ECO B27

Sicilian Defense: Hyperaccelerated Pterodactyl

Sicilian Defense: Hyperaccelerated Pterodactyl is a chess opening classified under ECO B27. Its defining line here is 1. e4 c5 2. Nf3 g6 3. d4 Bg7.

Sicilian Defense: Hyperaccelerated Pterodactyl — board position

1. e4 c5 2. Nf3 g6 3. d4 Bg7

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

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