Chessmetrics Ratings: December 31, 1959

What was Bobby Fischer's rating per age from his first chess game to the time he retired? - Quora

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

E-BOOK Masters: Boris Spassky Master of Initiative (Masters

Monthly Lists: 1968 - 1971

Boris Spassky Vs Bobby Fischer (Pirc Defense) MATCH 17 - 1972 World Championship - DRAW

Chess: World Rating System Puts Fischer Ahead of Spassky - The New York Times

Spassky's 100 Best Games: The Rise of Boris Spassky, 1949 - 1971 (Hardinge Simpole Chess Classics S): Cafferty, Bernard, Barden, Leonard: 9781843820000: : Books

Chessmetrics Ratings: 20th Birthday

Pawn Sacrifice movie about Bobby Fischer: What's fact and what's fiction.

Bobby Fischer - Wikipedia