Anatoly Karpov - Wikipedia, PDF, World Chess Championships

rating - Why have engines not increased top rated chess players' Elo? - Chess Stack Exchange

Comparing Fide Ratings Over Time – raskerino chess

Kasparov's Biggest Rating Gap Plotted : r/chess

1978-KARPOV-VS.-KORTCHNOI - Play Chess with Friends

Karpov - Korchnoi World Championship Match (1978) chess event

International Chess Federation on X: Magnus Carlsen is arguably the best player in the history of chess, with a peak classical rating of 2882 (the highest ever achieved). Do you want to

E-DVD Karpov Endgames - Chess Lecture - Volume 96

E-DVD - Karpov Endgames - Chess Lecture - Volume 96

Karpov v Miles, 1983

Karpov at 70: “My great blunder was I agreed to hold the match with Kasparov in the Soviet Union”