Also known as Petroff's defence, Russian game, 1. e4 e5 2. Nf3 Nf6, Petroff Defence, Petrov's Game, Russian Defence, Petrov Defence
chess opening, consisting of the moves 1. e4 e5 2. Nf3 Nf6
via Wikidata · CC0
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).