Jon Ludvig Hammer vs Magnus Carlsen: English Opening (Norwegian Youth Ch) - YouTube
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Jon Ludvig Hammer | www.uschesschamps.com
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Another Day, Another Step for Nepo | US Chess.org
Jon Ludvig Hammer - Wikipedia
Norwegian Championship: Simen Agdestein wins eighth title
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Jon Ludvig Hammer on Twitter: ChessCom naming their new flagship tournament a World Championship is a big deal. Top players who compete for Fide's WC title has signed contracts saying they won't
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COVID-19 detected in the 2022 Candidates Tournament
Live Chess Ratings - 2700chess.com
Chess.com - Happy birthday to GM Jon Ludvig Hammer! 🎂🎁🎊... | Facebook
Rating analytics: Born in the same year – five-player teams
FIDE World Chess Championship 2023: Everything we know so far – Tasman Series