{"data":{"slug":"alphago","etype":"model","name":"AlphaGo / AlphaZero","cat":"Historical","subtitle":"The 2016 win over Lee Sedol — deep RL's public arrival.","summary":"AlphaGo's 4–1 defeat of Go champion Lee Sedol in March 2016 was the moment deep learning captured public imagination; AlphaZero then learned Go, chess and shogi from self-play alone. The lineage ran on TPUs and taught the field the power of search plus learned evaluation — ideas that returned in today's reasoning models.","attrs":null,"kf":{"weights":"Closed","modality":"Games (RL)","rel_date":"2016-03","developer":"Google DeepMind"},"aliases":["AlphaZero","Lee Sedol match"],"ticker":null,"exchange":null,"hq":null,"founded":null,"website":null,"status":"Historical","region":null,"asof":"2026-01-15","sources":[{"url":"https://deepmind.google/research/projects/alphago/","label":"AlphaGo"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T07:37:55+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}