A40

Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5

The Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl 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 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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