Oh, it would be easy enough to detect such integration. And I don't think the presence of some kind of hybrid-brain human would destroy these cerebral sports. After all, we still have track and field events, even though Wile E. Coyote pioneered the use of rocket-propelled roller skates over 70 years ago.

 

All we have to do is say, "No outside help of any kind, including the use of computers or AI," with forfeiture of any prize money as the deterrent. An added soupcon of flavor would be to make the fraudster civilly liable.