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
Moves1.e4 e5 2.Nf3 Nf6 ECOC42–C43 Named afterAlexander Petrov ParentKing's Knight Opening Synonyms Petroff Defence Petrov Defence Petrov's Game Russian Defence Russian Game
Petrov's Defence is a chess opening characterised by the following moves:
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).