

Was Boris Spassky punished by the Soviet government for losing to Bobby Fischer? In general, were Soviet athletes punished when they lost to Western athletes? - Quora

What was Bobby Fischer's mental illness? - Quora

The Fischer vs. Spassky 1972 chessboard soon coming up for auction. Estimates are for a sale around £100,000 for this historical board. Under or over valued? How much would you pay? : r/chess