ECO B06

Pterodactyl Defense: Western, Anhanguera

Pterodactyl Defense: Western, Anhanguera is a chess opening classified under ECO B06. Its defining line here is 1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Qa5+.

Pterodactyl Defense: Western, Anhanguera — board position

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 Qa5+

The diagram shows the position after 1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be3 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.