The Mystery of Chess Boxing - Rotten Tomatoes

Evil Chun Shan uses chess boxing and a five-element ninja style to terrorize the martial arts world until he is challenged in a series of battles, then destroyed.

Sean Ono Lennon and Peter Jackson Partner on Animated Film Inspired by John Lennon and Yoko Ono's “Happy Xmas (War Is Over)” (Exclusive)

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Mystery of Chess Boxing 雙馬連環 (1979) original trailer

Yi-min Li - Rotten Tomatoes

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Watch The Mystery of Chess Boxing

Cruel Will - Rotten Tomatoes

By Rook or Left Hook: The Story of Chessboxing - Rotten Tomatoes

So, apparently chess boxing is a thing : r/Damnthatsinteresting

By Rook or Left Hook: The Story of Chessboxing - Rotten Tomatoes