A40

Pterodactyl Defense: Fianchetto, Queen Pteranodon

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5

The Pterodactyl Defense: Fianchetto, Queen Pteranodon is a chess opening classified under ECO code A40. It is reached after the moves 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5.

It belongs to the Pterodactyl Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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