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Pterodactyl Defense — opening family

33 catalogued lines · ECO A40–B27

🎓 Train this family

The shortest catalogued line of the family runs 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3 — the position below. The continuation chips count how many catalogued lines extend this head with each next move; explore the full tree below and play any branch against the engine.

Variations tree of the Pterodactyl Defense family

Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.

All 33 lines