Chessmetrics Ratings: June 30, 1956

World Chess Champions (According to Rating) - Remote Chess Academy

Boris Spassky, Biography & Facts

When Boris Spassky was captured by the Fischer king - The New European

The Match of All Time

is Boris Spassky too underrated? - Chess Forums

Monthly Lists: 1968 - 1971

64: A Chess Podcast on X: Spassky is very underrated. He will be remembered forever as the loser of the 1972 World Chess Championship, but in many respects he was Magnus before

Fischer–Spassky (1992 Match)

Boris Spassky: The 10th World Chess Champion - The Shortest and Longest Win and Lost

Chessmetrics Ratings: 20th Birthday