This kedger is the world champion of chessboxing!

Chessboxing World Championship Berlin 2008 Part 1

Ludwig Announces Mogul Chessboxing Championship, Hambleton Vs. Trent Headlines

World Chess Boxing Championships - 1 of 2

Ludwig Announces Mogul Chessboxing Championship, Hambleton Vs. Trent Headlines

2008 July 21, TIME Magazine, Mandela at 90, (MH515)

World Chess Championship: Magnus Carlsen triumphs after mammoth final as Armageddon endgame loomed, The Independent

World Chess Championship - Wikipedia

Mogul Chessboxing Championship Ad

Coolest s**t I've ever done - Ludwig thanks the community following the epic Mogul Chessboxing Championship

World chess champion won't defend title because he 'does not particularly like it

World Chess Championship Kicks Off With V.I.P. Treatment - The New York Times

Is Chess Doomed by Artificial Intelligence?, by Amaury Aubrée-Dauchez

Chess & Bridge: London Chess Centre

Chess boxing: Magnus Carlsen vs Hikaru Nakamura