World Chess Championship 1985 - Wikipedia

Chessmetrics Ratings: December 27, 1999

Anatoly Karpov - Wikipedia

Estimated Rating - bug or by design? - Chess Forums

Alireza Firouzja has tied Bobby Fischer and may soon knock him out of the top 20 for highest ratings ever. : r/chess

Visualization of January FIDE ratings

First and Only Woman to Reach a Rating of 2700, Karpov vs Polgar

Maldives 2021 MNH Chess Stamps Anatoly Karpov Games Sports 1v Silver Foil S/S

VINCENTYU's Blog • Rating Variants out of 10 stars besides Standard •

International Chess Federation on X: 1989: Sofia Polgar achieves rating performance of 2900+ In February 1989, Sofia Polgar achieved the highest performance rating ever recorded by a female when she scored 8.5

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