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
俄罗斯防御，又稱彼得罗夫防御，是國際象棋開局開放性開局的一種，走法為：1.e4 e5 2.Nf3 Nf6
Abstract from DBpedia / Wikipedia · CC BY-SA
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).