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Pterodactyl Defense — opening family

33 catalogued lines · ECO A40–B27

♞ View the head line Explore the full tree (33 lines) 🎓 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; any branch can be explored on the interactive tree and played against the engine from there.

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All 33 lines

NameECOMain line length
Pterodactyl Defense: Queen Pterodactyl, Quiet LineA407 plies
Pterodactyl Defense: Eastern, BenoniB067 plies
Pterodactyl Defense: Eastern, AnhangueraB067 plies
Pterodactyl Defense: Austrian, PteranodonB068 plies
Pterodactyl Defense: Central, Benoni PterodactylA408 plies
Pterodactyl Defense: Fianchetto, Queen Benoni PterodactylA408 plies
Pterodactyl Defense: Eastern, Benoni PterodactylB068 plies
Pterodactyl Defense: Western, PterodactylB278 plies
Pterodactyl Defense: Fianchetto, King PterodactylB068 plies
Pterodactyl Defense: Austrian, Austriadactylus WesternB068 plies
Pterodactyl Defense: Austrian, Grand Prix PterodactylB068 plies
Pterodactyl Defense: Fianchetto, Queen PterodactylA408 plies
Pterodactyl Defense: Western, AnhangueraB068 plies
Pterodactyl Defense: Eastern, RhamphorhynchusB068 plies
Pterodactyl Defense: Fianchetto, RhamphorhynchusB068 plies
Pterodactyl Defense: Western, RhamphorhynchusB278 plies
Pterodactyl Defense: Sicilian, Benoni GambitB279 plies
Pterodactyl Defense: Sicilian, SiroccopteryxB069 plies
Pterodactyl Defense: Sicilian, UnpinB279 plies
Pterodactyl Defense: Sicilian, AnhangueraB279 plies
Pterodactyl Defense: Central, Benoni QuetzalcoatlusB0610 plies
Pterodactyl Defense: Central, AnhangueraB0610 plies
Pterodactyl Defense: Sicilian, RhamphorhynchusB279 plies
Pterodactyl Defense: Central, BogoluboviaA4210 plies
Pterodactyl DefenseA4210 plies
Pterodactyl Defense: Sicilian, QuetzalcoatlusB0610 plies
Pterodactyl Defense: Central, Quetzalcoatlus GambitB0610 plies
Pterodactyl Defense: Fianchetto, Queen PteranodonA4010 plies
Pterodactyl Defense: Eastern, Benoni PteranodonB0610 plies
Pterodactyl Defense: Western, SiroccopteryxB0610 plies
Pterodactyl Defense: Eastern, PteranodonB0610 plies
Pterodactyl Defense: Central, Benoni Beefeater PterodactylA4012 plies
Pterodactyl Defense: Sicilian, PteranodonB2711 plies