You either play chess, or you box. You don't do both. Right? Nope. This thing here is a real sport. They combined playing chess and punching each other's lights out. This chess boxing match lasts 4 minutes.

4 minutes to play chess.

2 minutes to box.

The hybrid sport combines the strategic mind skills of chess and the brutal punching of boxing.

They will face off in 11 alternating rounds.

6 rounds of chess and 5 of boxing.

Started by Dutch artist Iepe Rubingh, it features opponents fight an entire boxing match before sitting down to play the board game.

Sounds fun?