Go Champion Retires, Says AI “Cannot Be Defeated”

“Even if I become number one, there is an entity that cannot be defeated.” Those are ominous, and quite frankly, chilling words from former Go Champion, Lee Se-dol. After mastering one of the most mentally-challenging games in the world, Se-dol admitted that DeepMind, the AI-powered opponent built to learn Alpha Go, cannot be defeated by us humans.