Will Ruslan Ponomariov become the First Teenage Champ?

FIDE - International Chess Federation - Did you know that only 7 players have been rated #1 in the world (standard chess) since the FIDE rating list was first published in July

FIDE Chess Rating Inflation

The Sonas Rating Formula – Better than Elo?

Carlsen, Caruana Top Rating List Before World Championship

Anatoly Yevgenyevich Karpov, World Chess Champion, Grandmaster

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

Kasparov Thought For 83 MINUTES After Karpov's SHOCKING 9th Move 😱 - Remote Chess Academy

Why has Karpov's chess rating gotten to 2600? - Quora

Anatoly Karpov: Road to the World Chess Championship

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