So when he discovered chessboxing he couldn't resist stepping into the ring.
That was a reference to 1979 kung fu flick Mystery of Chessboxing.
Tim is the founder of the World Chessboxing Association.
Tim, who also runs the London Chessboxing Association, was impressed by Karl.
Bloodied but not beaten, Karl Ouch during a chessboxing bout
A darts Grand Prix could become one of the great hybrid sports, replacing chessboxing
- yes, you guessed it, alternate rounds of chess and boxing - in the nation's affections.