Sicilian Defense: Hyperaccelerated Pterodactyl

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

ECO B27

The Sicilian Defense: Hyperaccelerated Pterodactyl is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 g6 3.d4 Bg7.

It is catalogued under code B27 in the Encyclopaedia of Chess Openings (ECO).

The defining move Bg7 is chosen by Black on move 3.

One named continuation branches from this position: the Exchange Variation.

The Sicilian Defense: Hyperaccelerated Pterodactyl is a line of the Sicilian Defense. The Sicilian Defense is a chess opening that begins 1.e4 c5. Read the complete Sicilian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

Named variations

More ECO B27 openings

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Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.