B27
Modern Defense: Pterodactyl Variation
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5
The Modern Defense: Pterodactyl Variation is a chess opening classified under ECO code B27. It is reached after the moves 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5.
It belongs to the Modern 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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