chess opening 1. d4 Nf6 2. c4 g6 3. Nc3 d5
Moves1.d4 Nf6 2.c4 g6 3.Nc3 d5 ECOD70–D99 OriginBad Pistyan, Piešťany, 1922 Named afterErnst Grünfeld ParentKing's Indian Defence
The Grünfeld Defence is a chess opening characterised by the moves:
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).