Karpov-Kasparov: Grudge Match in Valencia

ELO ratings: Variations in time - Woochess-Let's chess

January 1989 Rating List : r/chess

How I know Kasparov was good. : r/chess

Chessmetrics Player Profile: Garry Kasparov

International Chess Federation on X: 1990: Garry Kasparov reaches a 2800 rating and remains World Champion, Hungary wins Women's Olympiad again, IOC grants recognition to FIDE as an International Organisation & Smoking

Kasparov was a beast, but people forget Karpov too quickly. Rating July 1989. See the distance #2 - #3 . A bit of love for Karpov too! : r/chess

Garry Kasparov

Garry Kasparov player profile

Kasparov for Buffs (Chess Players for by Tsvetkov, Lyudmil

Is Magnus Carlsen the greatest chess player ever? Not according to chess24's Hall of Fame