Pirc
Pirc is a chess opening characterized by the moves 1. e4 d6 2. d4 Nf6 3. Nc3 g6. It is a hypermodern opening, meaning that Black allows White to establish a pawn center, intending to challenge it later with pieces. The name "Pirc" comes from the Yugoslavian chess master Vasja Pirc.
The Pirc Defense is a flexible system that can transpose into various other openings depending on White's
While not as popular as some other defenses, the Pirc remains a viable option at all levels