Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation

1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3+ 6.bxc3 Qxc3+

ECO B27

The Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3+ 6.bxc3 Qxc3+.

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

The defining move Qxc3+ is chosen by Black on move 6.

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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.