"My guess is that AlphaGo’s success and alien playing style forced the humans to reconceptualize the game and abandon weak heuristics. This let them see possibilities that had been missed before."
My own guess is that the changes are more subtle. In certain situations, giving a slightly higher weight to the factors that favor move X over move Y than you used to.
After AI beat them, professional Go players got better and more creative
"My guess is that AlphaGo’s success and alien playing style forced the humans to reconceptualize the game and abandon weak heuristics. This let them see possibilities that had been missed before."
My own guess is that the changes are more subtle. In certain situations, giving a slightly higher weight to the factors that favor move X over move Y than you used to.