ECO A40

Pterodactyl Defense: Fianchetto, Queen Pterodactyl

Pterodactyl Defense: Fianchetto, Queen Pterodactyl is a chess opening classified under ECO A40. Its defining line here is 1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+.

1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+

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The diagram shows the position after 1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.