The shoulder hit that changed the room.
In the second game of the 2016 AlphaGo–Lee Sedol match, AlphaGo placed its 37th move on the fifth line — a “shoulder hit” so unusual that professional commentators first treated it as strange, even mistaken.
Lee Sedol paused for an unusually long time. The move was not optimized to look human. It was optimized to win.
Ancient gameGo becomes a laboratory for intuition: simple rules, astronomical possibility.
March 2016AlphaGo defeats Lee Sedol 4–1, proving machine learning could master pattern worlds once reserved for human judgment.
Move 37A move “most professional players would not have considered” becomes a symbol for creative non-human insight.
AftermathGo players study AI lines. Human creativity expands by learning from the alien teacher.