Huge chess world upset of grandmaster Magnus Carlsen sparks wild

lt;p>Hans Niemann, 19, of San Francisco, Calif. caused a major upset when he defeated the Norwegian grandmaster Magnus Carlsen, 31, at the Sinquefield Cup in St. Louis, Missouri on Sept. 4.</p>

Chess grandmaster Magnus Carlsen wins his sixth World Blitz Championship, securing third Triple Crown

L'affaire Niemann

Huge chess world upset of grandmaster Magnus Carlsen sparks wild claims of cheating — with vibrating sex toy

Magnus Carlsen stunningly quits chess game in protest against Hans Niemann

Chess Champion Magnus Rage Quits, Reigniting Cheating Drama

L'affaire Niemann

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Magnus Carlsen Controls World Chess Championship After Two Wins - The New York Times